Critical Thinking – Bug Bounty Podcast

Episode 98: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner sits down with Sharon,to discuss his journey from early iOS development to leading a research team at Claroty. They address the differences between HackerOne and Pwn2Own, and talk through some intricacies of IoT security, and some less common IoT attack surfaces.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker: Check out Network Control!

https://www.criticalthinkingpodcast.io/tl-nc

And AssetNote: Check out their ASMR board (no not that kind!)

https://assetnote.io/asmr

Today’s Guest: https://sharonbrizinov.com/

Resources

The Claroty Research Team

https://claroty.com/team82

Pwntools

https://github.com/Gallopsled/pwntools

Scan My SMS

http://scanmysms.com

Gotta Catch 'Em All: Phishing, Smishing, and the birth of ScanMySMS

https://www.youtube.com/watch?v=EhNsXXbDp3U

Timestamps

(00:00:00) Introduction

(00:03:31) Sharon's Origin Story

(00:21:58) Transition to Bug Bounty and Pwn2Own vs HackerOne

(00:47:05) IoT/ICS Hacking Methodology

(01:10:13) Cloud to Device Communication

(01:18:15) Bug replication and uncommon attack surfaces

(01:30:58) Documentation tracker, reCaptcha bypass, and ScanMySMS

Episode 97: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel jump into some cool news items, including a recent Okta Bcrypt vulnerability, insights into crypto bugs, and some intricacies of Android and Chrome security. They also explore the latest research from Portswigger on payload concealment techniques, and the introduction of the Lightyear tool for PHP exploits.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker: Check out Network Control!

https://www.criticalthinkingpodcast.io/tl-nc

And AssetNote: Check out their ASMR board (no not that kind!)

https://assetnote.io/asmr

Resources

Okta bcrypt

Android Web Attack Surface Writeups

Concealing payloads in URL credentials

Dumping PHP files with Lightyear

Limit maximum number of filter chains

Dom-Explorer tool launched

MultiHTMLParse

JSON Crack

Caido/Burp notes plugin

Timestamps

(00:00:00) Introduction

(00:02:43) Okta Release and bcrypt

(00:10:26) Android Web Attack Surface Writeups

(00:20:21) More Portswigger Research

(00:28:29) Lightyear and PHP filter chains

(00:35:09) Dom-Explorer

(00:45:24) The JSON Debate

(00:49:59) Notes plugin for Burp and Caido

Episode 96: In this episode of Critical Thinking - Bug Bounty Podcast we’re back with Matanber to hit some stuff we ran out of time on last episode. We talk about advanced cookie parsing techniques and exploitation methods, Safari's unique behaviors regarding cookie handling and debugging methods, and some of the writeups from the HeroCTF v6.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest: https://x.com/MtnBer

Resources:

Cookie Bugs - Smuggling & Injection

https://blog.ankursundara.com/cookie-bugs/#:~:text=Cookie%20Smuggling

iOS Webkit Debug Proxy

https://github.com/google/ios-webkit-debug-proxy

HeroCTF v6 Writeups

https://mizu.re/post/heroctf-v6-writeups

Timestamps

(00:00:00) Introduction

(00:01:29) Cookie exploits

(00:21:32) Matan's Safari Adventure

(00:29:49) HeroCTF 6 writeups

Episode 95: In this episode of Critical Thinking - Bug Bounty Podcast In this episode, Justin is joined by MatanBer to delve into the intricacies of browser extensions. We talk about the structure and threat models, and cover things like service workers, extension pages, and isolated worlds.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - AssetNote. Listen to their podcast https://www.criticalthinkingpodcast.io/sspod

Today’s Guest: https://x.com/MtnBer

Resources

Universal Code Execution by Chaining Messages in Browser Extensions

https://spaceraccoon.dev/universal-code-execution-browser-extensions/

DOMLogger++

https://github.com/kevin-mizu/domloggerpp

BBRE Metamask bug

https://youtu.be/HnI0w156rtw?si=QixP8SX6JuRFz6PA

Bench Press: Leaking Text Nodes with CSS

https://blog.pspaul.de/posts/bench-press-leaking-text-nodes-with-css/

Timestamps:

(00:00:00) Introduction

(00:03:08) Structure & Threat Model for Browser Extension

(00:28:28) Extension Attack scenarios

(01:01:26) Attacking Extension Pages

(01:26:35) Attacking Service Workers

(01:46:23) Getting source code and dynamic debugging

Episode 94: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel give their perspectives on the recent Zendesk fiasco and the ethical considerations surrounding it. They also highlight the launch of AuthzAI and some research from Ophion Security

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - AssetNote. Listen to their podcast https://www.criticalthinkingpodcast.io/sspod

Resources:

New music drop from our Boi YT

https://x.com/realytcracker/status/1847599657569956099

AuthzAI

https://authzai.com/

Ron Chan

https://x.com/ngalongc

Misconfigured User Auth Leads to Customer Messages

https://www.ophionsecurity.com/post/live-chat-blog-1-misconfigured-user-auth-leads-to-customer-messages

Zendesk Write-up

https://gist.github.com/hackermondev/68ec8ed145fcee49d2f5e2b9d2cf2e52

Response from Zendesk

https://gist.github.com/hackermondev/68ec8ed145fcee49d2f5e2b9d2cf2e52?permalink_comment_id=5232589#gistcomment-5232589

Timestamps

(00:00:00) Introduction

(00:05:29) AuthzAI and the return of Ron Chan

(00:13:50) Ophion Security Research

(00:18:12) Zendesk Drama

Episode 93: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Dr. Jonathan Bouman to discuss his unique journey as both a Hacker and a Healthcare Professional. We talk through how he balances his dual careers, some ethical considerations of hacking in the context of healthcare, and highlight some experiences he’s had with Amazon's bug bounty program.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker. Checkout their ThreatLocker Detect! https://www.criticalthinkingpodcast.io/tl-detect

Today’s Guest - https://x.com/jonathanbouman?lang=en

Resources

Anyone can Access Deleted and Private Repository Data on GitHub

Filesender Github

Remote Code execution at ws1.aholdusa .com

APK-MITM

Hacking Dutch healthcare system

Fitness Youtube Channels

https://www.youtube.com/channel/UCpQ34afVgk8cRQBjSJ1xuJQ

https://www.youtube.com/@BullyJuice

Timestamps

(00:00:00) Introduction

(00:07:28) Medicine and Hacking

(00:19:36) Hacking on Amazon

(00:34:33) Collaboration and consistency

(00:44:13) SSTI Methodology

(01:06:10) iOS Hacking Methodology

(01:13:23) Hacking Healthcare

(01:32:19) Health tips for hacking

Episode 92: In this episode of Critical Thinking - Bug Bounty Podcast In this episode Justin and Joel tackle a host of new research and write-ups, including Ruby SAML, 0-Click exploits in MediaTek Wi-Fi, and Vulnerabilities caused by The Great Firewall

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker. Checkout their ThreatLocker Detect! https://www.criticalthinkingpodcast.io/tl-detect

Resources:

Insecurity through Censorship

Ruby-SAML / GitLab Authentication Bypass

0-Click exploit discovered in MediaTek Wi-Fi chipsets

New Caido Plugin to Generate Wordlists

Bebik’s 403 Bypassor

CSPBypass

Arb Read & Arb write on LLaMa.cpp by SideQuest

XSS WAF Bypass One payload for all

Timestamps

(00:00:00) Introduction

(00:02:08) Vulnerabilities Caused by The Great Firewall

(00:07:25) Ruby SAML Bypass

(00:19:55) 0-Click exploit discovered in MediaTek Wi-Fi chipsets

(00:24:36) New Caido Wordlist Plugin

(00:31:00) CSPBypass.com

(00:35:37) Arb Read & Arb write on LLaMa.cpp by SideQuest

(00:43:10) Helpful WAF Bypass

Episode 91: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner sits down with Critical Thinking’s own HackerNotes writer Brandyn Murtagh (gr3pme) to talk about his journey with Bug Bounty. We cover mentorship, networking and LHEs, ecosystem hacking, emotional regulation, and the need for self-care. Then we wrap up with some fun bugs.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Shop our new swag store at ctbb.show/swag

Today’s Sponsor: Project Discovery - tldfinder: https://www.criticalthinkingpodcast.io/tldfinder

Today’s guest: https://x.com/gr3pme

Resources:

Lessons Learned for LHEs

https://x.com/Rhynorater/status/1579499221954473984

Timestamps:

(00:00:00) Introduction

(00:07:02) Mentorship in Bug Bounty

(00:16:30) LHE lessons, takeaways, and the benefit of feedback and networking

(00:41:28) Choosing Targets

(00:49:03) Vuln Classes

(00:58:54) Bug Reports

Episode 90: In this episode of Critical Thinking - Bug Bounty Podcast Joel and Justin recap some of their recent hacking ups and downs and have a lively chat about Cursor. Then they cover some some research about SQL Injections, Clickjacking in Google Docs, and how to steal your Telegram account in 10 seconds.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Shop our new swag store at ctbb.show/swag

Today’s Sponsor: Project Discovery - tldfinder: https://www.criticalthinkingpodcast.io/tldfinder

Resources:

Breaking Down Barriers: Exploiting Pre-Auth SQL Injection in WhatsUp Gold

Content-Type that can be used for XSS

Clickjacking Bug in Google Docs

Justin's Gadget Link

https://www.youtube.com/signin?next=https%3A%2F%2Faccounts.youtube.com%2Faccounts%2FSetSID%3Fcontinue%3Dhttps%3A%2F%2Fwww.google.com%252Famp%252fpoc.rhynorater.com

Stealing your Telegram account in 10 seconds flat

Timestamps

(00:00:00) Introduction

(00:08:28) Recent Hacks and Dupes

(00:14:00) Cursor

(00:25:02) Exploiting Pre-Auth SQL Injection in WhatsUp Gold

(00:34:17) Content-Type that can be used for XSS

(00:40:25) Caido updates

(00:43:14) Clickjacking in Google Docs, and Stealing Telegram account

Episode 89: In this episode of Critical Thinking - Bug Bounty Podcast We’re joined live by Matt Brown to talk about his journey with hacking in the IoT. We cover the specializations and challenges in hardware hacking, and Matt’s personal Methodology. Then we switch over to touch on BGA Reballing, Certificate Pinning and Validation, and some of his own bug stories.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor: Project Discovery - tldfinder: https://www.criticalthinkingpodcast.io/tldfinder

Today’s Guess Matt Brown: https://x.com/nmatt0

Resources:

Decrypting SSL to Chinese Cloud Servers

https://www.youtube.com/watch?v=3qSxxNvuEtg

mitmrouter

https://github.com/nmatt0/mitmrouter

certmitm Automatic Exploitation of TLS Certificate Validation Vulns

https://www.youtube.com/watch?v=w_l2q_Gyqfo

and

https://media.defcon.org/DEF%20CON%2031/DEF%20CON%2031%20presentations/Aapo%20Oksman%20-%20certmitm%20automatic%20exploitation%20of%20TLS%20certificate%20validation%20vulnerabilities.pdf

https://github.com/aapooksman/certmitm

HackerOne Detailed Platform Standards

https://docs.hackerone.com/en/articles/8369826-detailed-platform-standards

Timestamps:

(00:00:00) Introduction

(00:13:33) Specialization and Challenges of IOT Hacking

(00:33:03) Decrypting SSL to Chinese Cloud Servers

(00:47:00) General IoT Hacking Methodology

(01:26:00) Certificate Pinning and Certificate Validation

(01:34:35) BGA Reballing

(01:43:26) Bug Stories

Episode 88: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel tackle a whole slate of new research including a new cheat sheet for URL validation bypass from Portswigger, the introduction of Sanic DNS as a high-speed DNS resolver, xsstools, and the Dockerization of Orange Confusion Attacks.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Shop our new swag store at ctbb.show/swag

Resources

URL Validation Bypass cheat sheet

SanicDNS

Orange Confusion Attacks

WordPress GiveWP POP to RCE

Xsstools

Bypassing browser tracking protection

Advanced iframe Magic

DOM Clobbering

https://www.ruhrsec.de/downloads/slides/Everything-You-Wanted-to-Know-About-DOM-Clobbering-But-Were-Afraid-to-Ask-Soheil-Khodayari-RuhrSec.pdf

And

https://domclob.xyz/domc_payload_generator/

Timestamps:

(00:00:00) Introduction

(00:02:00) URL validation bypass

(00:07:41) SanicDNS and Orange confusion attacks

(00:20:06) WordPress GiveWP POP to RCE

(00:31:29) Xsstools

(00:43:56) Bypassing browser tracking protection

(00:52:06) DOM Clobbering and mixing up your approach

Episode 87: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with none other than his wife Mariah to talk about Bug Bounty from the perspective of a Significant Other. They share how they’ve traversed travel and Live Hacking Events, household chores, hobbies, goals, rewards, as well as how best to encourage and support the hacker/non-hacker in your life.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Shop our new swag store at ctbb.show/swag

Today’s Guest: https://x.com/MariahG017

Resources:

Ruby Nealon's song

https://x.com/_ruby/status/835306502546149376

Don't Force Yourself to Become a Bug Bounty Hunter

https://samcurry.net/dont-force-yourself-to-become-a-bug-bounty-hunter

Timestamps

(00:00:00) Introduction

(00:03:12) Technical Questions for a Bug Bounty Wife

(00:16:11) Mariah's First LHE experience

(00:31:12) LHEs as a Couple

(00:41:57) Encouragement and Risk

(00:55:55) Hacker Family Dynamics, goals, and keeping promises

(01:17:35) How to care for your Hacker/Hacker Wife

Episode 86: In this episode of Critical Thinking - Bug Bounty Podcast Frans blows Justin’s mind with a sneak peak of his new presentation. Note: This is a little different from our normal episode, and video is recommended. So head over to ctbb.show/yt if you feel like you’re missing something.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Shop our new swag store at ctbb.show/swag

Watch this Episode on Youtube - ctbb.show/yt

Today’s Guest: Frans Rosen - https://x.com/fransrosen

View the slides of this presentation at https://speakerdeck.com/fransrosen/x-correlation-injections-or-how-to-break-server-side-contexts

Timestamps

(00:00:00) Introduction

(00:04:09) x-correlation injection

(00:21:10) Server-side JSON-Injection

(00:32:10) Fuzz Blindly and Optimizing Blind RCE

Episode 85: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel talk through some of the research coming out of DEFCON, mainly from the PortSwigger team. Web timing attacks, cache exploitation, and exploits related to email protocols are all featured. Plus we also talk some fun Apache hacks from Orange Tsai

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

Check out our new SWAG store at https://ctbb.show/swag!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Resources

Listen to the whispers

https://portswigger.net/research/listen-to-the-whispers-web-timing-attacks-that-actually-work

Splitting the email atom

https://portswigger.net/research/splitting-the-email-atom

Gotta cache 'em all

https://portswigger.net/research/gotta-cache-em-all

HTTP Garden

https://github.com/narfindustries/http-garden

Confusion Attacks: Exploiting Hidden Semantic Ambiguity in Apache HTTP Server!

https://blog.orange.tw/2024/08/confusion-attacks-en.html#%E2%9C%94%EF%B8%8F-2-2-2-Local-Gadget-to-XSS

Trusted API Types

https://developer.mozilla.org/en-US/docs/Web/API/Trusted_Types_API

Untrusted Types

https://github.com/filedescriptor/untrusted-types

Timestamps:

(00:00:00) Introduction

(00:09:45) 'Listen to the whispers'

(00:30:03) 'Splitting the email atom'

(00:58:42) 'Gotta cache 'em all'

(01:21:03) 'Confusion Attacks'

Episode 84: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is joined by Roni Carta (@0xLupin) to discuss their MVH win at the recent Google LHE, and share some technical observations they had with the target and the event.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest: https://x.com/0xLupin

Today’s Sponsor - ThreatLocker

Timestamps:

(00:00:00) Introduction

(00:02:12) MHV Debrief

(00:09:05) Sandboxes and Comfort Zones

(00:13:24) SDKs and Legal Compliance

(00:19:29) Age of Target and Platform-Exclusive Hunters

Episode 83: In this episode of Critical Thinking - Bug Bounty Podcast Joel and Justin are brainstorming new features and improvements for Caido, such as the implementation of a 403 bypassing workflow, a text expander, Tracing Cookies, and more.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Resources:

Post from Gareth Heyes

https://x.com/garethheyes/status/1811084674988474417

Wiki List of XML and HTML

https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references#List_of_character_entity_references_in_HTML

HackerOne Leaderboard Changes

https://x.com/scarybeasts/status/1810813103354892666

Espanso

https://espanso.org/

Critical Thinkers Discord

ctbb.show/criticalthinkers

Oauth Scan

https://portswigger.net/bappstore/8ef2db1173e8432c8797831c2e730727

Timestamps:

(00:00:00) Introduction

(00:03:12) News

(00:13:20) Into the Brainstorm

(00:13:41) 403 Bypasser

(00:20:34) "Expaido"

(00:31:34) Trace Cookies

(00:42:01) Highlight Decoding Expansion and AI integrations

(00:49:08) OAuth Testing, API Highlighter, and Note-taking

Episode 82: In this episode of Critical Thinking - Bug Bounty Podcast Joel Margolis discusses strategies and tips for part-time bug bounty hunting. He covers things like finding (and enforcing) balance, picking programs and goals, and streamlining your process to optimize productivity.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Resources:

Evernote RCE Post

https://0reg.dev/blog/evernote-rce

ServiceNow Bug Chain

https://www.assetnote.io/resources/research/chaining-three-bugs-to-access-all-your-servicenow-data

Douglas Day's Talk on finding 'no's'

https://youtu.be/G1RHa7l1Ys4?si=TY16ULsEIfJ9CMKk

Timestamps:

(00:01:37) Introduction

(00:02:24) Evernote RCE Post

(00:06:47) AssetNote ServiceNow Bug Chain

(00:12:16) Part-Time Bug Bounty: Balance and Accountability

(00:18:04) Picking programs: Impact and Payout

(00:28:46) Streamline your process

Episode 81: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by MatanBer to go over some recent bug reports, as well as share some tips and tricks on client-side hacking and using DevTools effectively.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Today’s Guest: https://x.com/MtnBer

Resources:

Beyond XSS

https://aszx87410.github.io/beyond-xss/en/

Web VSCode XSS

https://gitlab.com/gitlab-org/gitlab/-/issues/461328

Timestamps

(00:00:00) Introduction

(00:05:24) Learning and Labs

(00:17:29) DevTools tips and tricks

(00:49:49) General Client-Side hacking tips

(01:09:59) Self-XSS Storytime

(01:32:16) Bug Reports

(01:46:37) Brainstorming a Client-side HUD

Episode 80: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Sina Kheirkhah to talk about the start of his hacking journey and explore the differences between the Pwn2Own and HackerOne Events

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Today’s Guest: https://x.com/SinSinology

Blog: https://sinsinology.medium.com/

Resources:

WhatsUp Gold Pre-Auth RCE

Advanced .NET Exploitation Training

dnSpyEx

QEMU

Unicorn Engine

Qiling

libAFL

Alex Plaskett interview

TippingPoint

Flashback Team

Timestamps:

(00:00:00) Introduction

(00:12:45) Learning, Mentorship, and Failure

(00:29:34) Pentesting and Pwn2Own

(00:40:05) Hacking methodology

(01:01:57) Debuggers and shells in IoT Devices

(01:35:40) Differences between ZDI and HackerOne

(02:02:27) Pwn2Own Steps and Stories

(02:14:06) Master of Pwn Title

(02:29:54) Bug reports

Episode 79: In this episode of Critical Thinking - Bug Bounty Podcast we deepdive CSS injection, and explore topics like sequential import chaining, font ligatures, and attribute exfiltration.

Follow us on twitter at: @ctbbpodcast

Send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources:

SpaceRaccoon's Universal Code Execution Extensions

Escalating Client Side Path Traversal

Full-time Bug Bounty Blueprint

Sequential Import Chaining

CSS Exfiltation

Link that Justin was talking about

Font Ligatures

Lava Dome bypass

Stealing Data in Great Style

Steal Script Contents

Masato Kinugawa's tweet

Attacking with Just CSS

CSS Injection Primitives

Timestamps:

(00:00:00) Introduction

(00:02:32) Universal Code Execution

(00:11:32) Escalating Client Side Path Traversal

(00:16:56) Justin's Defcon talk & Bug Bounty Blueprint

(00:23:32) CSS Injection

(00:39:23) Font Ligatures

(00:54:30) Descent Override and display:block

Episode 78: In this episode of Critical Thinking - Bug Bounty Podcast we’re talking about writing reports. We share some tips that we’ve learned, and discuss ways that AI can (and can’t) help with that process. We also talk about the benefit of using tools like Fabric, Loom, and ShareX.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Resources:

XSS WAF Bypass by multi-char HTML entities

Shazzer

Next.js and cache poisoning

Nagli's Nuclei Template

hey why can't you fix this one bug

Justin's reporting templating software

Fabric

BB Report Formatter

2to3 Automated Python Converter

ShareX

Skitch

Timestamps:

(00:00:00) Introduction

(00:04:00) XSS WAF Bypass by Multi-char HTML Entities

(00:11:59) Next.js and Cache Poisoning

(00:18:03) Nagli's Nuclei Template and Sean Yeoh's Blog

(00:27:34) Report Writing and AI

(00:50:02) Reporting tips

Episode 77: In this episode of Critical Thinking - Bug Bounty Podcast Joel and Justin discuss some fresh writeups including some MongoDB injections, ORMs, and exploits in Kakao and iOS before pivoting into a conversation about staying motivated and avoiding burnout while hunting.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources:

MongoDB NoSQL Injection

https://soroush.me/blog/2024/06/mongodb-nosql-injection-with-aggregation-pipelines/

Mongo DB Is Web Scale

https://www.youtube.com/watch?v=b2F-DItXtZs

1-click Exploit in Kakao

https://stulle123.github.io/posts/kakaotalk-account-takeover/

Unsecure time-based secret and Sandwich Attack

https://www.aeth.cc/public/Article-Reset-Tolkien/secret-time-based-article-en.html

Reset Tolkien

https://github.com/AethliosIK/reset-tolkien

iOS URL Scheme Hijacking Revamped

https://evanconnelly.github.io/post/ios-oauth/

PLORMBING YOUR DJANGO ORM

https://www.elttam.com/blog/plormbing-your-django-orm/#content

Timestamps:

(00:00:00) Introduction

(00:02:07) MongoDB NoSQL Injection

(00:12:42) 1-click Exploit in Kakao

(00:33:21) Time-based secrets and Reset Tolkien

(00:39:26) iOS URL Scheme Hijacking Revamped

(00:51:42) ORMs

(00:58:57) Community Bug Submission

(01:07:45) Motivation, Mental Sharpness, and Burnout avoidance

Episode 76: In this episode of Critical Thinking - Bug Bounty Podcast we’re talking about Match and Replace and the often overlooked use cases for it, like bypassing paywalls, modifying host headers, and storing payloads. We also talk about the HackerOne Ambassador World Cup and the issues with dupe submissions, and go through some write-ups.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Resources

Zoom Session Takeover

https://nokline.github.io/bugbounty/2024/06/07/Zoom-ATO.html

SharePoint XXE

https://x.com/thezdi/status/1796207012520366552

Shazzer

https://shazzer.co.uk/

Timestamps:

(00:00:00) Introduction

(00:05:06) H1 Ambassador World Cup

(00:13:57) Zoom ATO bug

(00:33:28) SharePoint XXE

(00:39:36) Shazzer

(00:46:36) Match and Replace

(01:13:01) Match and Replace in Mobile

(01:21:13) Header Replacements

Episode 75: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are sick, So instead of a new full episode, we're going back 30 episodes to review.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

Today's Guest: https://twitter.com/fransrosen

Detectify

Discovering s3 subdomain takeovers

https://labs.detectify.com/writeups/hostile-subdomain-takeover-using-heroku-github-desk-more/

bucket-disclose.sh

https://gist.github.com/fransr/a155e5bd7ab11c93923ec8ce788e3368

A deep dive into AWS S3 access controls

Attacking Modern Web Technologies

Live Hacking like a MVH

Account hijacking using Dirty Dancing in sign-in OAuth flows

Timestamps:

(00:00:00) Introduction

(00:11:41) Franz Rosen's Bug Bounty Journey and Detectify

(00:20:21) Pseudo-code, typing, and thinking like a dev

(00:27:11) Hunter Methodologies and automationists

(00:42:31) Time on targets, Iteration vs. Ideation

(00:58:01) S3 subdomain takeovers

(01:11:53) Blog posting and hosting motivations

(01:20:21) Detectify and entrepreneurial endeavors

(01:36:41) Attacking Modern Web Technologies

(01:52:51) postMessage and MessagePort

(02:05:00) Live Hacking and Collaboration

(02:20:41) Account Hijacking and OAuth Flows

(02:35:39) Hacking + Parenthood

Episode 74: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with Roni "Lupin" Carta for a deep dive into supply chain attacks and dependency confusion. We explore the supply chain attacks, the ethical considerations surrounding maintainers and hosting packages on public registries, and chat about the vision and uses of his new tool Depi.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Today’s Guest: https://x.com/0xLupin

Resources:

Dependency Confusion: How I Hacked Into Apple, Microsoft and Dozens of Other Companies

https://medium.com/@alex.birsan/dependency-confusion-4a5d60fec610

git-dump

https://github.com/tomnomnom/dotfiles/blob/master/scripts/git-dump

Depi

https://www.landh.tech/depi

Weak links of Supply Chain

https://arxiv.org/pdf/2112.10165

Timestamps:

(00:00:00) Introduction

(00:07:13) Overveiw of Supply Chain Flow

(00:15:14) Getting our Scope

(00:23:46) Depi

(00:29:12) Types of attacks and finding the 80/20

(00:45:06) Maintainer attacks

(01:10:40) Regestries, artifactories, and an npm bug

(01:31:51) Grafana NPX Confusion

Episode 73: In this episode of Critical Thinking - Bug Bounty Podcast we give a brief recap of Nahamcon and then touch on some topics like WAF bypass tools, sandboxed iframes, and programs redacting your reports.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Resources:

?. Tweet

https://x.com/garethheyes/status/1786836956032176215

NoWafPls

https://github.com/assetnote/nowafpls

Redacted Reports

https://x.com/deadvolvo/status/1790397012468199651

Breaking CORS

https://x.com/MtnBer/status/1794657827115696181

Sandbox-iframe XSS challenge solution

https://joaxcar.com/blog/2024/05/16/sandbox-iframe-xss-challenge-solution/

iframe and window.open magic

https://blog.huli.tw/2022/04/07/en/iframe-and-window-open/#detecting-when-a-new-window-has-finished-loading

domloggerpp

https://github.com/kevin-mizu/domloggerpp

Timestamps

(00:00:00) Introduction

(00:03:29) ?. Operator in JS and NoWafPls

(00:07:22) Redacting our own reports

(00:11:13) Breaking CORS

(00:17:07) Sandbox-iframes

(00:24:11) Dom hook plugins

Episode 72: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss some hot research from the past couple months. This includes ways to smuggle payloads in phone numbers and IPv6 Addresses, the NextJS SSRF, the PDF.JS PoC drop, and a GitHub Enterprise Indirect Method Information bug. Also, we have an attack vector featured from Monke!

Follow us on twitter at: @ctbbpodcast

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Resources:

PDF.JS Bypass to XSS

https://github.com/advisories/GHSA-wgrm-67xf-hhpq

https://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js/

PDFium

NextJS SSRF by AssetNote

Better Bounty Transparency for hackers

Slonser IPV6 Research

Smuggling payloads in phone numbers

Automatic Plugin SQLi

DomPurify Bypass

Bug Bounty JP Podcast

Github Enterprise send() bug

https://x.com/creastery/status/1787327890943873055

https://x.com/Rhynorater/status/1788598984572813549

Timestamps:

(00:00:09) Introduction

(00:03:20) PDF.JS XSS and NextJS SSRF

(00:12:52) Better Bounty Transparency

(00:20:01) IPV6 Research and Phone Number Payloads

(00:28:20) Community Highlight and Automatic Plugin CVE-2024-27956

(00:33:26) DomPurify Bypass and Github Enterprise send() bug

(00:46:12) Caido cookie and header extension updates

Episode 71: In this episode of Critical Thinking - Bug Bounty Podcast Keith Hoodlet joins us to weigh in on the VDP Debate. He shares some of his insights on when VDPs are appropriate in a company's security posture, and the challenges of securing large organizations. Then we switch gears and talk about AI bias bounties, where Keith explains the approach he takes to identify bias in chatbots and highlights the importance of understanding human biases and heuristics to better hack AI.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Today’s guest: Keith Hoodlet

https://securing.dev/

Resources:

Daniel Miessler's article about the security poverty line

https://danielmiessler.com/p/the-cybersecurity-skills-gap-is-another-instance-of-late-stage-capitalism/

Hacking AI Bias

https://securing.dev/posts/hacking-ai-bias/

Hacking AI Bias Video

https://youtu.be/AeFZA7xGIbE?si=TLQ7B3YtzPWXS4hq

Sarah's Hoodlet's new book

https://sarahjhoodlet.com

Link to Amazon Page

https://a.co/d/c0LTM8U

Timestamps:

(00:00:00) Introduction

(00:04:09) Keith's Appsec Journey

(00:16:24) The Great VDP Debate Redux

(00:47:18) Platform/Hunter Incentives and Government Regulation

(01:06:24) AI Bias Bounties

(01:26:27) AI Techniques and Bugcrowd Contest

Episode 70: In this episode of Critical Thinking - Bug Bounty Podcast we’re once again joined by Ben Sadeghipour to talk about some Nahamcon news, as well as discuss a couple other LHE’s taking place. Then they cover CI/CD and drop some cool CSP Bypasses.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Today’s Guest: https://twitter.com/NahamSec

https://www.nahamcon.com/

Resources:

Depi

https://www.landh.tech/depi

Youtube CSP:

https://www.youtube.com/oembed?callback=alert()

Maps CSP:

https://maps.googleapis.com/maps/api/js?callback=alert()-print

Google APIs CSP

https://www.googleapis.com/customsearch/v1?callback=alert(1)

Google CSP

https://www.google.com/complete/search?client=chrome&q=123&jsonp=alert(1)//

CSP Bypass for opener.child.child.child.click()

https://octagon.net/blog/2022/05/29/bypass-csp-using-wordpress-by-abusing-same-origin-method-execution/

Timestamps:

(00:00:00) Introduction

(00:02:55) BSides Takeaways and hacking on Meta

(00:12:12) NahamCon News

(00:23:45) CI/CD and the launch of Depi

(00:33:29) CSP Bypasses

Episode 69: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Johan Carlsson to hear about some updates on his bug hunting journey. We deep-dive a CSP bypass he found in GitHub, a critical he found in GitLab's pipeline, and also talk through his approach to using script gadgets and adapting to highly CSP'd environments. Then we talk about his transition to full-time bug hunting, including the goals he’s set, the successes and challenges, and his current focus on specific bug types like ReDoS and OAuth, and the serendipitous nature of bug hunting.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Nuclei 3.2 Release: https://nux.gg/podcast

Today’s Guest:

https://twitter.com/joaxcar

https://joaxcar.com/blog/

Resources

Github CSP Bypass

https://gist.github.com/joaxcar/6e5a0a34127704f4ea9449f6ce3369fc

CSP Validator

https://cspvalidator.org/

Cross Window Forgery

https://www.paulosyibelo.com/2024/02/cross-window-forgery-web-attack-vector.html

Gitlab Crit

https://gist.github.com/joaxcar/9419b2df8778f26e9b02a741a8ec12f8

Timestamps

(00:00:00) Introduction

(00:09:34) Github CSP Bypass

(00:38:48) Script Gadgets and growth through Gitlab

(00:53:53) Gitlab pipeline bug

(01:12:32) Full-time Bug Bounty

Episode 68: In this episode of Critical Thinking - Bug Bounty Podcast Mathias is back with some fresh HTMX research, including CSP bypass using HTMX triggers, converting client-side response header injection to XSS, bypassing HTMX disable, and the challenges of using HTMX in larger applications and the potential performance trade-offs. We also talk about the results of his recent CTF Challenge, and explore some more facets of CDN-CGI functionality.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Project Discovery Conference: https://nux.gg/hss24

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest:

https://twitter.com/avlidienbrunn

Resources:

Masato Kinugawa's research on Teams

https://speakerdeck.com/masatokinugawa/how-i-hacked-microsoft-teams-and-got-150000-dollars-in-pwn2own?slide=33

subdomain-only 307 open redirect

https://avlidienbrunn.se/cdn-cgi/image/onerror=redirect/http://anything.avlidienbrunn.se

Timestamps

(00:00:00) Introduction

(00:05:18) CSP Bypass using HTML

(00:14:00) Converting client-side response header injection to XSS

(00:23:10) Bypassing hx-disable

(00:32:37) XSS-ing impossible elements

(00:38:22) CTF challenge Recap and knowing there's a bug

(00:51:53) hx-on (depreciated)

(00:54:30) CDN-CGI Research discussion

Episode 67: In this episode of Critical Thinking - Bug Bounty Podcast we deepdive on the topic of Vulnerability Disclosure Programs (VDPs) and whether they are beneficial or not. We also touch on the topic of leaderboard accuracy, and continue the Program VS Hacker debate regarding allocating funds for bounties.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Project Discovery Conference: https://nux.gg/hss24

Resources:

Nagli's Braindump on VDPs

https://twitter.com/galnagli/status/1780174392003031515

Timestamps:

(00:00:00) Introduction

(00:05:37) VDP programs

(00:34:10) Leaderboards

(00:43:52) Hacker vs. Program debate Part 2

(01:07:24) Walling Off Endpoints

Episode 66: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss the recent YesWeHack Louis Vuitton LHE, the importance of failure as growth in bug bounty, and Justin shares his research on CDN CGI.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Project Discovery Conference: https://nux.gg/hss24

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources:

YesWeHack Luis Vuitton LHE

https://twitter.com/yeswehack/status/1776280653744554287

https://event.yeswehack.com/events/hack-me-im-famous-2

Caido Workflows

https://github.com/caido/workflows

Oauth Redirects

https://twitter.com/Akshanshjaiswl/status/1724143813088940192

Bagipro Golden URL techniques

https://hackerone.com/reports/431002

Roadmap I followed to make 15,000+$ Bounties in my first 8 months https://shreyaschavhan.notion.site/Roadmap-I-followed-to-make-15-000-Bounties-in-my-first-8-months-of-starting-out-and-my-journey-98b1b9ff621645c0b97d1e774992f300

Monke Hacks Blog

https://monkehacks.beehiiv.com/

PortSwigger post

https://x.com/PortSwiggerRes/status/1766087129908576760

post from Masato Kinugawa

https://x.com/kinugawamasato/status/916393484147290113

Timestamps:

(00:00:00) Introduction

(00:04:19) Louis Vuitton LHE

(00:13:57) Browser Market share

(00:21:13) Justin's Bug of the Week

(00:24:49) Caido Workflows

(00:27:24) Oauth Redirects

(00:32:24) Bug Bounty learning Methodology

(00:41:03) 'Intent To Ship'

(00:48:08) CDN-CGI Research

Episode 65: In this episode of Critical Thinking - Bug Bounty Podcast we sit down with Sam Curry to discuss the ethical considerations and effectiveness of hacking, the importance of good intent, and the enjoyment Sam derives from pushing the boundaries to find bugs. He shares stories of his experiences, including hacking Tesla, online casinos,Starbucks, his own is ISP router, and even getting detained at the airport.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Project Discovery Conference: https://nux.gg/hss24

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest:

https://samcurry.net/

Resources:

Don’t Force Yourself to Become a Bug Bounty Hunter

hackcompute

Starbucks Bug

recollapse

Timestamps:

(00:00:00) Introduction

(00:02:25) Hacking Journey and the limits of Ethical Hacking

(00:28:28) Selecting companies to hack

(00:33:22) Fostering passion vs. Forcing performance

(00:54:06) Collaboration and Hackcompute

(01:00:40) The Efficacy of Bug Bounty

(01:09:20) Secondary Context Bugs

(01:25:01) Mindmaps, note-taking, and Intuition.

(01:46:56) Back-end traversals and Unicode

(01:56:16) Hacking ISP

(02:06:58) Next.js and Crypto

(02:22:24) Dev vs. Prod JWT

Episode 64: In this episode of Critical Thinking - Bug Bounty Podcast we talk about Justin and Joel delve into .NET remoting and how it can be exploited, a recent bypass in the Dom Purify library and some interesting functionality in the Cloudflare CDN-CGI endpoint. They also touch on the importance of collaboration and knowledge sharing, JavaScript Deobfuscation, the value of impactful POCs, hiding XSS payloads with URL path updates.

Follow us on twitter at: @ctbbpodcast

send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Check out Project Discovery’s nuclei 3.2 release blog at nux.gg/podcast

Resources:

.NET Remoting

https://code-white.com/blog/leaking-objrefs-to-exploit-http-dotnet-remoting/

https://github.com/codewhitesec/HttpRemotingObjRefLeak

DOM Purify Bug

Cloudflare /cdn-cgi/

https://developers.cloudflare.com/fundamentals/reference/cdn-cgi-endpoint/

https://portswigger.net/research/when-security-features-collide

https://twitter.com/kinugawamasato/status/893404078365069312

https://twitter.com/m4ll0k/status/1770153059496108231

XSSDoctor's writeup on Javascript deobfuscation

renniepak's tweet

Naffy's tweet

Timestamps:

(00:00:00) Introduction

(00:07:15) .Net Remoting

(00:17:29) DOM Purify Bug

(00:25:56) Cloudflare /cdn-cgi/

(00:37:11) Javascript deobfuscation

(00:47:26) renniepak's tweet

(00:55:20) Naffy's tweet

Episode 63: In this episode of Critical Thinking - Bug Bounty Podcast we welcome back Jason Haddix (From Episode 12) to talk about some updates to his The Bug Hunter's Methodology, as well as his own personal life and hacking journey. We talk about the start of his new company, and then venture into topics such as using threat intelligence and buying credentials from the dark web, recon techniques, and ways to integrate AI into your workflow (or target list).

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Today’s Guest:

https://twitter.com/Jhaddix

https://www.arcanum-sec.com/

Resources:

Dehashed

https://www.dehashed.com/

Flare

https://flare.io/

CSP Recon

https://github.com/edoardottt/csprecon

Timestamps:

(00:00:00) Introduction

(00:05:37) Updates to The Bug Hunter's Methodology

(00:14:46) Red Teaming

(00:21:29) Bug Bounty on the Dark Web

(00:36:19) FIS hunting

(00:47:59) New Recon Techniques 

(00:58:32) AI integrations and bounties

Episode 62: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel are back with some additional research resources that didn’t make the Portswigger Top-Ten, but that are worth looking at.

Follow us on twitter at: @ctbbpodcast

Feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Resources:

Cool HTML Shit

https://twitter.com/jcubic/status/1764311080661082201

https://twitter.com/encodeart/status/1764218128374943764

Bug bounty Hunting Journeys

https://twitter.com/ajxchapman/status/1762101366057525521

https://monkehacks.beehiiv.com/p/monkehacks-02

Yelp Cookie Bridge Report

Deobfuscating/Unminifying Obfuscated Code

ChatGPT Source Watch

Web Security Research Reddit

Nahamsec Resources

Portswigger Nominations list

Abusing perspectives: https://hackerone.com/reports/2401115

PortSwigger CSS Exfiltration

https://github.com/PortSwigger/css-exfiltration

Timestamps:

(00:00:00) Introduction

(00:02:06) Cool HTML Shit

(00:15:31) Bug Bounty Journeys

(00:28:01) Yelp Cookie Bridge Bug

(00:37:56) Additional Research Resources

(00:46:34) CSS and abusing perspectives

Episode 61: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Jasmin Landry to share some stories about startup security, bug bounty, and the challenges of balancing both. He also shares his methodology for discovering OAuth-related bugs, highlights some differences between structured learning and self-teaching, and then walks us through a couple arbitrary ATO’s and SSTI to RCE bugs he’s found lately.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest: Jasmin Landry

https://twitter.com/JR0ch17

Resources:

Dirty Dancing blog post

https://labs.detectify.com/writeups/account-hijacking-using-dirty-dancing-in-sign-in-oauth-flows/

OAuth 2.0 Threat Model and Security Considerations

https://datatracker.ietf.org/doc/html/rfc6819

OAuth 2.0 Security Best Current Practice

https://datatracker.ietf.org/doc/html/draft-ietf-oauth-security-topics

Timestamps:

(00:00:00) Introduction

(00:02:20) Meta Tag + DomPurify Bug

(00:09:36) Jasmin's Origin story

(00:28:23) Full time Bug bounty challenges

(00:36:57) Career jumps in Security and current Role

(00:47:32) OAuth Bug methodology and cool bug stories

(01:02:35) Social Engineering and Bug Bounty

(01:13:41) Arbitrary ATO bug

(01:19:41) SSTI to RCE bug

Episode 60: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel review the Portswigger Research list of top 10 web hacking techniques of 2023.

Follow us on twitter at: @ctbbpodcast

Send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources:

Top 10 web hacking techniques of 2023

1: Smashing the state machine

8: From Akamai to F5 to NTLM

3: SMTP Smuggling

4: PHP filter chains

(Bonus Read)

5: HTTP Parsers Inconsistencies

6: HTTP Request Splitting

7: How I Hacked Microsoft Teams

9: Cookie Crumbles

(Bonus Read)

10: Hacking root EPP servers to take control of zones

Timestamps:

(00:00:00) Introduction

(00:04:26) 1: Smashing the state machine

(00:11:56) 8: From Akamai to F5 to NTLM... with love

(00:17:11) 3: SMTP Smuggling

(00:26:27) 4: PHP filter chains

(00:36:40) 5: HTTP Parsers Inconsistencies

(00:44:56) 6: HTTP Request Splitting

(00:53:43) 7: How I Hacked Microsoft Teams

(01:02:25) 9: Cookie Crumbles

(01:11:36) 10: EPP Server Takeover

Episode 59: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss the concept of gadgets and how they can be used to escalate the impact of vulnerabilities. We talk through things like HTML injection, image injection, CRLF injection, web cache deception, leaking window location, self-stored XSS, and much more.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. 

Resources:

Even Better

NahamSec's 5 Week Program

NahamCon News

CSS Injection Research

Timestamps:

(00:00:00) Introduction

(00:03:31) Caido's New Features

(00:15:20) Nahamcon News and 5 week Bootcamp and pentest opportunity

(00:19:54) HTML Injection, CSS Injection, and Clickjacking

(00:33:11) Image Injection

(00:37:19) Open Redirects, Client-side path traversal, and Client-side Open Redirect

(00:49:51) Leaking window.location.href

(00:57:15) Cookie refresh gadget

(01:01:40) Stored XXS

(01:09:01) CRLF Injection

(01:13:24) 'A Place To Stand' in  GraphQL and ID Oracle

(01:18:23) Auth gadgets, Web Cache Deception, & LocalStorage poisoning

(01:27:46) Cookie Injection & Context Breaks

Episode 58: In this episode of Critical Thinking - Bug Bounty Podcast we finally sit down with Youssef Samouda and grill him on his various techniques for finding and exploiting client-side bugs and postMessage vulnerabilities. He shares some crazy stories about race conditions, exploiting hash change events, and leveraging scroll to text fragments. 

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. 

Today’s Guest: https://twitter.com/samm0uda?lang=en

https://ysamm.com/

Resources:

Client-side race conditions with postMessage: 

https://ysamm.com/?p=742 

Transferable Objects

https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Transferable_objects

Every known way to get references to windows, in javascript:

https://bluepnume.medium.com/every-known-way-to-get-references-to-windows-in-javascript-223778bede2d

Youssef’s interview with BBRE

https://www.youtube.com/watch?v=MXH1HqTFNm0

Timestamps:

(00:00:00) Introduction

(00:04:27) Client-side race conditions with postMessage

(00:18:12) On Hash Change Events and Scroll To Text Fragments

(00:32:00) Finding, documenting, and reporting complex bugs

(00:37:32) PostMessage Methodology

(00:45:05) Youssef's Vuln Story

(00:53:42) Where and how to look for ATO vulns

(01:05:21) MessagePort

(01:14:37) Window frame relationships

(01:20:24) Recon and JS monitoring

(01:37:03) Client-side routing

(01:48:05) MITMProxy

Episode 57: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are live from Miami, and recap their experience and share takeaways from the live hacking event. They highlight the importance of paying attention to client-side routing and the growing bug class of client-side path traversal. They also discuss the challenges of knowing when to cut your losses and the value of tracking time and setting goals. 

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. 

Timestamps:

(00:00:00) Introduction

(00:03:50) Miami LHE Recap and Takeaways

(00:05:57) Keeping time and cutting losses.

(00:19:07) Roles and Goals

(00:23:33) OAuth

(00:28:52) HTML5 image to img Tip

Episode 56: Using Data Science to win Bug Bounty - Mayonaise (aka Jon Colston)

Episode 56: In this episode of Critical Thinking - Bug Bounty Podcast, Justin sits down with Jon Colston to discuss how his background in digital marketing and data science has influenced his hunting methodology. We dive into subjects like data sources, automation, working backwards from vulnerabilities, applying conversion funnels to bug bounty, and the mayonaise signature 'Mother of All Bugs' 

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

WordFence - Sign up as a researcher! https://ctbb.show/wf

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. 

Today’s Guest:

https://hackerone.com/mayonaise?type=user

Timestamps:

(00:00:00) Introduction

(00:12:07) Evolving Hacking Methodologies & B2B Hacking

(00:23:57) Data Science + Bug Bounty

(00:34:37) 'Lead Generation for Vulns'

(00:41:39) Ingredients and Recipes

(00:49:45) Keyword Categorization

(00:54:30) Manual Processes and Recap

(01:07:08) Data Sources

(01:19:59) Digital Marketing + Bug Bounty

(01:32:22) M.O.A.B.s

(01:41:02) Burnout Protection and Dupe Analysis

Episode 55: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is joined by Wordpress Security Researcher Ram Gall to discuss both functionality and vulnerabilities within Wordpress Plugins.

Follow us on twitter

Send us any feedback here:

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

WordFence - Sign up as a researcher! https://ctbb.show/wf

---

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest:

Ramuel Gall

UpdraftPlus Vuln

XML-RPC PingBack

Unicode and Character Sets

Reflected XSS

POP Chain

WordpressPluginDirectory

Subscriber+ RCE in Elementor

Subscriber+ SSRF

Unauthed XSS via User-Agent header

Timestamps:

(00:00:00) Introduction

(00:05:55) Add_action & Nonces

(00:26:16) Add_filter & Register_rest_routes

(00:38:39) Page-related code & Shortcodes

(00:50:24) Top Sinks for WP

(01:02:19) Echo & SQLI Sinks

(01:15:07) Nonce Leak and wp_handle_upload

(01:18:16) Page variables & Pop Chains

(01:26:55) WP Escalations & Bug Reports

Episode 54: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel are back with news items and new projects. Joel shares about his personal scraping project to gather data on bug bounty programs and distribution Next, they announce the launch of HackerNotes, a podcast companion that will summarize the main technical points of each episode. They also discuss a recent GitLab CVE and an invisible prompt injection, before diving into a discussion (or debate) about vulnerable code patterns.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Gitlab CVE

https://github.com/Vozec/CVE-2023-7028

https://about.gitlab.com/releases/2024/01/11/critical-security-release-gitlab-16-7-2-released/

Fix commit: https://gitlab.com/gitlab-org/gitlab/-/commit/abe79e4ec437988cf16534a9dbba81b98a2e7f18

Invisible Prompt Injection

https://x.com/goodside/status/1745511940351287394?s=20

Regex 101

https://regex101.com

Regex to Strings

https://www.wimpyprogrammer.com/regex-to-strings/

Timestamps

(00:00:00) Introduction

(00:01:54) Joel’s H1 Data Scraping Research

(00:19:23) HackerNotes launch

(00:21:29) Gitlab CVE

(00:27:45) Invisible Prompt Injection

(00:33:52) Vulnerable Code Patterns

(00:37:51) Sanitization, but then modification of data afterward

(00:45:39) Auth check inside body of if statement

(00:48:15) sCheck for bad patterns with if, but then don't do any control flow

(00:50:21) Bad Regex

(01:00:36) Replace statements for sanitization

(01:04:32) Anything that allows you to call functions or control code flow in uncommon ways

Episode 53: In this episode of Critical Thinking - Bug Bounty Podcast,we’re joined by none other than NahamSec. We start by discusses the challenges he faced on his journey in bug bounty hunting and content creation, including personal struggles and the pressure of success.We also talk about finding balance and managing mental energy, going the extra mile, and the importance of planning and setting goals for yourself before he walks us through some Blind XSS techniques.

Follow us on twitter at: @ctbbpodcast

Feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Timestamps:

(00:00:00) Introduction

(00:01:37) Costs of Content Creation

(00:21:12) Hacking 'identities' and Pivoting

(00:36:49) Hacking Methodology

(00:58:59) Planning, Goals, and Nahamsec's 2023 Performance

(01:10:19) Blind XSS

(01:35:19) Going the extra mile in Bug Bounty

Episode 52: In this episode of Critical Thinking - Bug Bounty Podcast we're going back and highlighting some of the best technical moments from the past year! Hope you enjoy this best of 2023 Supercut!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Timestamps:

(00:00:00) Introduction

(00:02:55) Episode 26: Meta tags and base tags in HTML

(00:15:20) Episode 27: Client-side path traversal

(00:23:18) Episode 27: Cookie bombing + cookie jar overflow

(00:35:47) Episode 44: Cross environment authentication bugs

(00:43:17) Episode 47: The open-faced Iframe Sandwich

(00:50:19) Episode 47: js hoisting and classic Joel nerdsnipe

(00:58:28) Episode 29: Sean Yeoh on Subdomains vs IP in recon

(01:04:05) Episode 30: Shubs on reversing enterprise software

(01:24:58) Episode 30: Shubs on building out a recon flow

(01:29:36) Episode 30: Shubs on Hacking IIS Servers

(01:36:45) Episode 37: 0xLupin on smart JavaScript analysis tools

(01:45:42) Episode 45: Frans Rosen On App cache, Service workers cookie stuffing, and postMessage

(02:15:02) Episode 50: Mathias Karlsson on XSLT and MXSS

(02:39:26) Episode 27: Assetnote's sharefile RCE

(02:48:18) Episode 31: Perforce RCE

(02:53:48) Episode 48: Sam Erb's XSLT bug story

(02:58:47) Final thoughts and Special Thanks

Episode 51: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are back for the last episode of 2023. We discuss some noteworthy news items including a Hacker One Crit, Caido updates, and some Blind CSS. Then we dive into our own personal ‘Hackers Wrapped’ recap of the year, before laying out some goals for 2024.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources

Flow

Powertoys

Alfred

Pyperclip

Textgrab

CTF Payload Challenge

Hacker One Crit Report

Blind CSS Injection

Timestamps

(00:00:00) Introduction

(00:08:43) Keyboard Shortcut Utility Systems

(00:21:28) CTF Challenge By Frans

(00:32:40) Hacker One 25K Crit Disclosure

(00:36:31) Caido Searchbar Rework.

(00:40:51) Blind CSS Exfiltration

(00:44:10) 2023 Personal Bug Bounty Stats

(01:01:15) 2024 Personal Bug Bounty Goals

Episode 50: In this episode of Critical Thinking - Bug Bounty Podcast, Justin catches up with hacking master Mathias Karlsson, and talks about burnout, collaboration, and the importance of specialization. Then we dive into the technical details of MXSS and XSLT, character encoding, and give some predictions of what Bug Bounty might look like in the future…

Follow us on twitter at: @ctbbpodcast

Send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest

Episode Resources

How to Differentiate Yourself as a Hunter

MutateMethods

hackaplaneten

Article About Unicode and Character Sets

Byte Order Mark:

Character Encodings

ShapeCatcher

WAF Bypass

BountyDash

EXPLOITING HTTP'S HIDDEN ATTACK-SURFACE

Timestamps:

(00:00:00) Introduction

(00:10:06) Automation Setup and Assetnote Origins

(00:16:49) Sharing Tips, and Content Creation

(00:22:27) Collaboration and Optimization

(00:36:44) Working at Detectify

(00:51:45) Bug Bounty Burnout

(00:56:15) Early Days of Bug Bounty and Future Predictions

(01:19:00) Nerdsnipeability

(01:29:38) MXSS and XSLT

(01:54:20) Learning through being wrong

(02:00:15) Go-to Vulns

Episode 49: In this episode of Critical Thinking - Bug Bounty Podcast, Justin Gardner is once again joined by Nagli to discuss some of their recent hacking discoveries. They talk about finding and exploiting a backup file in an ASP.NET app, discovering vulnerabilities through Swagger files, and debating the vulnerability of a specific ‘undisclosed’ domain. Then they reflect on 2023’s Live Hacking Event circuit, and preview what’s to come in 2024’s.

This episode sponsored by Wordfence! Wordfence recently launched a game-changer of a bug bounty program with ALL WordPress plugins over 50k installs are in-scope. They are currently paying 6.25x their normal bounty amounts, and have agreed to give CT listeners a 10% bonus on top of that! If you wanna pop some crits and see those bounties roll in, head over to https://ctbb.show/wf for more info and keep an eye on the CTBB Discord for inspiration/collabs.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest

Episode Resources:

Shockwave

Why So Serial

New LHE Standards Dropped

Timestamps:

(00:00:00) Introduction

(00:02:37) wwwroot .zip Hack Recap

(00:13:44) Swagger File Hack Recap

(00:18:27) Undisclosed URL Hack Recap

(00:24:29) 2023 LHE Circut Recap

(00:37:14) 2024 LHE Preview and New Standards

(00:47:22) Bug Bounty Motivation

Episode 48: In this episode, joined by the spectacular Sam Erb, Google Security Engineer and DEFCON Black Badge winner. We talk about the importance of understanding how systems work to find vulnerabilities, and how his engineering background influences his hunting style and methodologies. Then we jump over to his Career Development and his work with Google, and then chat about some of the recent Google Vulnerability Programs.

This episode is sponsored by Wordfence! Wordfence recently launched a game-changer of a bug bounty program with ALL WordPress plugins over 50k installs are in-scope. They are currently paying 6.25x their normal bounty amounts, and have agreed to give CT listeners a 10% bonus on top of that! Head over to https://ctbb.show/wf for more info and keep an eye on the CTBB Discord for inspiration/collabs.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

—— Links ——

Follow your hosts Rhynorater & Teknogeek on twitter:

—— Ways to Support CTBBPodcast ——

Sign up for Caido using code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord

Discord premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest:

https://twitter.com/erbbysam

Sam Erbs Static Secret

Security Now Podcast

BIMI:

And

https://bimigroup.org/

Google Device Vulnerability Reward Program Initiatives

Google Invalid Reports

Hacking Google

Transcripts

(00:00:00) Introduction

(00:02:50) Hacker Methodology with Sam Erb

(00:12:20) Balancing Bug Hunting and Personal Life

(00:15:53) Deep Diving on a program and using automation.

(00:27:00) Optimizing Bug Hunting and Understanding Attack Vectors

(00:39:22) Collaboration and Boundaries

(00:45:42) Career Development and Entrepreneurship

(00:55:13) Winning Black Badges at DEFCON

(00:58:02) BufferOver

(01:09:11) Working at Google

(01:19:23) Google Bug Bounty Programs

(01:31:41) BONUS Cool Bugs

Episode 47: In this episode of Critical Thinking - Bug Bounty Podcast, the holidays are fast approaching, and Justin and Joel discuss some of the struggles of getting back into the hacking groove during and after breaks. We also celebrate the newly launched Critical Thinking Discord Community before diving into Iframe Sandwhiches, JS Hoisting, CSP Bypasses, and a host of new tools, techniques, and tangents.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

ThankUNext

jswzl

Rapid API

SSRF Utility tool by Bebiks

Tweet from Johan Carlsson

Burp Extension from Google VRP

Justin's Tweet about JS Hoisting

Bypass CSP Using WordPress

How to trick CSP in letting you run whatever you want

Timestamps:

(00:00:00) Introduction

(00:01:58) Overcoming Bug Bounty struggles and getting back into the hacking groove

(00:07:46) Taking notes and sticking to one program

(00:14:50) Critical Thinking Discord, Community highlights, and Competition vs Collaboration

(00:22:25) Secondary context bugs and Automationism

(00:28:42) ThankUNext and Client-side Paths

(00:33:45) Tool Tangents: Jswzl, Caido, Postman, and Rapid API

(00:46:49) New SSRF Utility tool by Bebiks and the continuing evolution of hacking tools

(00:51:45) Iframe Sandwiches

(00:58:54) News Items

(01:06:12) JS Hoisting

(01:15:05) CSP Bypasses

Episode 46: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is deep diving the topic of SAML (Security Assertion Markup Language), and walks through what it is and why it can be intimidating, before going over some key attack vectors to look for. Then he closes out with a commentary on a sample payload, and some HackerOne reports.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

KazHACKstan

https://kazhackstan.com/en

Testing SAML security with DAST

https://agrrrdog.blogspot.com/2023/01/testing-saml-security-with-dast.html

How to break SAML if I have paws?

https://speakerdeck.com/greendog/how-to-break-saml-if-i-have-paws?slide=20

How to Hunt Bugs in SAML; a Methodology

https://epi052.gitlab.io/notes-to-self/blog/2019-03-16-how-to-test-saml-a-methodology-part-three/

SAML Raider

https://portswigger.net/bappstore/c61cfa893bb14db4b01775554f7b802e

External Entity Injection during XML signature verification

https://bugs.chromium.org/p/project-zero/issues/detail?id=2313

mTLS: When certificate authentication is done wrong

https://github.blog/2023-08-17-mtls-when-certificate-authentication-is-done-wrong/

HackerOne Uber Report

https://hackerone.com/reports/136169

Timestamps:

(00:00:00) Introduction

(00:05:25) Understanding SAML and its complexities

(00:08:30) SAML Attack Vectors

(00:14:15) XML Signature Wrapping

(00:19:50) Some SAML tests to try

(00:30:30) Sample Payload description

(00:34:10) Token Recipient confusion

(00:36:05) HackerOne Reports

Episode 45: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome Frans Rosén, an OG bug bounty hunter and co-founder of Detectify. We kick off with Frans sharing his journey bug bounty and security startups, before diving headfirst into a host of his blog posts. We also cover the value of pseudo-code for bug exploitation, understanding developer terminology, the challenges of collaboration and delegating tasks, and balancing hacking with parenting. If you're interested in bug bounty or entrepreneurship, you won't want to miss it!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Join our Discord!

Today's Guest:

https://twitter.com/fransrosen

Detectify

Discovering s3 subdomain takeovers

Bucket Disclose

A deep dive into AWS S3 access controls

Attacking Modern Web Technologies

Live Hacking like a MVH

Account hijacking using Dirty Dancing in sign-in OAuth flows

Timestamps:

(00:00:00) Introduction

(00:04:50) Franz Rosen's Bug Bounty Journey and the creation of Detectify

(00:13:30) Benefits of pseudo-code, typing, and thinking like a developer

(00:20:20) Hunter Methodologies

(00:35:40) Time on targets, Iteration vs. Ideation, and tips for standing out

(00:51:10) S3 subdomain takeovers

(01:05:02) Blog posting and hosting motivations

(01:13:30) Detectify and entrepreneurial endeavors

(01:29:50) Attacking Modern Web Technologies

(01:46:00) postMessage and MessagePort

(01:58:09) Live Hacking and Collaboration

(02:13:50) Account Hijacking and OAuth Flows

(02:28:48) Hacking/Parenting

Episode 44: In this episode of Critical Thinking - Bug Bounty Podcast, the topic is URL structure, and Justin and Joel break down the elements that make up a URL and some common tips and tricks surrounding them which allow for all sorts of bypasses. We also round out the episode with some new tools, ato stories, and some controversial current events in the hacker scene.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

"XnlReveal" XNL h4ck3r

OAuth article by Salt Labs

H1 controversy recap

ATO through Facebook Login

https://twitter.com/Jayesh25_/status/1718543152296939861

https://twitter.com/itscachemoney/status/1721658450613346557

When URL Parsers disagree

Golden techniques to bypass host validations in Android apps

Mozilla article on HTTP Authentication

Breaking Parser Logic talk by Orange Tsai

URL Detector

SSRF Bible

Timestamps:

(00:00:00) Introduction

(00:04:10) “Xnl-Reveal”

(00:07:22) OAuth vulnerabilities

(00:13:17) Recap of controversy surrounding the handling of a vulnerability report on H1

(00:18:55) Hacker Success Manager Program

(00:22:30) Facebook login ATO

(00:27:45) When URL parsers disagree

(00:34:34) URL Structures

(01:02:22) Shared secrets across environments

(01:09:40) Social Media Logins

Episode 43: In this episode of Critical Thinking - Bug Bounty Podcast, we're joined by Emile from Caido, who shares his journey into the bug bounty and ethical hacking world. We kick off with a hilarious incident involving Joel, a child on an airplane, and an unfortunate cough. We then dive into the challenges of building an HTTP proxy tool, balancing basic features with nice-to-have features, and the importance of user feedback in shaping the development of Caido, a bug bounty tool.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount on the annual license.

Today’s Guest:

https://twitter.com/TheSytten

Caido

https://caido.io/

Caido’s Discord

https://discord.com/invite/KgGkkpKFaq

VS Code

https://code.visualstudio.com/

DNSChef

https://github.com/iphelix/dnschef

HackMD

https://hackmd.io/

Timestamps:

(00:00:00) Introduction

(00:01:34) Emile’s journey from general infrastructure development to co-founding Caido

(00:07:00) The rundown on Caido, a lightweight and flexible HTTP proxy tool

(00:11:00) Current and upcoming Caido Features

(00:17:00) Caido crew and division of duties

(00:19:40) Missing features and feature requests

(00:23:49) Decision to use Rust

(00:28:25) Workflows and walkthroughs

(00:36:27) Intercepts and the Roadmap

(00:41:15) Opinions on collaborator Functionality and HTTP Callback

(00:46:19) Reporting and Collaboration

Episode 42: In this episode of Critical Thinking - Bug Bounty Podcast, we're live from a hacking event in Portugal, and joined by the extremely talented René de Sain! He helps us cover a host of topics like NFT, XSS, LHE, and tips for success. We also talk about the correlation between creativity and hacking, shared workspaces, and last but certainly not least, hacker tattoos.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Today’s Guest:

https://twitter.com/renniepak

https://www.linkedin.com/in/rene-de-sain/ https://app.intigriti.com/researcher/profile/renniepak

Hacker Hideout

https://hackerhideout.xyz

Timestamps:

(00:00:00) Introduction

(00:04:40) NFT Vulns and web3 hacking

(00:08:15) Hacker Tattoos

(00:12:30) Intigriti vs. other platforms, and LHE approaches.

(00:20:10) Loneliness, budgeting, and the pros and cons of full-time hunting

(00:28:36) Target approaches, XSS, and extension tools.

(00:37:40) Fostering hacker intuition and relationships

(00:47:15) Final thoughts on the Intigriti Event

Episode 41: In this episode of Critical Thinking - Bug Bounty Podcast, Justin takes a break from his busy travel schedule to walk us through a few of his Attack Vector formulation strategies. We’re keeping this one short and sweet, so it can be better used as a reference when looking for new vectors.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Nahamcon talk by Douglas Day

https://youtu.be/G1RHa7l1Ys4?t=295

Timestamps:

(00:00:00) Introduction

(00:02:53) Use the application like a human, not like a hacker

(00:05:02) Reading documentation looking for "Cannot" statements

(00:08:16) Look at the grayed out areas

(00:10:08) Look for information in the API response

(00:12:38) Differences in the UI between different accounts

(00:13:42) Pay the paywall.

Episode 40: In this episode of Critical Thinking - Bug Bounty Podcast, it’s all about mentorships! Justin sits down with Kodai and So, two hackers he helped mentor, to discuss what worked and what didn’t. We talk about the importance of mentorship, what mentors might look for in a candidate, the challenges of transitioning from being mentored to self-education, and the necessity of continuous learning in this ever-evolving field that is bug bounty. This episode is a treasure trove of insights, and if you’re interested in either side of the mentorship coin, you won’t want to miss it.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Today’s Guests:

https://twitter.com/weeshter

https://twitter.com/Mokusou4

Congrats to @nchickens as our giveaway winner!

The Bug Hunter's Methodology Live Course

https://jasonhaddix.gumroad.com/l/lycucs

Timestamps:

(00:00:00) Introduction

(00:04:00) Guest backgrounds and introduction into hacking

(00:17:49) Where to start Learning and Teaching

(00:25:40) Technical Training vs Conceptual Teaching

(00:28:34) Mentorship Styles and Techniques.

(00:39:15) Moving from being mentored to self-learning

(00:46:20) Developing mental resilience and healthy habits

(00:50:32) Elements in mentorships that were hard or haven’t worked

(01:02:21) Being influenced by other hackers through mentorship or collaboration

(01:06:20) Hacking Bilingually and language barriers

(01:11:30) Hacking and learning goals for the future

Episode 39: In this episode of Critical Thinking - Bug Bounty Podcast, We're catching up on news, including new override updates from Chrome, GPT-4, SAML presentations, and even a shoutout from Live Overflow! Then we get busy laying the groundwork on a discussion of web architecture. better get started on this one, cause we're going to need a part two!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

CT shoutout from Live Overflow

https://www.youtube.com/watch?v=3zShGLEqDn8

Chrome Override updates

https://developer.chrome.com/blog/new-in-devtools-117/#overrides

GPT-4/AI Prompt Injection

https://x.com/rez0__/status/1706334160569213343?s=20 & https://x.com/evrnyalcin/status/1707298475216425400?s=20

Caido Releases Pro free for students

https://twitter.com/CaidoIO/status/1707099640846250433

Or, use code ctbbpodcast for 10% of the subscription price

Aleksei Tiurin on SAML hacking

https://twitter.com/antyurin/status/1704906212913951187

Account Takeover on Tesla

https://medium.com/@evan.connelly/post-account-takeover-account-takeover-of-internal-tesla-accounts-bc720603e67d

Joseph

https://portswigger.net/bappstore/82d6c60490b540369d6d5d01822bdf61

Cookie Monster

https://github.com/iangcarroll/cookiemonster

HTMX

https://htmx.org/

Timestamps:

(00:00:00) Introduction

(00:04:40) Shoutout from Live Overflow

(00:06:40) Chrome Overrides update

(00:08:48) GPT-4V and AI Prompt Injection

(00:14:35) Caido Promos

(00:15:40) SAML Vulns

(00:17:55) Account takeover on Tesla, and auth token from one context in a different context

(00:24:30) Testing for vulnerabilities in JWT-based authentication

(00:28:07) Web Architectures

(00:32:49) Single page apps + a rest API

(00:45:20) XSS vulnerabilities in single page apps

(00:49:00) Direct endpoint architecture

(00:55:50) Content Enumeration

(01:02:23) gRPC & Protobuf

(01:06:08) Microservices and Reverse Proxy

(01:12:10) Request Smuggling/Parameter Injections

Episode 38: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome mobile hacking maestro Sergey Toshin (aka @bagipro). We kick off with Sergey sharing his unexpected journey into mobile security, and how he rose to become the number one hacker in both Google Play Security and Samsung Bug Bounty programs. We then delve into the evolving perception of mobile bugs, a myriad of new and existing attack vectors, and discuss Sergey's creation of mobile security company Oversecured. You’re going to want to make time for this one!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today's Guest:

https://twitter.com/_bagipro

Oversecured

https://oversecured.com/

Oversecured Blog

https://blog.oversecured.com/

jadx

https://github.com/skylot/jadx

'Golden Android Techniques'

https://hackerone.com/reports/431002

Timestamps:

(00:00:00) Introduction

(00:01:28) Sergey Toshin’s hacking journey and achievements

(00:08:20) Mobile hacking: Devices and attack vectors

(00:12:35) Using Jadx

(00:15:40) The creation of Oversecured

(00:23:10) The Oversecured Blog and Sharing Information

(00:28:08) New Spheres and Strategies of Mobile Hacking

(00:35:13) Tips for getting into Mobile Hacking

Episode 37: In this episode of Critical Thinking - Bug Bounty Podcast we're joined by none other than Lupin himself! We recap the Tokyo LHE and the lessons we learned from it before diving into his legendary journey into security research and bug bounty. We also talk collaboration of all kinds: pair hacking, joining a team, and starting a business together. We even touch on some great tools that can collaborate with each other! This was a fun one, and we don't want you to miss it!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today’s Guest:

https://twitter.com/0xLupin

Lupin and Holmes

https://landh.tech/

JSWZL

https://jswzl.io/

Cursor

https://cursor.so/

Clairvoyance

https://github.com/nikitastupin/clairvoyance

Tweet about Command Injections

https://twitter.com/win3zz/status/1703702550372078074

James Kettle article on security research

https://portswigger.net/research/so-you-want-to-be-a-web-security-researcher

Timestamps:

(00:00:00) Introduction

(00:01:00) Lessons learned from the latest LHE

(00:09:30) JSWZL and the Cursor Combo

(00:19:15) The Legend of Lupin

(00:34:35) Code and Collaborating

(00:38:48) Requests, Automation, and Testing

(00:50:28) Joel's Helper scripts

(00:52:50) Teamwork and Pair Hacking

(00:57:29) Tips for learning to Hack

(01:00:35) UUID and CTF

(01:08:35) Dynamics of Collaboration with French Team

Episode 36: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel take a break from LHE prep to answer questions about the ethics of bug bounty and share their recent bug finds. We talk Iframes, mobile intercept proxies, open redirects, and that time Justin got shot at…

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Timeshifter:

https://www.timeshifter.com/

Tweet about Google Open Redirect

https://twitter.com/Rhynorater/status/1697357773690818844

Tweet about XSS Exploitation

https://twitter.com/Rhynorater/status/1698059391700701424

Request Minimizer

https://portswigger.net/bappstore/cc16f37549ff416b990d4312490f5fd1

Timestamps:

(00:00:00) Introduction

(00:02:45) Hacker One LHE Preview

(00:05:40) Is Bug Bounty Inherently Ethical

(00:19:25) Ethics of Going out of scope

(00:27:56) Justin’s story of getting shot at

(00:30:22) Setting up a mobile intercept proxy

(00:33:40) How to approach a new target

(00:40:30) Google Open Redirect

(00:43:35) Recent XSS Exploitation

(00:46:28) ATO Trick

(00:50:25) Joel’s Bug Report

(00:55:40) Justin’s Bug Report

Episode 35: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome Douglas Day, a bug bounty hunter known for his unique methodologies and collaborative spirit. We talk about his approach to finding new endpoints in applications, his ingenious technique of exploiting Intercom widgets, and collaboration preferences and tips at LHEs. We also touch on the struggle of justifying hobbies that don't generate income and the importance of finding enjoyment in the process.We hope you enjoy this episode as much as we did!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today’s Guest:

https://twitter.com/ArchAngelDDay

https://hackerone.com/the_arch_angel

https://bugcrowd.com/arch_angel

100 Short Bug Bounty Rules

https://twitter.com/ArchAngelDDay/status/1661924038875435008

Blog about Intercom

https://dday.us/2021/11/03/h1vendorATO.html

Blog about Mapping Hacking

http://dday.us/2021/10/09/Mapyourhacking.html

Timestamps: (00:00:00) Introduction

(00:03:01) Douglas Day’s infosec and LHE intro

(00:10:42) Evolution and philosophy of collaboration

(00:23:08) Balancing Collaboration and Money

(00:29:43) Recap of 100 Short Bug Bounty Rules

(00:37:15) Bug-hunting Methodology

(00:45:45) Using match and replace to find new endpoints in bug hunting

(00:49:07) Exploiting Intercom widgets

(00:52:35) Facing Failure and enjoying the journey

(00:57:00) Managing work-life balance

(01:05:55) Auth-Z testing and documentation

(01:12:25) Vulnerabilities in applications

(01:17:05) Mapping Hacking Sessions

Episode 34: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel have both beaten COVID and now square off against each other in a mega-debate representing hackers and program managers respectively. Among the topics included are Disclosures, Dupes, Zero-Day Policy, payouts, budgets, Triage and Retesting. So, if you want blood-pumping, insult-hurling opinion-invalidating debate…then maybe look somewhere else. But if a thought-provoking discussion about bug bounty is more your style, then take a seat and get ready!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Prompt Injection Primer for Engineers

https://twitter.com/rez0__/status/1695078576104833291

Portswigger on XSS

https://twitter.com/PortSwiggerRes/status/1691812241375424983

Gunner Andrews talk

https://www.youtube.com/watch?v=aaDe1ADh5KM

Jhaddix live training Givaway

https://tbhmlive.com/

ctbb.show/giveaway

New Website

ctbb.show

Fight music composed by Dayn Leonardson

https://www.daynleo.com/

Timestamps:

(00:00:00) Introduction

(00:02:00) Joel’s DEFCON Recap

(00:04:45) Prompt Injection Primer for Engineers by Rez0

(00:07:00) Portswigger Research and XSS

(00:08:36) Gunnar Andrews' talk on serverless architecture

(00:10:10) ‘Bug Hunter Methodology’ Course Giveaway

The Debate

(00:13:34) Zero-Day Policy and Payment for Vulnerabilities

(00:25:40) Disclosure

(00:33:52) Dupes (00:51:23) CVSS

(01:02:25) Budgets and Payouts

(01:15:00) Triage and Retesting

(01:34:55) Withholding Reports

(01:41:50) Root Cause Analysis

(01:52:25) Interacting with hacker reports from a security standpoint.

(01:58:50) Internal Activity on a Report

(02:01:15) Cost of running Bug Bounty Programs and LHE’s

Episode 33: In this episode of Critical Thinking - Bug Bounty Podcast, we welcome Inti De Ceukelaire, a seasoned bug hunter known for his creative storytelling and impactful show-and-tell bugs…and let us tell you, his stories do not disappoint! From his bug bounty journey to some pretty wild hacks, Inti captivates us as only Inti can. We discuss the potential life-saving impact of bug bounty reports, especially in areas such as transportation and medical devices. We also cover hacker mentality, the benefits of objective-based challenges, and the need for collaboration and alignment within the bug bounty community. It’s a mesmerizing episode, so sit back and be swept away by Inti’s tales.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today’s Guest:

https://twitter.com/securinti

Inti's Shopify Show-and-Tell

https://hackerone.com/reports/1086108

Hakluke's article on Bug Bounty Standards

https://github.com/hakluke/bug-bounty-standards

Researching MissingNo Glitch in Pokemon

https://youtu.be/p8OBktd42GI

Intigriti

https://www.intigriti.com/

Timestamps:

(00:00:00) Introduction

(00:03:01) Show-and-Tells and Storytelling in Live Hacking Events

(00:08:30) Impact Assessment and the potential real-life significance of reporting vulnerabilities.

(00:13:50) Ethical dilemmas, gaming the systems, and safe harbor.

(00:23:30) Inti’s Hacking Journey

(00:27:26) Hacker mentality, brainstorming, and goal-setting.

(00:46:28) The benefit of mental resets, fresh perspectives, and ‘surprise collaboration’

(00:52:55) Inti’s Story 1: CSS Injection bugs

(01:06:20) Inti’s Story 2: The Ticket Trick

(01:14:00) Inti’s Story 3: The Gotcha PasswordBug

(01:18:30) Upcoming Intigriti Live Hacking Event

Episode 32: In this episode of Critical Thinking - Bug Bounty Podcast, Joel caught a nasty bug (no, not that kind) so Justin is flying solo, and catches us up to speed on what's been happening in hacking news.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Smashing the State article

https://portswigger.net/research/smashing-the-state-machine?ps_source=portswiggerres&ps_medium=social&ps_campaign=race-conditions

Nagles Algorithm

https://en.wikipedia.org/wiki/Nagle%27s_algorithm

HTTP/2 RFC

https://httpwg.org/specs/rfc7540.html

Tweet by Alex Chapman

https://twitter.com/ajxchapman/status/1691103677920968704?s=20

Cookieless Duodrop IIS Auth Bypass

https://soroush.me/blog/2023/08/cookieless-duodrop-iis-auth-bypass-app-pool-privesc-in-asp-net-framework-cve-2023-36899/

Xss and .Net

https://blog.isec.pl/all-is-xss-that-comes-to-the-net/

Shopify Account Takeover

https://ophionsecurity.com/blog/shopify-acount-takeover

Short Name Guesser

https://github.com/projectmonke/shortnameguesser

Hacking Points.com

https://samcurry.net/Points-com/

Hacking Starbucks

https://samcurry.net/hacking-starbucks/

Bug Bounty Tag Request

https://twitter.com/ajxchapman/status/1688892093597470720

Sandwich Attack

https://www.landh.tech/blog/20230811-sandwich-attack

Timestamps:

(00:00:00) Introduction

(00:01:25) Smashing the State

(00:11:30) HTTP/2 RFC

(00:17:30) Cookieless Duodrop IIS Auth Bypass

(00:24:45) Takeovers and Tools

(00:32:30) Sam Curry writeup

(00:53:10) Community requests

(00:55:10) Sandwich Attacks

Episode 31: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to be joined by Alex Chapman, a seasoned InfoSec hacker and bug bounty hunter. We kick off with Alex sharing his hacking journey, from a guest lecturer that inspired him, to working on internal Red Teams, to his transition to working with HackerOne, and finally as a bug bounty hunter focusing on searching out those few, high impact bugs. We also discuss the power of collaboration, the challenges of balancing hacking with other responsibilities, and the necessity of flexibility and taking breaks in bug bounty work. Don't miss this episode where we explore the depths of bug bounty with Alex Chapman!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today’s Guest:

https://twitter.com/ajxchapman

@[email protected]

https://ajxchapman.github.io/

https://hackerone.com/ajxchapman?type=user

Perforce RCE

https://hackerone.com/reports/1830220

https://ajxchapman.github.io/bugreports/2019/04/04/perforce-local-file-disclosure.html

(00:00:00) Introduction

(00:01:50) Alex Chapman's InfoSec journey and evolution

(00:05:55) Real-world experience vs. chasing degrees, and the pivot into Bug Bounty

(00:13:12) The benefit of programming knowledge

(00:16:50) Experience in Internal Red Team and hacker mentalities.

(00:23:35) Transitioning to HackerOne and full time Bug Bounty

(00:33:37) Bug Bounty tips, time management, and best practices

(00:41:00) The importance of note-taking and organizational tools

(00:46:27) Hunting Methodologies and focusing on Critical Exploitations

(01:02:37) Collaboration in the hacking community

(01:06:00) Binary Exploitation and Source Code Review

(01:10:59) Configuration file injections

(01:17:38) Justin vs. Alex at a LHE

Episode 30: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to be joined by renowned bug bounty hunter Shubs. We kick off with him sharing his journey from burgers to bugs, and how his friendly rivalry with a fellow hacker fueled his passion for reconnaissance, as well as his love of collaboration. We then shift gears to talk about the art of debugging, ethics and economics of bug bounty hunting, the transition to Entrepreneur, and the evolution of Assetnote from a reconnaissance tool to enterprise security software suite. This one’s a banger, and we don’t want you to miss it!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today’s Guest:

@infosec_au

Intro Shoutouts

https://twitter.com/bebiksior

https://cvssadvisor.com/

Assetnote

https://www.assetnote.io/

https://twitter.com/assetnote

Bishop Fox

https://bishopfox.com/

Shortscan

https://github.com/bitquark/shortscan

XXE Payload

https://gist.github.com/Rhynorater/d0d19f757221a916a22476c3a5c6aba2

Timestamps

(00:00:00) Introduction

(00:05:48) History as a Hacker: Recon, rivalries, and Riot Games

(00:12:13) Collaboration and Community in Bug Bounty

(00:18:19) The Art of Debugging

(00:21:48) Assetnote News and overview

(00:30:43) CVE reversing

(00:32:58) Zero-day vulns

(00:42:48) Bug Bounty Ethics and Economics

(00:52:53) Bug Bounty and Entrepreneurship

(01:03:58) Business lessons learned

(01:07:48) Advice for Hunters looking to grow

(01:12:38) IIS Server Techniques

Episode 29: In this episode of Critical Thinking - Bug Bounty Podcast sit down with Assetnote Engineer Sean Yeoh, and pick his brain about what he's learned on his development journey. We talk about the place and importance of message brokers, and which ones we like best, as well as his engineering philosophy regarding bottleneck prevention and the importance of pursuing optimization. Don't miss this episode of terrific technical tips!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today’s Guest:

https://twitter.com/seanyeoh

Assetnote

https://www.assetnote.io/

https://twitter.com/assetnote

XKCD automation graph

https://xkcd.com/1319/

Github repository

https://github.com/alex/what-happens-when

Article about Queues

https://archive.is/Nan4e

NATS

https://nats.io/

MongoDB

https://www.mongodb.com/

Timestamps:

(00:00:00) Introduction

(00:01:18) Story of Assetnote

(00:05:20) Message Brokers and event-driven architectures

(00:11:15) Preventing bottlenecks and pursuing optimization

(00:21:35) Using a profiler

(00:28:30) Choosing a Message Broker

(00:33:00) Kubernetes and Conntrack Limits

(00:37:13) Databases

(00:46:30) Bug bounty tips: Sub-domain vs. IP Address

(00:51:15) Engineering quandaries

(00:53:38) DNS Wildcards

Episode 28: In this episode of Critical Thinking - Bug Bounty Podcast, the CSRF’s up, dude! We kick off with a debate about whether or not deep link vulns in mobile apps can be considered CSRF. We also talk browser extensions and tools like Hackbar, PwnFox, and JS Weasel, and Justin tries to invent a whole new vuln term. There’s plenty of good stuff here, so what are you waiting for? Jump on in!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

rez0's latest tip

https://twitter.com/rez0__/status/168134822190014466019

Hackbar

https://addons.mozilla.org/en-US/firefox/addon/hackbartool/

PwnFox

https://twitter.com/adrien_jeanneau/status/1681364665354289152

JS Weasel

https://www.jswzl.io/

Charlie Eriksen

https://twitter.com/CharlieEriksen

Link to talk by Rojan

https://twitter.com/uraniumhacker/status/1681381857383030785

Bypassing GitHub's OAuth flow

https://blog.teddykatz.com/2019/11/05/github-oauth-bypass.html

Great SameSite Confusion

https://jub0bs.com/posts/2021-01-29-great-samesite-confusion/

Check out Nahamsec's Channel

https://www.youtube.com/c/nahamsec

Timestamps:

(0:01:45) The deep link debate

(00:08:00) LHE and in-person interviews

(00:09:25) SQLMAP and raw requests

(00:11:11) Hackbar, PwnFox, and browser extensions

(00:16:45) JS Weasel tool and its features

(00:25:28) Rojan's Research and Public Talks

(Start of main content)

(00:28:36) Cross-Site Request Forgery (CSRF)

(00:35:00) Bypassing GitHub's OAuth flow

(00:45:00) A Small SameSite Story

(00:48:50) CSRF Exploitation Techniques

(01:07:15) CSRF Bug Stories

(01:15:30) NahamSec and DEFCON

Episode 27: In this episode of Critical Thinking - Bug Bounty Podcast, we've switched places and now Joel is home while Justin is on the move. We break down seven esoteric web vulnerabilities, and talk Cookies, Config File Injections, Client-side path traversals and more. We also briefly discuss appliance hacking, new tools, and shout out some new talent in the hacking space. Don't miss this episode full of cool vulns, and experience Justin's vocal decline in real time.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Encrypted Doesn't Mean Authenticated:

https://blog.assetnote.io/2023/07/04/citrix-sharefile-rce/

Tweet about headless chrome browser

https://twitter.com/bhavukjain1/status/1678719047209484288?t=NWnZvwHTRMyH_lVC-uXe0g&s=19

Shout out to new talent within the hacking space

https://twitter.com/haxrob

https://twitter.com/atc1441

Tweet about hacking Google Search Appliance

https://twitter.com/orange_8361/status/1677378401957724160

Bitquark releases shortscan

https://twitter.com/bitquark/status/1677647450989838338

Hacking Starbucks

https://samcurry.net/hacking-starbucks/

Justin's CookieJar Tool

https://apps.rhynorater.dev/checkCookieJarOverflow.html

HackTricks

https://book.hacktricks.xyz/pentesting-web/hacking-with-cookies/cookie-jar-overflow

XSLeak

https://xsleaks.dev

Timestamps:

(00:00:00) Introduction

(00:04:00) Assetnote on ShareFile RCE

(00:13:05) Headless Browsers

(00:17:00) Hacker Content Creators

(00:22:51) Appliance Hacking

(00:30:31) Shortscan Release

(Start of main content)

(00:35:39) Config File Injection

(00:44:00) Client-side Path Traversal

(00:51:33) Cookie Bombing

(00:58:00) Cookie Jar Overflow

(01:03:50) XSLeak

(01:10:49) UNC Path Injection

(01:15:50) Impactful Link Hijack

In this episode of Critical Thinking - Bug Bounty Podcast, we're back with Joel, fresh (haha) off of back-to-back live hack events in London and Seoul. We start with his recap of the events, and the different vibes of each LHE, then we dive into the technical thick of it, and talk web browsers, XSS vectors, new tools, CVSS 4, and much more than we can fit in this character limit. Just trust us when we say you don’t want to miss it!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

______

Episode 26 links:

https://linke.to/Episode26Notes

______

Timestamps:

(00:00:00) Introduction

(00:04:10) LHE Vibes

(00:07:45) "Hunting for NGINX alias traversals in the wild"

(00:12:30) Various payouts in bug bounty programs

(00:16:05) New XSS vectors and popovers

(00:24:15) The "magical math element" in Firefox

(00:27:15) LiveOverflow's research on HTML parsing quirks

(00:32:10) Mr. Tux Racer, Woocommerce, and WordPress

(00:40:00) Changes in the CVSS 4 draft spec

(00:45:00) TomNomNom's new tool Jsluise

(00:51:15) JavaScript's import function

(00:55:30) Gareth Hayes' book "JavaScript for Hackers"

(01:02:24) Injecting JavaScript variables

(01:09:15) Prototype pollution

(01:13:15) DOM clobbering

(01:18:10) Exploiting HTML injection using meta and base tags

(01:25:00) CSS Games

(01:28:00) Base tags

Episode 25: In this episode of Critical Thinking - Bug Bounty Podcast we talk to Cosmin (@Inhibitor181), fresh off of winning his 2nd MVH! We chat about the time management and strategy of hacking Multi-Target LHEs, determining when to pivot, and how to find normalcy in bug bounty hunting and Live Hacking Events. We also touch on setting up Vuln Pipelines, creating mental models, and Cosmin's terrifying naming schemes. Don't miss this episode packed with both laughs and valuable insights for beginners and seasoned bug bounty hunters alike.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today’s Guest:

https://twitter.com/inhibitor181

Justin's weird episode with all the Dr. Suess Shit

https://rss.com/podcasts/ctbbpodcast/966055/?listen-on=true

Timestamps:

(00:00:00) Introduction

(00:02:52) MVH club and Multi-Target stragety

(00:12:00) Deciding when to pivot

(00:17:00) File Organization and 'unique' naming approaches

(00:23:56) Staying up to date on features and updates

(00:25:46) Hacking Sleep Habits

(00:28:15) Finding 'Normal Life' in bug bounty and LHE

(00:33:30) Vuln Pipelines, Wordlists, and full time bug bounty tips

(00:44:15) Benefits of the Bug Bounty Community

(00:47:45) Relationships with target companies and programs

(00:53:15) Creating mental models

(01:00:30) The Importance of writing good reports

(01:04:30) How to choose what to hack

Episode 24: In this episode of Critical Thinking - Bug Bounty Podcast, we chat with Daniel Miessler and Rez0 about the emergence and potential of AI in hacking. We cover AI shortcuts and command line tools, AI in code analysis and the use of AI agents, and even brainstorm about the possible opportunities that integrating AI into hacking tools like Caido and Burp might present. Don't miss this episode packed with valuable insights and cutting-edge strategies for both beginners and seasoned bug bounty hunters alike.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today’s Guests:

https://twitter.com/rez0__

https://twitter.com/DanielMiessler

Daniel Miessler’s Unsupervised Learning

https://danielmiessler.com/

Simon Willison's Python Function Search Tool

https://simonwillison.net/2023/Jun/18/symbex/

oobabooga - web interface for models

https://github.com/oobabooga/text-generation-webui

State of GPT

https://karpathy.ai/stateofgpt.pdf

AI Canaries

https://danielmiessler.com/p/ai-agents-canaries

GPT3.5

https://community.openai.com/t/gpt-3-5-turbo-0613-function-calling-16k-context-window-and-lower-prices/263263

GPT Engineer

https://github.com/AntonOsika/gpt-engineer

Timestamps:

(00:00:00) Introduction

(00:05:40) Using AI for hacking: Developing hacking tools and workflow shortcuts

(00:11:40) GPT Engineer and Small Developer for Security Vulnerability Mapping

(00:22:40) The potential dangers of centralized vs. decentralized finance

(00:24:10) Ethical hacking and circumventing ChatGPT restrictions

(00:26:09) AI Agents, Reverse API, and Encoding/Decoding Tools

(00:31:45) Limitations of AI in context window and processing large JavaScript files

(00:36:50) Meta-prompter: Enhancing prompts for accurate responses from GPT

(00:41:00) GPT-35 and the new 616K context model

(45:08) Creating a loader for Burp Suite files or Caido instances

(00:54:02) Hacking AI Features: Best Practices

(01:00:00) AI plugin takeover and the need for verification of third-party plugins and tools

Episode 23: In this episode of Critical Thinking - Bug Bounty Podcast, we delve into a different aspect of hardware - Our personal loadouts. We go through the equipment and gear we use to get our jobs done, and share stories about why we picked what we have. We also touch on live hacking events, the growing acceptance of white hat hacking, and some pretty cool news going on in the hacker world. Don't miss this episode packed with tips and strategies for both beginners and seasoned hackers alike!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Blog post on hacking root EPP servers

https://hackcompute.com/hacking-epp-servers/

Behind this Website:

https://github.com/jonkeegan/behind-this-website

Tweet about vRealize Network Insight: https://summoning.team/blog/vmware-vrealize-network-insight-rce-cve-2023-20887/

Zoom's new vulnerability impact scoring system:

https://viss.zoom.com/specifications

Uplift Desks

https://www.upliftdesk.com/

Synergy

https://symless.com/synergy

Ahnestly chair reviews:

https://www.youtube.com/c/Ahnestly

Our producer’s new audio drama ‘Homicide at Heavensgate’

https://link.sentinelstudios.net/homicide

Timestamps:

(00:00:00) Introduction

(00:02:28) Navigating hacking events and imposter syndrome

(00:06:30) Blog post on hacking root EPP servers

(00:10:01) The growing acceptance of white-hat hacking

(00:12:25) Finding Website Owners and Contact Information

(00:16:45) VMware vRealize Network Insight CVEs and nginx reverse proxy bypass

(00:21:30) Zoom's new vulnerability impact scoring system

(00:27:24) The Importance of Analyzing Systemic Problems in Black Box Testing

(00:30:40) Documentation, Vulnerable by Design, and acceptable risk

(Start of main content)

(00:34:37) Leveling up your Hacker Setup

(00:37:13) The Importance of your body

(00:41:30) Investing in ergonomic equipment for computer work

(00:42:27) Standing Desks: Uplift Desk and DIY standing desk options

(00:46:00) Portable Tables: Flexible Workspace Solutions

(00:47:30) Monitor Setup

(00:54:40) Synergy: One keyboard and mouse across multiple devices

(00:57:20) Capture Card: Using it as a software display

(00:58:58) Keyboards and mice

(01:03:27) Using a Chromebook for lightweight hacking

(01:08:57) Chair Reviews: The Niche World of High-End Chairs

Episode 22: In this episode of Critical Thinking - Bug Bounty Podcast we talk about some basic/intermediate concepts related to Hardware Hacking. Specifically, we dive into extracting data from eMMC chips in order to get our hands on source code for IoT devices. Don't miss this episode packed with valuable insights, tips, and strategies for beginners and seasoned bug bounty hunters alike!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Checkout NahamCon:

https://bit.ly/42vnpMS

RiverLoop Security Write-up: https://bit.ly/3oSKL1o

Good Chip-Off Write-up:

https://bit.ly/3IWym3q

Scratching chips to expose pins:

https://bit.ly/45Tj21i

https://bit.ly/3oJJt8Z

Chat with Corben on Degrees: https://youtu.be/N9P5PUx-PNQ?t=2311

Gareth Hayes Tweet:

https://bit.ly/3qvFNYW

Huntress - John Hammond - MoveIt Response:

https://bit.ly/42vTTXv

Critical Thinking Hardware Hacking Setup - See the gear we're talking about (Affiliate links): https://linke.to/hardwarehackingset

Timestamps:

(00:00:00) Introduction

(01:03) NahamCon's Live Hacking Event and Justin's Presentation on PCI DSS

(02:40) Depreciation of Data URLs in SVG Use Element

(04:55) Gareth Hayes and knowledge sharing in the hacking community

(07:50) Move It vulnerability and and John Hammond’s epic 4 am rants

(12:18) Identifying promising leads in bug bounty hunting, and knowing when to move on

(Start of main content)

(21:40) Hardware Recon, and using Test Pins to Access EMMC Chip

(26:16) Identifying Chip Pinouts and Continuity Testing

(29:01) Using Logic Analyzers for Hardware Hacking

(33:01) Importance of Fundamental Knowledge in Hacking, and the benefits of understanding Electrical Engineering

(35:46) Replay Protected Memory Block Protocol

(40:00) Bug Bounty Programs and Hardware Testing Support

(41:05) Chip Pulling techniques and Essential Equipment for Hardware Hacking

(59:50) Tips for Buying Hardware Hacking Tools: Research and Specific Use Cases

(01:06:35) Hardware Hacking: Just scratching the surface.

(01:08:45) Vulnerability Disclaimer: Pulling OS from a chip does not constitute a Vulnerability.

In this episode of Critical Thinking - Bug Bounty Podcast, we chat with Corben Leo about his journey in bug bounty hunting and ethical hacking. We discuss the state of DNS rebinding in 2023, a Twitter thread by Douglas Day (@ArchAngelDDay) on one-hundred bug bounty rules, and our own unique approaches to bug hunting. We also discuss Corben's recon-focused bug hunting methodology and how he developed it. Don't miss this episode filled with valuable tips, insights, and Corben's Boring Mattress Company.

Follow us on twitter at: @ctbbpodcast

Get on our newsletter for some exclusive content: https://www.criticalthinkingpodcast.io/subscribe

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Today’s Guest:

https://twitter.com/hacker_

Article on the State of DNS Rebinding in 2023:

https://research.nccgroup.com/2023/04/27/state-of-dns-rebinding-in-2023/

See @ArchAngelDDay's twitter thread about 100 bug bounty rules:

https://twitter.com/ArchAngelDDay/status/1661924038875435008

Talkback - Cybersecurity news aggregator:

https://talkback.sh/

PyPI announces mandatory 2FA:

https://www.bleepingcomputer.com/news/security/pypi-announces-mandatory-use-of-2fa-for-all-software-publishers/

Timestamps:

(00:00:00) Introduction

(01:05) State of DNS rebinding in 2023

(04:40) 100 Bug Bounty Rules by @ArchAngelDDay

(05:30) Give yourself a ‘no bug’ limit

(07:00) The value of reporting Low and Medium Bugs for Bug Bounty Programs

(11:15) Reporting Out of Scope Bugs

(14:30) Reporting IDORs as Access Control Bugs

(17:28) Talkback

(18:12) PyPI's mandatory 2FA implementation for software publishers

(Start of main content)

(20:07) Starting out in bug bounty/ethical hacking

(25:00) Hacking methodology and mentorship

(28:15) Identifying Load Balancers

(33:20) Triage and live events:

(38:30) College and Computer Science vs. Cybersecurity

(45:45) Importance of writing for the Hacker Community

(51:21) Storytelling and report writing.

(55:00) When to stop doing recon and start hacking

(01:00:58) Lessons Learned from BreachlessAI and the pivot to Boring Mattress Co.

Episode 20: In this episode of Critical Thinking - Bug Bounty Podcast, we dive into the world of "hacker brain hacks'' and overcoming challenges in bug bounty hunting. We discuss custom word lists, the rising popularity of Caido as a potential Burp Suite replacement, and Cloudflared tunnels for hosting POCs. We also tackle the mental aspects of bug bounty hunting, from procrastination to imposter syndrome, and share tips for staying motivated and avoiding burnout. Don't miss this episode packed with valuable insights and advice for both beginners and seasoned bug bounty hunters!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Caido:

https://caido.io

Tweet from D3mondev on Sequence Diagram:

https://twitter.com/d3mondev/status/1660803152755453952

Sequence diagram software:

https://sequencediagram.org

Timestamps:

(00:00:00) Introduction

(00:02:36) "Sequence Diagram": Sequence mapping for PoCs

(00:04:10) "SubReconGPT": AI and GPT in Bug Bounty Hacking

(00:08:30) "Caido": A Potential Replacement for Burp Suite

(00:11:34) HackerOne's New Features

(00:13:00) Cloudflared Tunnels for Red Team Assessments and Payload Hosting

(00:16:07) Mental challenges in Bug Bounty Hunting

(00:17:50) Procrastination Education: Letting fear of failure drive you into always learning, never doing.

(00:22:46) Analysis Paralysis: Starting with Bug Bounty Programs vs VDPs

(00:27:07) Automation Obsession: "When you're hacking, hack. When you're automating, automate."

(00:14:34) Imposter Syndrome: You may not be the best, but you're not the worst either.

(00:31:55) Motivation Deprivation: Stay curious, and set tiered goals

(00:36:07) Automation Obsession pt2: Do we need to say it again?

(00:37:25) Reconnaissance Cognizance: Spending too much time on recon and not enough time on hacking

(00:40:00) Bad Rabbit Holes, RIP Your Goals: Identifying good and bad rabbit holes

(00:46:01) Set Your Goal Poles: Setting specific goals for yourself.

(00:48:29) Impact Lacked: Fixating on something that's funky, but simply doesn’t really have impact

(00:51:00) The Burn-out turn-out: Mending, maintenance, and finding identity and self-worth outside hacking

(00:58:19) Responsibility Volatility: Balancing Responsibilities and Freedom as a Bug Bounty Hunter

(01:00:30) Payout Phase-out: Don't stop once you've found one bug.

(01:02:04) Report on URN Injection

Episode 19: In this episode of Critical Thinking - Bug Bounty Podcast we further discuss some tips and tricks for finding vulns once you’ve got source code and some banger tweets/tools that popped up in our feed this week.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Part 1:

https://open.spotify.com/episode/2pdTaWHSzl9CY7PgRQtvTi

Noperator’s Zip-Snip: https://twitter.com/noperator/status/1658313637189111808

https://github.com/noperator/zip-snip

https://noperator.dev/posts/zip-snip/

Insecure’s SIP Bugs: https://twitter.com/ifsecure/status/1656591469518495745

AssetNote’s Sitecore Bugs: https://blog.assetnote.io/2023/05/10/sitecore-round-two/

Fyooer’s Shadow Clone: https://github.com/fyoorer/ShadowClone

Episode 18: In this episode of Critical Thinking - Bug Bounty Podcast, we dive into everything source-code related: how to get source-code and what to do with it once you have. This episode is packed with great examples of successful source code review, tips on how to review code yourself, and the tools you'll need along the way.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Crossing the KASM:

https://www.youtube.com/watch?v=NwMY1umhpgg

PWNAssistant by Elttam:

https://www.elttam.com/blog/pwnassistant/#content

Andre's Git Arbitrary Configuration Injection:

https://blog.ethiack.com/en/blog/git-arbitrary-configuration-injection-cve-2023-29007

Jub0b's a Smorgasbord of a Bug Chain:

https://jub0bs.com/posts/2023-05-05-smorgasbord-of-a-bug-chain/

Ankur Sundara's Cookie Bugs - Smuggling & Injection:

https://twitter.com/ankursundara/status/1654556463703134208?t=7nTUSszPB6fS3MkATzxpaQ&s=19

James Kettle's Notes on Novel Pathways to Poisoning (cool quirks in here):

https://twitter.com/albinowax/status/1654767919690031106?t=vbVEOML5_QnWByi0m8Nv4A&s=19

Ignore Irrelevant Scripts During Debugging by Johan Carlsson:

https://twitter.com/joaxcar/status/1653787336105156616

Every known way to get references to windows:

https://bluepnume.medium.com/every-known-way-to-get-references-to-windows-in-javascript-223778bede2d

VS Code Todo Highlight:

https://marketplace.visualstudio.com/items?itemName=wayou.vscode-todo-highlight

VS Code:

https://code.visualstudio.com/

Episode 17: In this episode of Critical Thinking - Bug Bounty Podcast we talk with five legendary hackers about some of their favorite bugs. Live. From LA.

Corben Leo “Lorben CEO” @hacker_

Sam “ZLZ” “ZOZL” “The King” Curry @samwcyo

Frans “The Legend” Rosen @fransrosen

Jonathan “Doc” Bouman @JonathanBouman

Nagli…NagliNagli @naglinagli

Shoutout to Jonathan Bouman’s Mom!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

FOLLOW OUR LINKEDIN ACCOUNT FOR NAGLI:

https://www.linkedin.com/company/ctbbpodcast

Sam Curry’s shoutout - Ian Carrol’s Seats.Aero: https://seats.aero/

Episode 16: In this episode of Critical Thinking - Bug Bounty Podcast we talk about the hacker’s toolkit. Joel and Justin talk about their VPS setup, go-to hacking tools, most often used Linux commands, and the ways they duct tape all of these together for the big hacks.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on Twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Our Boi @rez0__ Dropping Some AI Hackz:

https://twitter.com/rez0__/status/1648685943539245056?s=20

LiveOverflow Prompt Injection:

https://www.youtube.com/watch?v=Sv5OLj2nVAQ

Joel’s Private Network Solution:

https://www.zerotier.com/

Stok & Tomnomnom on Vim/Bash:

https://www.youtube.com/watch?v=l8iXMgk2nnY

Latest GhostScript RCE:

https://offsec.almond.consulting/ghostscript-cve-2023-28879.html

Intigriti CSRF Basics & Jub0b's Legendary SameSite Article:

https://twitter.com/intigriti/status/1646104705561403398

https://jub0bs.com/posts/2021-01-29-great-samesite-confusion/

Nahamcon:

http://nahamcon.com/

Pentah0wnage:

https://research.aurainfosec.io/pentest/pentah0wnage/

DNSChef:

https://github.com/iphelix/dnschef

Httpx:

https://github.com/projectdiscovery/httpx

Espanso:

https://espanso.org/

GoWitness:

https://github.com/sensepost/gowitness

Episode 15: In this episode of Critical Thinking - Bug Bounty Podcast we talk with the latest Million-Dollar bug bounty hunter: @naglinagli . He talks about his climb from $1,000 in bounties to $1,000,000, recon tips and tricks, and some bug reports that made the news and landed him the "Best Bug" award at a H1 Live Hacking event.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Follow Nagli and his new startup Shockwave:

https://twitter.com/naglinagli

https://twitter.com/shockwave_sec

HackMD Collaborative Notes:

https://hackmd.io/

Ian Carroll's Airline Miles Website:

https://seats.aero

Nagli's Tweet in ChatGPT Web Cache Deception:

https://twitter.com/naglinagli/status/1639343866313601024

Timestamps:

(00:00:00) Intro

(00:04:40) Nagli’s Climb

(00:05:40) What kind of vulns do you look for?

(00:09:25) Working with other hackers

(00:10:20) Bug Bounty Hunter’s Guild

(00:12:35) Shockwave product

(00:14:12) Outsourcing tool development

(00:18:46) What got you started?

(00:21:13) Manual hacking vs recon suite + LHE focus

(00:25:00) How do you take notes

(00:29:42) Biggest things that you’ve learned over the past 2 years

(00:31:29) How do you ingest new techniques?

(00:31:50) Collaboration

(00:37:20) Justin Ranting about “Trained Eyes”

(00:40:18) Time spent coding vs hacking

(00:45:28) Travel and spending habits

(00:54:16) Grep is Nagli’s database

(00:56:20) Nagli’s ChatGPT Web Cache Deception

(00:58:44) What does your alerting look like?

(01:01:50) Nagli’s “Most Critical” SSRF

(01:04:30) Burp Active Scan

Episode 14: In this episode of Critical Thinking - Bug Bounty Podcast we talk about Dynamic Analysis within Mobile Hacking and a bunch of random hacker stuff. It's a good time. Enjoy the pod.

Follow us on Twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on Twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Joel’s Alternative to UberTooth One:

https://www.amazon.com/Bluetooth-UD100-G03-Exchangeable-Bluesoleil-Microsoft/dp/B0161B5ATM

D3monDev’s Burp VPS Plug-in:

https://github.com/d3mondev/burp-vps-proxy

FireProx:

https://github.com/ustayready/fireprox

Joel’s Universal SSL De-pinning Frida Script:

https://gist.github.com/teknogeek/4dc35fb3801bd7f13e5f0da5b784c725

Command-line Fuzzy Finder:

https://github.com/junegunn/fzf

Justin’s two article recommendations for using Frida:

https://tinyurl.com/5n94d6ry

https://tinyurl.com/yfy3n5f5

Copy screen of physical device:

https://tinyurl.com/ymdrscm5

Flipper:

https://flipperzero.one/

BetterCap BLE Module:

https://www.bettercap.org/modules/ble/

Timestamps:

(00:00:00) Intro

(00:00:55) Hacker Chats

(00:03:27) Podcast Content Commentary

(00:04:09) SSRF Rebinding Error Confession

(00:06:02) Flipper Zero

(00:07:58) Bettercap BLE

(00:09:36) Sena USB Bluetooth Adapter

(00:12:41) Burp VPS Proxy Plugin

(00:13:55) Fireprox

(00:15:40) Dynamic Mobile Hacking

(00:17:40) Dynamic Analysis Overview

(00:18:18) Emulator Talk

(00:24:29) Joel’s APK Analysis Flow

(00:26:30) Cert Pinning

(00:32:17) Joel’s SSL Cert Pinning Script

(00:35:29) Hands-on look at Frida

(00:50:11) Frida on Non-rooted Devices

(00:58:22) Tracing Errors to Overwritable Functions

(01:00:39) Native Libraries

(01:09:18) GenyMobile Screen Mirroring Tool

(01:11:50) Justin’s Report of the Day and Custom SSL Pinning

(01:18:15) Joel’s First Ever Bug, Jailbreak Detection Bypass

Episode 13: In this episode of Critical Thinking - Bug Bounty Podcast we talk about how to determine if a bug bounty program is good or not from the policy page. We also cover some news including Acropalypse, ZDI's Pwn2Own Competition, Node's Request library's SSRF Bypass, and a new scanning tool by JHaddix.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

JHaddix AWSScrape Tool:

https://twitter.com/Jhaddix/status/1637140192728612865?s=20

Acropalypse Links:

https://twitter.com/ItsSimonTime/status/1636857478263750656

https://www.da.vidbuchanan.co.uk/blog/exploiting-acropalypse.html

https://twitter.com/David3141593/status/1638222624084951040

https://twitter.com/David3141593/status/1638293029059477505

SSRF Bypass in NodeJS:

https://blog.doyensec.com/2023/03/16/ssrf-remediation-bypass.html

ZDI's Pwn2Own:

https://twitter.com/thezdi

Kuzu7shiki's Awesome Pixiv Report:

https://hackerone.com/reports/1861974

https://twitter.com/kuzu7shiki

Some of the Programs we talk about:

https://hackerone.com/instacart

https://hackerone.com/semrush

https://hackerone.com/yahoo

https://hackerone.com/paypal

Episode 12: In this episode of Critical Thinking - Bug Bounty Podcast we talk with Jason Haddix about his eclectic hacking techniques, Hacker -> Hacker CISO life, and some crazy vulns he found. This episode is chock full of awesome tips so give it a good listen!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Follow JHaddix on Twitter:

https://twitter.com/jhaddix

BuddoBot:

https://buddobot.com/

BC Hunt:

https://github.com/bugcrowd/HUNT/blob/master/README.md

One List For All:

https://github.com/six2dez/OneListForAll

AssetNote Wordlists:

https://wordlists.assetnote.io/

Backslash Powered Scanner:

https://portswigger.net/bappstore/9cff8c55432a45808432e26dbb2b41d8

Jason’s Handy Dandy Acronyms:

SSWLR - Sensitive Secrets Were Leaked Recently

• Status

• Size

• Words

• Lines

• Response Time

COTS Software - Common Off-The-Shelf Software

Episode 11: In this episode of Critical Thinking - Bug Bounty Podcast we talk about CVSS (the good, the bad, and the ugly), Web Cache Deception (an underrated vuln class) and a sick SSTI Joel and Fisher found.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

MDSec Outlook Vuln:

https://twitter.com/MDSecLabs/status/1635791863478091778

Jub0bs User-Existance Oracle Tweet:

https://twitter.com/jub0bs/status/1633786349529513986

James Kettle's Tweet About BB ID Header Standardization:

https://twitter.com/albinowax/status/1635951506791755776

15K Snapchat Numeric IDOR:

https://hackerone.com/reports/1819832

Bug Bounty Reports Explained:

https://www.bugbountyexplained.com/

CVSS Calculator:

https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator

Web Cache Deception Write-up:

https://www.blackhat.com/docs/us-17/wednesday/us-17-Gil-Web-Cache-Deception-Attack.pdf

Episode 10: In this episode of Critical Thinking - Bug Bounty Podcast we talk about what its like to be a full-time bug bounty hunter, a tonne of bug bounty news, and some great report summaries from Justin’s two mentees: Kodai and Soma.

Follow us on twitter at: https://twitter.com/ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

HackVertor https://portswigger.net/bappstore/65033cbd2c344fbabe57ac060b5dd100

Not_An_Aardvark (Teddy Katz) Blog: https://blog.teddykatz.com/

Tweets from PortSwigger Research:

https://twitter.com/PortSwiggerRes/status/1632742844535324677

https://twitter.com/PortSwiggerRes/status/1630221223874445314

https://twitter.com/PortSwiggerRes/status/1629131380473970688

HackerOne LHE Standards: https://www.hackerone.com/hackerone-community-blog/get-invited-how-live-hacking-event-invites-have-changed

Rez0 Bug Bounty Tweet: https://twitter.com/rez0__/status/1553371602770960384?t=NCr_esHcEts9PrcjxIZ5uw&s=19

Rojan’s Github Bug: https://twitter.com/uraniumhacker/status/1633199768263593984

Goodbye Daily Swig: https://portswigger.net/daily-swig/were-going-teetotal-its-goodbye-to-the-daily-swig

Gareth Heyes JavaScript for Hackers:https://leanpub.com/javascriptforhackers/

Episode 9: In this episode of Critical Thinking - Bug Bounty Podcast we talk about Headless Browser SSRF and drop a tool called RebindMultiA. Joel also walks us through a web3 bug and we cover some bug bounty news from the past week. As always, we drop some bug bounty tips and give you some attack vectors to think about.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Truffle Security End-To-End Encryption Video:

https://www.youtube.com/watch?v=BBcZcoIZ1Jc

HackerOne World Cup:

https://www.hackerone.com/hackers/brand-ambassador-program

HackerOne World Cup Sign Up Form for USA:

https://docs.google.com/forms/d/e/1FAIpQLSeRQpH2y0J-opxlsz8dPkvnIu8BqC_DA3CJe_eFhTFroPwdcg/viewform

ChatGPT API:

https://openai.com/blog/introducing-chatgpt-and-whisper-apis

Megachad RobertMD GitHub Issue:

https://github.com/nccgroup/singularity/issues/2

Justin’s RebindMultiA Tool:

https://github.com/Rhynorater/rebindMultiA

Brandon Dorsey’s WhoNow Tool:

https://github.com/brannondorsey/whonow

NCC Group’s Singularity:

https://github.com/nccgroup/singularity

Chromium Disclosed Bugs:

https://chromium-disclosed-bugs.appspot.com/

NahamSec Talk on Headless Browser SSRF:

https://docs.google.com/presentation/d/1JdIjHHPsFSgLbaJcHmMkE904jmwPM4xdhEuwhy2ebvo/htmlpresen

Jonathan Bowman - LFI via <annotation>:

https://medium.com/@jonathanbouman/local-file-inclusion-at-ikea-com-e695ed64d82f

WASM Port Scanning:

https://github.com/avilum/portsscan

Jack Halon - Chrome Browser Exploitation:

https://twitter.com/jack_halon/status/1583957704930131968

DNSChef:

https://github.com/iphelix/dnschef

Episode 8: In this episode of Critical Thinking - Bug Bounty Podcast we drop some critical bugs which leak raw credit card info. We also discuss some CSS Injection & PostMessage related techniques. It's a short one but a good one! Don't miss it!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

CSS Escape Blog Post:

https://mathiasbynens.be/notes/css-escapes

Rez0’s blog on ChatGPT:

https://rez0.blog/hacking/2023/02/21/hacking-with-chatgpt.html

All the ways to get a reference to a frame (shoutout to @wcbowling for the article):

https://bluepnume.medium.com/every-known-way-to-get-references-to-windows-in-javascript-223778bede2d

CSS Painting API:

https://developer.mozilla.org/en-US/docs/Web/API/CSS_Painting_API

Import Chaining:

https://d0nut.medium.com/better-exfiltration-via-html-injection-31c72a2dae8b

Episode 7: In this episode of Critical Thinking - Bug Bounty Podcast we talk about PortSwigger's Top 10 Web Hacking Techniques of 2022 (link below), some drama surrounding TruffleSecurity's XSS Hunter, and, as always, some great bug bounty tips.

Sorry if the audio is a little rough around the edges this time, should be better than ever next time.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

PortSwigger's Top 10 Web Hacking Techniques of 2022:

https://portswigger.net/research/top-10-web-hacking-techniques-of-2022

Ian Carroll Cookie Monster:

https://github.com/iangcarroll/cookiemonster

Frans Rosen's postMessage Tracker Chrome Extension:

https://github.com/fransr/postMessage-tracker

Notes from Justin on postMessages:

https://rhynorater.github.io/postMessage-Braindump

Frans Rosen's research on nginx misconfiguration that are similar to #6:

https://blog.detectify.com/2020/11/10/common-nginx-misconfigurations/

"Mount" Wycheproof 😂:

https://github.com/google/wycheproof

https://en.wikipedia.org/wiki/Mount_Wycheproof

Nathan Davison - Abusing Hop-by-Hop headers:

https://nathandavison.com/blog/abusing-http-hop-by-hop-request-headers

Awesome example of client-side path traversal:

https://erasec.be/blog/client-side-path-manipulation/

Joohoi Ffuf 2.0:

https://infosec.exchange/@joohoi/109806822104162973

FeroxBuster:

https://github.com/epi052/feroxbuster

Episode 6: In this episode of Critical Thinking - Bug Bounty Podcast we sit down with mobile hacking legend Joel Margolis and get the scoop on his approach to popping bugs on Android.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Joel’s HackerOne Android Hacking Introduction:

https://t.ly/f87D

Android Pixel Lock Screen Bypass

https://t.ly/Q_qq

Exploiting Deeplink URLs:

https://inesmartins.github.io/exploiting-deep-links-in-android-part1/index.html

Joel’s get_schemas tool:

https://github.com/teknogeek/get_schemas

Example AndroidManfest.xml we referenced:

https://t.ly/mcN1

https://t.ly/ErVV

Android docs for intent filters:

https://developer.android.com/guide/components/intents-filters.html

Android docs for “setAllowContentaccess”:

https://t.ly/hXOZ

Android docs for “setAllowFileAccess”:

https://developer.android.com/reference/android/webkit/WebSettings#setAllowFileAccess(boolean)

Add JavaScript Interface to Webview:

https://developer.android.com/reference/android/webkit/WebView#addJavascriptInterface(java.lang.Object,%20java.lang.String)

Joel’s SSL Pinning Bypass:

https://gist.github.com/teknogeek/4dc35fb3801bd7f13e5f0da5b784c725

Google Chrome Docs for Intent URLs:

https://developer.chrome.com/docs/multidevice/android/intents/#considerations

Joel’s Bug Bounty Report:

https://hackerone.com/reports/423467