ISC StormCast for Monday, August 26th 2019

Simple Mimikatz And RDPWrapper Dropper
https://isc.sans.edu/forums/diary/Simple+Mimikatz+RDPWrapper+Dropper/25262/
Malware Impersonating IRS
https://www.irs.gov/newsroom/security-summit-warns-of-new-irs-impersonation-email-scam-reminds-taxpayers-the-irs-does-not-send-unsolicited-emails
Instagram Phishing with 2FA Codes
https://nakedsecurity.sophos.com/2019/08/23/instagram-phishing-uses-2fa-as-a-lure/
GitHub Adding WebAuthn Support
https://www.theregister.co.uk/2019/08/23/github_upgrades_its_twofactor_authentication_with_webauthn_support/
Lenovo Solution Center Privilege Escalation
https://www.pentestpartners.com/security-blog/privesc-in-lenovo-solution-centre-10-minutes-later/