ISC StormCast for Monday, June 18th 2018

SMTP Strangeness - Possible C2
https://isc.sans.edu/forums/diary/SMTP+Strangeness+Possible+C2/23770/
Encrypted Office Documents
https://isc.sans.edu/forums/diary/Encrypted+Office+Documents/23774/
Recent Port 8000 Scans
https://www.bleepingcomputer.com/news/security/all-that-port-8000-traffic-this-week-yeah-thats-satori-looking-for-new-bots/
New Clipboard Cryptocoin Stealing Bot
https://blog.360totalsecurity.com/en/new-cryptominer-hijacks-your-bitcoin-transaction-over-300000-computers-have-been-attacked/
WebUSB Weakness
https://pwnaccelerator.github.io/2018/webusb-yubico-disclosure.html