A common way for malware to disguise its C2 communication and stay under the radar is mimicking widely accepted protocols such as TLS and blend into the existing traffic.

The deep dive below into PebbleDash’s FakeTLS C2 protocol shows how North Korean APTs fake TLS handshakes and use hardcoded RC4 encryption to blend in with legit HTTPS traffic. Sneaky stuff — and a must-read for threat hunters. 🔍💻

https://malwareandstuff.com/reversing-pebbledashs-faketls-c2-protocol/

#malware #infosec #reverseengineering #pebbledash #cybersecurity #windows