PurpleFox botnet variant uses WebSockets for more secure C2 communication
Security Affairs
OCTOBER 20, 2021
“However, instead of sending it in cleartext, the client deploys a symmetric AES encryption for any communication over the WebSocket for the first exchange, as no shared secret is established yet, and the AES encryption will generate a default key for this first exchange. SecurityAffairs – hacking, PurpleFox botnet).
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