Detecting AtlasRAT C2 

Around May 2026 Atlas RAT began using a new variant of its command-and-control (C2) protocol. Earlier versions started with a distinctive byte sequence: 53 46 75 63 6b 00 00 00 In ASCII, that is SFuck followed by three null bytes. The newer traffic starts with BFuck, also followed by three null byte[…]NETRESEC Network Security BlogRead More