Hackers Found Using CrossC2 to Expand Cobalt Strike Beacon’s Reach to Linux and macOS

Japan’s CERT coordination center (JPCERT/CC) on Thursday revealed it observed incidents that involved the use of a command-and-control (C2) framework called CrossC2, which is designed to extend the functionality of Cobalt Strike to other platforms like Linux and Apple macOS for cross-platform system control. The agency said the activity was detected between September and December 2024, targeting