Junior Hacker Used Tailscale and OpenSSH to Keep Access After His C2 Went Offline

Summary

A French-speaking attacker broke into a small French automotive business, planted a keylogger, and stole banking and email credentials. Ordinary stuff, until one move near the end. Before his command-and-control server went dark, he installed OpenSSH and Tailscale on a victim's machine, building a way back in that did not run through the C2 at all. When the Havoc server went offline the next