Cisco Talos has detailed msaRAT, a Rust-based RAT used by the Chaos ransomware crew that drives a headless Chrome or Edge session over CDP to smuggle C2 traffic through Cloudflare and Twilio infrastructure.

Chaos Ransomware’s msaRAT Hides Its C2 Inside Your Own Browser on Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses.