APT / THREAT GROUP
TClient
3
aliases
Last seen:Mar 17, 2026
Intelligence Profile
Steve Miller pointed out that it is proxy-aware (Tencent) for C&C communication and uses wolfSSL, which makes it stick out.
Threat Analysis
TClient is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.
External References
Quick Facts
TypeAPT / Threat Group
Aliases3
Also Known As
TClientwin.tclientFIRESHADOW
External Intelligence
Malpedia: win.tclientResearch Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.