Since 2020, a Chinese threat actor tracked as CL-UNK-1068 has targeted critical infrastructure in Asia for cyberespionage. The group utilizes a diverse, cross-platform toolkit including web shells, custom Go-based scanners, modified Fast Reverse Proxy (FRP) for tunneling, and legacy Python executables for DLL side-loading to maintain stealth, escalate privileges, and exfiltrate sensitive data.
CL-UNK-1068
1 post
An Investigation Into Years of Undetected Operations Targeting High-Value Sectors