gokcpdoor
Intelligence Profile
According to LAC, this malware is written in Go and was observed in 2022 used by an unknown China-based APT across several incidents in Japan. This backdoor has 20 commands and connects with C2 servers via KCP over UDP.
Threat Analysis
gokcpdoor is a advanced-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of espionage.
The group's espionage-oriented operations suggest a state-sponsored or state-aligned mandate, typically focused on stealing intellectual property, government secrets, or military intelligence. Targets are usually selected for strategic value rather than financial gain.
Classified as an advanced threat actor, gokcpdoor likely develops or acquires zero-day exploits, employs custom malware toolchains, and demonstrates long-term persistence capabilities — hallmarks of a well-resourced operation consistent with nation-state backing.