APT / THREAT GROUP
Nimbo-C2
3
aliases
Last seen:Mar 17, 2026
Intelligence Profile
According to the author, Nimbo-C2 is yet another (simple and lightweight) C2 framework. The agent currently supports Windows x64 and Linux. It's written in Nim, with some usage of .NET (by dynamically loading the CLR to the process).
Threat Analysis
Nimbo-C2 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
win.nimbo_c2Nimbo-C2elf.nimbo_c2
External Intelligence
Malpedia: win.nimbo_c2Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.