APT / THREAT GROUP

ACBackdoor

aliases

Last seen:Mar 17, 2026

Intelligence Profile

A Linux backdoor that was apparently ported to Windows. This entry represents the Linux version. This version appears to have been written first and the Windows version was ported later, without full functionality. The Linux version offers persistence as well as some process manipulation techniques, though both versions apparently offer the ability to access the command line and execute programs as well as self-update.

Threat Analysis

ACBackdoor is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://www.bleepingcomputer.com/news/security/linux-windows-users-targeted-with-new-acbackdoor-malware/

Quick Facts

TypeAPT / Threat Group

Aliases3

Also Known As

win.acbackdoorACBackdoorelf.acbackdoor

External Intelligence

Malpedia: win.acbackdoor

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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