APT / THREAT GROUP
ABCDoor
2
aliases
Last seen:May 8, 2026
Intelligence Profile
Python backdoor that communicates over TLS using domain names like abc.[something].com
Threat Analysis
ABCDoor is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.
Intelligence Reports Mentioning ABCDoor
Silver Fox Deploys ABCDoor Malware via Tax-Themed Phishing in India and Russia
The Hacker News· May 4, 2026
Silver Fox uses the new ABCDoor backdoor to target organizations in Russia and India
Securelist (Kaspersky)· Apr 30, 2026
External References
Quick Facts
TypeAPT / Threat Group
Aliases2
Also Known As
win.abcdoorABCDoor
External Intelligence
Malpedia: win.abcdoorResearch Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.