Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 18:57:19 UTC Home > List all groups > List all tools > List all groups using tool CHAIRSMACK Tool: CHAIRSMACK Names CHAIRSMACK Category Malware Type Backdoor Description (Mandiant) CHAIRSMACK is a backdoor written in C++ that communicates using HTTP. CHAIRSMACK's core functionality involves expanding its capabilities by retrieving plugins from a C2 server. Downloaded plugins are cached on disk for future use. Capabilities added via plugins are inferred based on supported backdoor command names. These capabilities include shell command execution, screenshot capture, audio capture, keylogging, file transfer, and file execution. Information Malpedia Last change to this tool card: 27 December 2022 Download this tool card in JSON format All groups using tool CHAIRSMACK Changed Name Country Observed APT groups   APT 42 2015-Feb 2024   1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=f6e9b97e-8e22-43a4-9b5d-8b4d7532ee86 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=f6e9b97e-8e22-43a4-9b5d-8b4d7532ee86 Page 1 of 1