APT / THREAT GROUP
QUIETEXIT
2
aliases
Last seen:Mar 17, 2026
Intelligence Profile
Mandiant observed this backdoor being observed by UNC3524. It is based on the open-source Dropbear SSH source code.
Threat Analysis
QUIETEXIT 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
Aliases2
Also Known As
elf.quietexitQUIETEXIT
External Intelligence
Malpedia: elf.quietexitResearch Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.