MALWARE FAMILY
FoalShell
Internal ID: win.foalshell
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
According to BI.ZONE, FoalShell is a simple reverse shell used by Cavalry Werewolf, written in Go, C++, and C#. FoalShell allows attackers to execute arbitrary commands in the cmd.exe command line interpreter on a compromised host.
Threat Analysis
FoalShell is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.
External References
Quick Facts
TypeMalware Family
Aliases1
Also Known As
win.foalshell
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.