APT / THREAT GROUP

PITHOOK

aliases

Last seen:Mar 17, 2026

Intelligence Profile

According to Mandiant, PITHOOK hooks the accept and accept4 functions within the web process by modifying the PLT. When PITHOOK receives a buffer matching the predefined magic byte sequence, it will duplicate the socket and forward it to PITSTOP over the Unix domain socket /data/runtime/cockpit/wd.fd.

Threat Analysis

PITHOOK 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://cloud.google.com/blog/topics/threat-intelligence/investigating-ivanti-exploitation-persistence/

→https://www.mandiant.com/resources/blog/investigating-ivanti-exploitation-persistence

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

PITHOOKelf.pithook

External Intelligence

Malpedia: elf.pithook

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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