HOMETHREATSPortDoor
APT / THREAT GROUP

PortDoor

2
aliases
Last seen:Mar 17, 2026

Intelligence Profile

Malware family tracked by Malpedia. ID: win.portdoor

Threat Analysis

PortDoor 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://ics-cert.kaspersky.com/media/Kaspersky-ICS-CERT-Targeted-attack-on-industrial-enterprises-and-public-institutions-En.pdf
→https://medium.com/@Ilandu/portdoor-malware-afc9d0796cba
→https://www.cybereason.com/blog/research/portdoor-new-chinese-apt-backdoor-attack-targets-russian-defense-sector
→https://www.socinvestigation.com/chinese-new-backdoor-deployed-for-cyberespionage/

Quick Facts

TypeAPT / Threat Group
Aliases2

Also Known As

PortDoorwin.portdoor

External Intelligence

Malpedia: win.portdoor

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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