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TEMP.Vermin is a Russia-aligned espionage threat actor tracked as UAC-0020 and linked by CERT-UA to security agencies of the so-called Luhansk People's Republic (LPR/LNR). The actor has been associated with cyber operations supporting Russian objectives in the war against Ukraine, particularly against defense-related targets and battlefield-relevant technology ecosystems. TEMP.Vermin is known for using themed social-engineering lures related to drone production and development, anti-drone defense systems, and video surveillance security systems to deliver malware. Reported malware used by the group includes VERMONSTER, SPECTRUM (also reported as SPECTR), and FIRMACHAGENT. The actor's operations fit a broader pattern of Russian-linked targeting of organizations and personnel connected to unmanned aircraft systems, military technology, and defense support functions. Available reporting supports classifying TEMP.Vermin primarily as an espionage actor rather than a ransomware or financially motivated intrusion set. Its activity indicates initial access through lure-based delivery, malware deployment for post-compromise operations, and efforts aligned with intelligence collection against Ukrainian defense and related sectors.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
2 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
3 malware families attributed to this actor across reporting.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Russian cluster described as focusing on battlefield technology, secure communications, and attacks on Ukrainian and allied defense assets.
LPR-linked activity deploying malware and using aerospace/drone-themed infrastructure to support targeting (implied espionage against Ukraine-related defense ecosystem).
Targeting defense/DIB-related themes (drones, anti-drone, surveillance) using themed lures to deliver multiple malware families.
Referenced in the context of defense-sector targeting via social engineering/lure documents as part of broader cyber operations against defense and aerospace entities.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.