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Nation-stateOct 8, 2026

Russian Spies Give 'MatchBoil' Malware a Stealthy Facelift

Russian spies update 'MatchBoil' malware for stealthy attacks on Ukraine.

Summary

The Russian cyber-espionage actor UAC-0099 has updated its 'MatchBoil' malware, enhancing its stealth capabilities. This refined dropper has been observed in ongoing campaigns specifically targeting Ukrainian organizations, indicating a continued focus on intelligence gathering against the nation.

Indicators of Compromise

  • malware — MatchBoil

Entities

UAC-0099 (threat_actor)