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uac-00993 articles
Oct 8, 2026
UAC-0099 ASHVEIN RAT: Detecting HTML-Weaponized C2 and .NET Infostealer Activity Against Government Targets
A New RAT in an Active Espionage Campaign Security researchers at TrendAI have attributed a previously undocumented .NET infostealer and rem...
sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Sep 1, 2026
UAC-0099 'GuardBreaker' Attack: Russia-Aligned Actors Weaponize LLM Safety Filters to Blind AI-Assisted Malware Analysis — Detection and Defense Guide
Introduction ESET researchers have disclosed a novel anti-analysis technique — dubbed GuardBreaker — deployed by the Russia-aligned threat a...
managed-socmdrsecurity-monitoring
SOC & MDRRead Now
Jul 25, 2026
UAC-0099 MATCHBOIL.V2 Campaign: Defending Against Fake Notepad++ Plugins
UAC-0099 MATCHBOIL.V2 Campaign: Defending Against Fake Notepad++ Plugins Introduction The Computer Emergency Response Team of Ukraine (CERT-...
sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now