MediumEspionage / nation-stateActive· updated Nov 10
ESET exposes Gorbag stealing data from Ukrainian government and defense bodies via spearphishing and WinRAR flaw CVE-2025-8088
ESET researchers exposed a Russia-aligned threat actor they named Gorbag, active since at least February 2025 and focused exclusively on Ukrainian targets, especially law enforcement and justice entities, local administrations near the front line, the defense sector and a major transportation hub for foreign military aid .