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Russian cyber groups Gamaredon and Turla collaborated in early 2025 to target Ukrainian defense entities, using shared tools to reactivate a backdoor.
ESET Research has found the first evidence of collaboration between Russian FSB-linked cyber groups Gamaredon and Turla, targeting high-profile Ukrainian entities.
The groups worked together in early 2025, with Gamaredon deploying tools like PteroOdd and PteroPaste to restart Turla’s Kazuar backdoor on compromised machines.
This coordination suggests a focus on high-value targets, particularly in Ukraine’s defense sector, amid intensified activity since the 2022 invasion.
Both groups, active since at least 2004 and 2013, have long targeted government and diplomatic institutions across Europe, Central Asia, and the Middle East.
Los grupos cibernéticos rusos Gamaredon y Turla colaboraron a principios de 2025 para atacar entidades de defensa ucranianas, utilizando herramientas compartidas para reactivar una puerta trasera.