In this LABScon 25 presentation, ESET researchers Matthieu Faou and Zoltán Rusnák present the first technical evidence that Gamaredon actively facilitated Turla’s access to high-value Ukrainian targets in Ukraine. Across incidents observed between February and June 2025, Gamaredon tooling, including PteroGraphin and PteroOdd, was used to deploy Turla’s Kazuar backdoor and, in at least one case, re...