Russian hacking groups long seen as rivals now appear to be teaming up in Ukraine

ESET reported that in February it identified four Ukrainian machines compromised by both groups. On those systems, Gamaredon deployed its usual suite of malware families – PteroLNK, PteroStew, PteroOdd, PteroEffigy, and PteroGraphin – while Turla installed its proprietary Kazuar backdoor.

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