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Gamaredon Group Intensifies Cyberespionage Against Ukraine in 2025

ID: c6cbe39b-cccd-534a-b4f2-3e53b4773752

STIX ID: report--c6cbe39b-cccd-534a-b4f2-3e53b4773752

Feed Name: ThreatCluster

Threat Score
88/100

Date Published: 2026-06-25

Date Updated: 2026-06-25

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ESET Research details Gamaredon's 2025 cyberespionage campaign against Ukrainian government and military targets, highlighting six new PowerShell tools (including PteroPaste), a rise in spear-phishing activity, collaboration with other Russia-aligned actors (e.g., Turla, UAC-0099), and the use of legitimate third-party services to obscure command-and-control and data exfiltration.

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