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Cold lures, hot targets.

ID: 4b678b01-02bd-5a39-9cdc-58cfe03f403a

STIX ID: report--4b678b01-02bd-5a39-9cdc-58cfe03f403a

Feed Name: The CyberWire

Threat Score
85/100

Date Published: 2026-07-25

Date Updated: 2026-07-25

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ESET's research describes FrostyNeighbor, a Belarus-aligned cyberespionage group conducting targeted, sophisticated spearphishing campaigns against Ukrainian government organizations and other high-value targets in Eastern Europe. The group leverages malicious PDF lures, server-side victim validation, and a JavaScript-based malware chain to selectively deploy espionage tools and evade detection.

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