
Operation Dragon Whistle Deploys Cobalt Strike via Malicious PDF LNK Files
Threat actors are exploiting the high-pressure environment of university compliance to deploy stealthy malware. Seqrite Labs recently uncovered “Operation Dragon Whistle,” a highly targeted spear-phishing campaign aiming at Changzhou University in China. The attackers, identified with medium-high confidence as the UNG0002 group, use the mandatory 2026 fitness testing cycle as a powerful social engineering lure. […]
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