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UNC5221

Chinese state-aligned APT targeting Western legal services and BPOs via 393-day BRICKSTORM backdoor on VMware infrastructure.

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#117 Apr

Deployed BRICKSTORM backdoor on vCenter and ESXi hosts averaging 393 days undetected dwell across legal, BPO, SaaS and tech targets

Cybersecurity: Threats and Defences: BRICKSTORM dwell hits 393 days, Mandiant

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