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Threat Intelligence Report

BRICKSTORM Malware: UNC5221 Targets Tech and Legal Sectors in the United States

๐Ÿ“… September 26, 2025 ๐Ÿ“ฐ www.picussecurity.com ๐Ÿ” 0 CVE(s) referenced

The BRICKSTORM malware, deployed by China-linked UNC5221, enables stealthy, long-term espionage in U.S. tech and legal sectors by exploiting management appliances, harvesting credentials, and exfiltrating sensitive data while evading detection through advanced obfuscation and covert communication channels.

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