UNC5221 Uses BRICKSTORM Backdoor to Infiltrate U.S. Legal and Technology Sectors The Hacker [email protected] (The Hacker News)

Companies in the legal services, software-as-a-service (SaaS) providers, Business Process Outsourcers (BPOs), and technology sectors in the U.S. have been targeted by a suspected China-nexus cyber espionage group to deliver a known backdoor referred to as BRICKSTORM.
The activity, attributed to UNC5221 and closely related, suspected China-nexus threat clusters, is designed to facilitate Companies in the legal services, software-as-a-service (SaaS) providers, Business Process Outsourcers (BPOs), and technology sectors in the U.S. have been targeted by a suspected China-nexus cyber espionage group to deliver a known backdoor referred to as BRICKSTORM.
The activity, attributed to UNC5221 and closely related, suspected China-nexus threat clusters, is designed to facilitate 

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