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Bank Info Security 7 months, 1 week ago

Brickstorm Malware Hits US Critical Systems, CISA Warns

Chinese-Linked Malware Campaign Targets Critical Environments With Weak MonitoringU.S. and Canadian cyber authorities say Chinese state-backed actors used a backdoor dubbed BRICKSTORM to maintain long-term access into critical infrastructure, exploiting VMware environments to exfiltrate credentials and evade detection through encrypted covert channels.

More from Bank Info Security 5 Dec 2025, 12:30 p.m. America Backdoor Canada China CISA Credentials Critical Infrastructure Encryption Evasion Malware Virtualisation VMware Warning

A suspected Chinese threat actor tracked as UNC3886 uses publicly available open-source rootkits named 'Reptile' and 'Medusa' to remain hidden on VMware ESXi virtual machines, allowing them to conduct credential theft, command execution, and lateral movement. [...]

More from Bleeping Computer 21 Jun 2024, 5:46 a.m. China Credentials Lateral Movement Linux Open Source Theft Threat Actor Virtualisation VMware