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Chaos Ransomware Turns Your Chrome and Edge Web Browser Into an Invisible Malware Command Channel

Cybersecurity NewsJuly 23, 20265 min read

Chaos ransomware has introduced a new way to hide attacker activity inside everyday web browsing. The group’s msaRAT remote-access tool turns Chrome or Microsoft Edge into a covert channel for receiving commands and moving data. This approach mirrors the stealth concerns raised by fake Chrome update malware campaigns, but uses the browser after compromise rather than as […] The post Chaos Ransomware Turns Your Chrome and Edge Web Browser Into an Invisible Malware Command Channel appeared first on Cyber Security News.

Chaos ransomware has introduced a new way to hide attacker activity inside everyday web browsing. The group’s msaRAT remote-access tool turns Chrome or Microsoft Edge into a covert channel for receiving commands and moving data. This approach mirrors the stealth concerns raised by fake Chrome update malware campaigns, but uses the browser after compromise rather than as the initial lure. The ransomware-as-a-service group was first confirmed in February 2025 and has targeted large organizations with double-extortion attacks. Its operators commonly…

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