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Xillen Stealer v5 Enhances AI Evasion and Data Theft Capabilities

First seen 2 Dec 2025, 18:33 UTC

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ThreatCluster March 12, 2026 at 13:27 UTC

Xillen Stealer has evolved to version 5, incorporating advanced AI features that enable it to evade detection and target sensitive data from password managers. The malware now includes aggressive capabilities aimed at browsers, cloud platforms, containers, developer tools, and biometric data, showcasing a shift towards more automated credential-theft operations. These updates are disseminated through Telegram sales channels, indicating a rise in sophisticated cybercriminal tactics.

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