Xillen Stealer v4/v5: Advanced Cross-Platform Malware Threat

Darktrace analysts warn about the rapidly evolving Xillen Stealer malware, which now includes advanced evasion mechanisms and multiple modern C2 techniques. The malware targets over 100 browsers, 70+ cryptocurrency wallets, password managers, developer environments, and cloud credentials. Notable updates include the AI Target Detection module, which prioritizes high-value targets based on rule-based pattern matching. The malware also features a Rust-based polymorphic engine and steganographic methods to hide stolen data. Xillen Stealer is marketed openly on Telegram, with licenses offered through a professional dashboard.

Latest mentioned: 11-24
Earliest mentioned: 11-21