KongTuke Attacking Windows Users With New Interlock RAT Variant Using FileFix Technique

A sophisticated malware campaign leveraging the KongTuke threat cluster has emerged, targeting Windows users through a novel FileFix technique that deploys an advanced PHP-based variant of the Interlock remote access trojan (RAT). This represents a significant evolution from previous JavaScript-based implementations, demonstrating increased operational sophistication and resilience. Since May 2025, cybersecurity researchers have observed widespread […]

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