Cutting Through the Noise: A Technique-Based Approach to Hunting Web-Delivered Malware

A novel, technique-driven hunting method using HTTP body analysis surfaced a live, multi-stage ClickFix campaign delivering XWorm V5.6 via a PhantomVAI loader from a compromised Turkish medical site, demonstrating how behavioral signal stacking and iterative negation can reliably expose sophisticated, untagged web-delivered malware infrastructure at scale.