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Threat Intelligence Report

IronWorm Returns as jscrambler, Rustier Than Ever

📅 July 13, 2026 📰 research.jfrog.com 🔍 0 CVE(s) referenced

A highly sophisticated new IronWorm variant has been discovered in the popular jscrambler npm package, now targeting Linux, macOS, and Windows with automated supply chain propagation, expanded credential theft, advanced Tor-based command and control, and a critical operational blunder that exposes victims’ real IPs during data exfiltration.

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