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Koi · Published 6 Nov

GlassWorm Returns: New Wave Strikes as We Expose Attacker Infrastructure

By Idan Dardikman, Yuval Ronen, Lotan Sery

Excerpt

Almost three weeks ago, we disclosed GlassWorm - the first self-propagating worm targeting VS Code extensions, using invisible Unicode characters to hide malicious code that literally disappears from code editors. On October 21, 2025, OpenVSX declared the incident "fully contained and closed."

But on November 6, 2025 - sixteen days later - we detected a new wave of GlassWorm infections. Three more extensions compromised. A fresh Solana blockchain transaction providing new C2 endpoints. Same attacker infrastructure, still fully operational.

But here's where this story gets more serious. We managed to access th…

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