The Shai-Hulud Worm: Dissecting the Self-Spreading Malware Attack on the NPM Ecosystem

Sep 18, 2025 · 14 min read · 1. Introduction: The Attack of the Code Worm Imagine building a project with a set of Lego bricks, but one of the bricks is secretly malicious. Not only is it a bad piece, but it also has the ability to copy itself and sneak into all the other Lego s...