ChainDrop worm crawls into npm supply chain, evades standard defenses

A new variant of the Shai-Hulud npm worm has poisoned hundreds of packages while adding propagation techniques that can leave little trace in the corresponding source repositories. In Frank Herbert’s Dune, Shai-Hulud was the name of the giant self-sustaining desert sandworms that moved silently beneath the surface of the planet Arrakis. So it made sense that when some new self-replicating malware with computer worm-like behavior appeared in September 2025, security researchers would name i