Mini Shai-Hulud Hits AntV: 300+ Malicious npm Packages Published via Compromised Maintainer Account

A compromised npm maintainer account triggered an automated burst of over 300 malicious package versions across 323 packages in the AntV data visualization ecosystem, part of the ongoing Mini Shai-Hulud supply chain worm campaign. Here's what the malware does, how to detect exposure, and how to respond.