Lazarus Group concealed a four-module remote access toolkit inside six fake npm Rollup polyfill packages that fired at import ...
JFrog says six malicious npm packages used hidden install-time execution, JSONKeeper fetches, and sandbox checks to enable remote access.
The campaign spans npm, Packagist, Go, and Chrome, using obfuscated JavaScript loaders and VS Code tasks to deliver malware.
Malicious npm packages mimicking Rollup polyfill tooling steal browser data, crypto wallets, and AI tool credentials in a Lazarus-linked campaign.