Trum3it npm Self-Upgrade: node.exe Overwriting node_modules After Install

Ibrahim Saud@tektrix

•updated Jun 30, 2026•0•0•1

Detects Node.js processes or npm-related parent processes writing suspicious files (e.g., .cjs, .tgz, package.json) into the node_modules directory. This behavior is often indicative of malicious supply chain activities, such as dependency confusion or post-install script injections observed in campaigns like Operation Poisson.