OpenSSF/OSV advisory MAL-2026-14139 confirms this npm version as malicious. The package declares `preinstall: "node index.js"`, which fires automatically on `npm install`. index.js collects host identifiers (os.hostname, os.userInfo, home directory, DNS servers, __dirname, package.json contents) and reads the local files /etc/passwd and /etc/hosts, then POSTs the aggregated JSON over HTTPS to the hardcoded Burp Collaborator subdomain zjmjb1b5mnwtdcmzrsq6uj4bj2ptdj18.oastify.com...
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in prism-registry (npm)
Details
The package declares `preinstall: "node index.js"`, which fires automatically on `npm install`. index.js collects host identifiers (os.hostname, os.userInfo, home directory, DNS servers, __dirname, package.json contents) and reads the local files /etc/passwd and /etc/hosts, then POSTs the aggregated JSON over HTTPS to the hardcoded Burp Collaborator subdomain zjmjb1b5mnwtdcmzrsq6uj4bj2ptdj18.oastify.com. There is no legitimate functionality in the package beyond this beacon.
Decision reason
OpenSSF Malicious Packages via OSV confirms prism-registry@1.0.1 as malicious (MAL-2026-14139): Malicious code in prism-registry (npm)