OpenSSF/OSV advisory MAL-2026-6077 confirms this npm version as malicious. package.json declares `preinstall: node index.js`, which fires automatically on `npm install`. index.js collects hostname (os.hostname()), username (os.userInfo()), homedir, DNS servers, and package paths, reads /etc/passwd and /etc/hosts via fs.readFileSync, and HTTPS-POSTs the JSON payload to 66az91mywqmmbqau9k79bum1us0jo9cy.oastify.com (a Burp Collaborator subdomain)...
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in ebpf-tracker-action (npm)
Details
package.json declares `preinstall: node index.js`, which fires automatically on `npm install`. index.js collects hostname (os.hostname()), username (os.userInfo()), homedir, DNS servers, and package paths, reads /etc/passwd and /etc/hosts via fs.readFileSync, and HTTPS-POSTs the JSON payload to 66az91mywqmmbqau9k79bum1us0jo9cy.oastify.com (a Burp Collaborator subdomain). Package metadata (empty author, empty description, generic CI-flavored name `ebpf-tracker-action`) is consistent with a dependency-confusion attack targeting an internal package name. Any machine that installs this package leaks system identity and local account data to an attacker-controlled host at install time.
Decision reason
OpenSSF Malicious Packages via OSV confirms ebpf-tracker-action@1.0.1 as malicious (MAL-2026-6077): Malicious code in ebpf-tracker-action (npm)