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Malicious package

metrics-probe-dc85npm

Malicious code in metrics-probe-dc85 (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-5983
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall metrics-probe-dc85

What this malware does

On install, package.json declares postinstall: node run.js, which auto-executes run.js when the package is installed. run.js imports os, fs, http, https, and child_process, collects host identity via os.hostname() and os.platform(), reads from the local filesystem, and POSTs the gathered data over HTTP/HTTPS. The combination of automatic install-time execution, host-identity enumeration, filesystem reads, and outbound POST traffic is the canonical install-time host-fingerprinting / exfiltration pattern. Installing this package causes the installer's machine identity and local file content to be sent to a remote endpoint without consent.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

aaa3316d23c1a348fb5c68a36eb775ca51f90d0e44973508dd5a8ba5a139e932

Frequently asked questions

No. metrics-probe-dc85 on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-006901

References

Credits

  • Amazon Inspector · finder

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Supply-chain protection
metrics-probe-dc85 (npm) malicious package — MAL-2026-5983 | O3 Security