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Malicious package

@antoncarlos1/nodelampnpm

Malicious code in @antoncarlos1/nodelamp (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-6209
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @antoncarlos1/nodelamp

What this malware does

@antoncarlos1/[email protected] ships a single obfuscated index.js that runs a dropper on require(). The top-level IIFE constructs a hardcoded IPv4 URL by concatenating four numeric literals with '.', issues an HTTPS GET to that bare-IP host, writes the response body to a file under os.tmpdir() with flag 'w+', and immediately spawns it with cwd=os.tmpdir() and windowsHide:true. The module is encoded with obfuscator.io (224-entry RC4 string array, two decoder functions, shuffled control flow) — the only purpose of which is to hide the destination address and the exec edge from reviewers. The package metadata advertises only 'manage the node' with no functionality justifying any network fetch or binary execution, and the package scope (@antoncarlos1) does not match the linked repository owner (guilderguzman). The fetched bytes are unpinned, unverified, and attacker-controlled; any consumer that requires this package (directly or transitively) executes them with the installer's privileges.

Malicious versions

1 flagged
1.0.1

Indicators of compromise (SHA-256)

d930df8b6392b3bbfe3b591d90226374d31fb246e06018521f3f673a815b618a

Frequently asked questions

No. @antoncarlos1/nodelamp on npm has been identified as a malicious package (version 1.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-007074

References

Credits

  • Amazon Inspector · finder

Scan your dependencies

O3 Security blocks malicious packages like this at install time and in CI.

Supply-chain protection
@antoncarlos1/nodelamp (npm) malicious package — MAL-2026-6209 | O3 Security