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Malicious package

getd-typescript-eslint-rulesnpm

Malicious code in getd-typescript-eslint-rules (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-5470
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall getd-typescript-eslint-rules

What this malware does

On npm install, the postinstall.js script collects the installer's hostname, OS username, platform, current working directory, CI environment markers (CI, BUILD_BUILDID, AGENT_NAME), and package name/version, then sends them as query parameters in an HTTPS GET to a hardcoded webhook.site collector (https://webhook.site/18dc4281-d366-438a-9186-76fbcd56ade5). Errors are swallowed so the install does not fail visibly. The package's own metadata declares it a typosquat targeting @getd/typescript-eslint-rules and frames the beacon as 'defensive security research,' but the on-install behavior identifies any installer (including internal CI build agents) to a third-party endpoint regardless of stated intent.

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

caed4b0db34232c4ef920817b6087cee9ac0610ec4ec2e49edbb5f167342f42f
fbc75f9b06e69a7a9abfece2eb3d4f9c8b3c5f46e927b94c0037781e4aace47b

Frequently asked questions

No. getd-typescript-eslint-rules on npm has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-005211IN-MAL-2026-005212

References

Credits

  • Amazon Inspector · finder

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Supply-chain protection
getd-typescript-eslint-rules (npm) malicious package — MAL-2026-5470 | O3 Security