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Malicious package

@insiderintelligence/componentlibrarynpm

Advisory published Updated

@insiderintelligence/componentlibrary is a confirmed malicious npm package (MAL-2026-16353) that steals credentials and exfiltrates sensitive data (malicious version 9.9.10). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @insiderintelligence/componentlibrary (npm)

MAL-2026-16353
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @insiderintelligence/componentlibrary

What this malware does

The package declares scripts.install: node index.js, so npm install auto-executes index.js which loads runtime/support/telemetry/probe/impl.js. That module reads os.userInfo().username, os.hostname(), and the current working directory's leaf name, joins them with a fixed prefix (iiclib) and a timestamp into a subdomain label, and issues a dns.resolve4() query against oob.algamil7x.xyz — exfiltrating installer identity via a DNS side-channel that bypasses HTTP egress controls. The destination host, the module names ('os','dns','process'), and the resolved API names ('userInfo','hostname','cwd','resolve4','_load') are hidden behind String.fromCharCode arrays in sibling helpers a8e4c9.js and f7d3b8.js, and the module is loaded via module.constructor._load through encoded literals to disguise the primitive as a 'connectivity probe'. The same path also runs on require() because index.js is the package main. The behavior has no connection to the package's stated component-library purpose.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Malicious versions

1 flagged
9.9.10

Indicators of compromise (SHA-256)

a4451c41559202c6bce3218de9af47cabe20288af5f3a9240076f25b3b2b5993
1dd58e4d232be3112ad684139fd2755dc99e336a8960c2d1cee2c83b91a33825

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for @insiderintelligence/componentlibrary (version 9.9.10).

  2. If you installed it — respond

    @insiderintelligence/componentlibrary is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If @insiderintelligence/componentlibrary was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. @insiderintelligence/componentlibrary on npm has been identified as a malicious package (version 9.9.10 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-020262GHSA-rjh6-qm48-cg84

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @insiderintelligence/componentlibrary-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

@insiderintelligence/componentlibrary (npm) malicious package — MAL-2026-16353 | O3 Security