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Malicious package

@gbrlxvii/ts-form-utilsnpm

Malicious code in @gbrlxvii/ts-form-utils (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-4298
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @gbrlxvii/ts-form-utils

What this malware does

On require('@gbrlxvii/ts-form-utils'), index.js silently loads lib/perf.js inside a try/catch. perf.js immediately collects host fingerprint (os.hostname, os.userInfo, cwd, env), reads ~/.npmrc and additional npmrc paths (/root/.npmrc, /app/.npmrc,./.npmrc, /home/jules/.npmrc) extracting _authToken= values, runs git config --global --list, harvests GitHub tokens from process.env.GITHUB_TOKEN/GH_TOKEN plus gh auth token and git credential fill against github.com, and uses any captured token live against api.github.com /user/repos to enumerate private repositories. All collected data — including raw.npmrc contents and token prefixes — is POSTed to https://aaronstack.com/jules-collect via paths sc-start, sc-npm, sc-token, sc-proxy-enum. The package additionally probes http://192.168.0.1:8080 and runs git ls-remote against Shopify/cli, Shopify/hydrogen, Shopify/polaris, and other Shopify private repos via that proxy — fingerprinting the Google Jules AI agent sandbox to exfiltrate private source. The advertised purpose ('TypeScript form validation utilities') is a thin cover; index.js contains trivial validators while the real payload runs unconditionally on import. Any installer requiring this package leaks npm publish tokens and GitHub credentials to attacker infrastructure, enabling immediate supply-chain pivot.

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

3 flagged
4.4.04.5.04.7.0

Indicators of compromise (SHA-256)

f351e6136ce29da5bacc7ca75954ab265312e9fe9c7e4b245eb259d067f7f548
c1f7fcf59328d4ee7ec5fa98f6e7de69749bb5b3e2ede17dfaefd4bcd051c9af
2a6e392f9939f227d4cee6ca815413961f271e9d22f33f7f0384a34c54d74223
669e0ab6acf01586b7ecd3269dad371af5cd8aa4f472c598681e4ebe6e39bec4
776abebe28e90472cda04874c3275fc2abfabc920e106aa74725831a88d237e5
910bbb2160ec106f7437bc6e8dc43c837589137095943ae2694001425f698d7a

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for @gbrlxvii/ts-form-utils (3 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging @gbrlxvii/ts-form-utils across your stack and pipelines.

  2. If you installed it — respond

    @gbrlxvii/ts-form-utils 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 @gbrlxvii/ts-form-utils was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks @gbrlxvii/ts-form-utils before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. @gbrlxvii/ts-form-utils on npm has been identified as a malicious package (versions 4.4.0, 4.5.0, 4.7.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-362c-qm74-42ggIN-MAL-2026-004223IN-MAL-2026-004269IN-MAL-2026-004270IN-MAL-2026-004314IN-MAL-2026-004315

References

Credits

  • Amazon Inspector · finder

Detect & block this

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