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Malicious package

neurstsPyPI

Malicious code in neursts (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2024-10588
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall neursts

What this malware does

A campaign of probably pentest packages flooding PYPI. Installing the package or importing the module triggers reporting basic info like hostname, path and the username to the package author. There is no other purpose of the package.

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: 2024-11-byted-dast

Reasons (based on the campaign):

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

  • typosquatting

  • dependency-confusion

The OpenSSF Package Analysis project identified 'neursts' @ 92.6 (pypi) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

Malicious versions

1 flagged
92.6

Indicators of compromise (SHA-256)

f4536a5021887134680345b7fcd4619feb58bbce1b8e91af43ca0c3241e604dd
057f9d92ecdc796764a21bcc65cf5f9eee3e477532b64ff53849cce8eb461369
396f98ceccdb35758f23d2113965f447c1ec28a6c7d1a3fe82fe32cd6c1ce4e0
14c05d8355f7cf1a7194416b17d132ab2c12621d90bc7dcfcd5efa496ec7f45d

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 neursts (version 92.6). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging neursts across your stack and pipelines.

  2. If you installed it — respond

    neursts 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 neursts 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 neursts 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. neursts on PyPI has been identified as a malicious package (version 92.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2024-11-byted-dast

References

Credits

  • Kamil Mańkowski (kam193)
  • OpenSSF: Package Analysis · finder

Detect & block this

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

neursts (PyPI) malicious package — MAL-2024-10588 | O3 Security