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Malicious package

do-not-install-this-package-001PyPI

Malicious code in do-not-install-this-package-001 (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2025-192387
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall do-not-install-this-package-001

What this malware does

Generic campaign for all (likely) research / pentests, where the amount or art of collected data raises questions about the privacy, security and ethical side.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: GENERIC-questionable-pentest

Reasons (based on the campaign):

  • exfiltration-env-variables

  • exfiltration-generic

  • The package overrides the install command in setup.py to execute malicious code during installation.

  • typosquatting

The OpenSSF Package Analysis project identified 'do-not-install-this-package-001' @ 0.1.3 (pypi) as malicious.

It is considered malicious because:

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

  • The package executes one or more commands associated with malicious behavior.

Malicious versions

4 flagged
0.1.30.1.40.1.50.1.6

Indicators of compromise (SHA-256)

399ba544f533d013d73525a2e22fbc83c2f4f00ce44c27c15cff9ca8ccaf11de
7249ad6aa9405dfaf9e7fad98da1c2cbc437ce5a803922315fc6d800e6e4283c
2f9552a5ebf4c3459256111bab837a49dd05b9d3cf2dae2e7c02390a175ce1a6
27c17335ba5378258efc5d22274e8104e45a493eec51d60d0adbeb9c4f627714
9c0fe3a3376e6379d81ea6d55c068db9f72a785fc8123f35704e35efe5200b97
020d2cade2c23bce047da08607f512130fc03ec69a70a79ec046a1d6a8f91d86
ba206991cd762792a8755427477cd461efab8e1427e1cfabb02ddbdca15f7140

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 do-not-install-this-package-001 (4 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging do-not-install-this-package-001 across your stack and pipelines.

  2. If you installed it — respond

    do-not-install-this-package-001 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 do-not-install-this-package-001 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 do-not-install-this-package-001 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. do-not-install-this-package-001 on PyPI has been identified as a malicious package (versions 0.1.3, 0.1.4, 0.1.5, 0.1.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GENERIC-questionable-pentest

References

Credits

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

Detect & block this

O3 blocks do-not-install-this-package-001-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

do-not-install-this-package-001 (PyPI) malicious package — MAL-2025-192387 | O3 Security