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Malicious package

unrartestPyPI

Advisory published Updated

unrartest is a confirmed malicious PyPI package (MAL-2024-10181) that steals credentials and exfiltrates sensitive data (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in unrartest (PyPI)

MAL-2024-10181
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall unrartest

What this malware does

Packages downloads remote executable. The final behaviour is unknown, but starts with bypassing UAC and other security controls. Some package clones are obfuscated.

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

Campaign: 2024-08-koalabuilder

Reasons (based on the campaign):

  • Downloads and executes a remote executable.

  • obfuscation

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

5881c13fc435a770a2fd8ed9a39e3a3c88c2d2fd9bee8d31a36006e5c32bb2e2
4fd62d001d9817649e944ffd69f1042efd1d544f7dc38dc59c69258076d8263b
21a41269d4461bf4c85f40299bad3d27a57b45d762da1301cd872bff282c255e
5d2d8c2f0d05e8b20a2cf3ad3af8d82f6188d214a8720aed3afc6192d32ee009
75b3cfd231390181f6d3f1c4039f234c4b7e486433eca940aa35d9de26229d34

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for unrartest (version 0.0.1).

  2. If you installed it — respond

    unrartest 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 unrartest 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. unrartest on PyPI 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

RLMA-2024-094592024-08-koalabuilderRLUA-2026-00872

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks unrartest-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

unrartest (PyPI) malicious package — MAL-2024-10181 | O3 Security