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Malicious package

j5gnpuiwerbngpiutbgn0iutb0pfwefPyPI

Malicious code in j5gnpuiwerbngpiutbgn0iutb0pfwef (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2024-11619
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall j5gnpuiwerbngpiutbgn0iutb0pfwef

What this malware does

According to the description, packages should demonstrate the dependency confusion attack. The realisation is, in fact, a spamming with packages having as the only purpose reporting basic data like hostname and current working directory.

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: 2024-10-lokopoil23

Reasons (based on the campaign):

  • dependency-confusion

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

811a4a6e9d0c9506f02ed6d8e9110d17a31bebfc0d688fe495ee8105d5109fa3
58122ccffbbdc7be1add80169cb5870f47e2a7b770b9f0d76c29a0dbd203cf46
51f6d35c5375794ab0e1fdb23c00c2a82ad0e3d9e5731031a652d9e3a8766a9a
e5a7f500bfce639163b5e5237f1c564a06d64a8c90b6787945146e9a4aa25eec
e9bbccec51d60a1b34eb692d8bc3e9989132f3ecd51c2b8aa6264fe910ccc813

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for j5gnpuiwerbngpiutbgn0iutb0pfwef (version 0.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging j5gnpuiwerbngpiutbgn0iutb0pfwef across your stack and pipelines.

  2. If you installed it — respond

    Remove j5gnpuiwerbngpiutbgn0iutb0pfwef from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If j5gnpuiwerbngpiutbgn0iutb0pfwef 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 j5gnpuiwerbngpiutbgn0iutb0pfwef 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. j5gnpuiwerbngpiutbgn0iutb0pfwef 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-2024-110732024-10-lokopoil23RLUA-2026-00437

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks j5gnpuiwerbngpiutbgn0iutb0pfwef-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

j5gnpuiwerbngpiutbgn0iutb0pfwef (PyPI) malicious package — MAL-2024-11619 | O3 Security