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Malicious package

install-pytestPyPI

Malicious code in install-pytest (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2023-1371
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall install-pytest

What this malware does

The OpenSSF Package Analysis project identified 'install-pytest' @ 1.12.7 (pypi) as malicious.

It is considered malicious because:

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

Malicious versions

1 flagged
1.12.7

Indicators of compromise (SHA-256)

c354c0f5dc76b96d0db0745a885c308a97e8edfa82d219fda8c353dd567b43d6

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 install-pytest (version 1.12.7). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging install-pytest across your stack and pipelines.

  2. If you installed it — respond

    Remove install-pytest 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 install-pytest 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 install-pytest 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. install-pytest on PyPI has been identified as a malicious package (version 1.12.7 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

  • OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks install-pytest-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.

install-pytest (PyPI) malicious package — MAL-2023-1371 | O3 Security