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Malicious package

prime-mathPyPI

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

MAL-2025-952
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall prime-math

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

5351b316d3ab6e2c9321e49077cd18c81f2c27cdaae8f98d831502c61b76df2f

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 prime-math (version 1.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging prime-math across your stack and pipelines.

  2. If you installed it — respond

    Remove prime-math 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 prime-math 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 prime-math 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. prime-math on PyPI has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-00493

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks prime-math-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.

prime-math (PyPI) malicious package — MAL-2025-952 | O3 Security