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Malicious package

fromwherebitchPyPI

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

MAL-2025-191735
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall fromwherebitch

What this malware does

Importing the module downloads and executes widely recognized malware

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

Campaign: 2025-08-k7eel

Reasons (based on the campaign):

  • Downloads and executes a remote executable.

  • malware

Malicious versions

1 flagged
0.1.3

Indicators of compromise (SHA-256)

bb00a0f655dc44c5b1279807d3510fbfadaea84bff4ffaa5af203f07ff2297d0
afc6e5261aea72f5412acfb599af497963496a824bdd8a9b943b2873cbd4c743

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 fromwherebitch (version 0.1.3). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging fromwherebitch across your stack and pipelines.

  2. If you installed it — respond

    fromwherebitch 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 fromwherebitch 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 fromwherebitch 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. fromwherebitch on PyPI has been identified as a malicious package (version 0.1.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2025-08-k7eel

References

Credits

  • Kamil Mańkowski (kam193)

Detect & block this

O3 blocks fromwherebitch-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

fromwherebitch (PyPI) malicious package — MAL-2025-191735 | O3 Security