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Malicious package

cicibot-fix-message-namingPyPI

Malicious code in cicibot-fix-message-naming (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2026-921
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall cicibot-fix-message-naming

What this malware does

Importing the module starts a reverse shell

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

Campaign: 2026-02-cicibot-fix-message-naming

Reasons (based on the campaign):

  • The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.

The OpenSSF Package Analysis project identified 'cicibot-fix-message-naming' @ 0.0.1 (pypi) as malicious.

It is considered malicious because:

  • The package executes one or more commands associated with malicious behavior.

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

7fb20d1d9da8ede0270346034bb6fdca56ef578e35a73b4cb0301664ab4a27ab
d90c985621252f6a8359b5fb8924d30a8541213ba43ddaac7c9215b7b22fe195

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 cicibot-fix-message-naming (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 cicibot-fix-message-naming across your stack and pipelines.

  2. If you installed it — respond

    cicibot-fix-message-naming 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 cicibot-fix-message-naming 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 cicibot-fix-message-naming 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. cicibot-fix-message-naming 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

2026-02-cicibot-fix-message-naming

References

Credits

  • Kamil Mańkowski (kam193) · analyst
  • OpenSSF: Package Analysis · finder

Detect & block this

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

cicibot-fix-message-naming (PyPI) malicious package — MAL-2026-921 | O3 Security