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Malicious package

ga3farioPyPI

Malicious code in ga3fario (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2025-191627
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall ga3fario

What this malware does

Packages that either reports home installation, simulate malicious activity or imitate Roblox API wrapper.

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: 2025-10-wangzhou183

Reasons (based on the campaign):

  • The package overrides the install command in setup.py to execute malicious code during installation.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

3f789ec24dde2002eb39de01d0197beebfb0cefd697552002cc6d9241b7edc19
e5cd16c250521e94504f55a7712c5ecd27c707b916ec85e633d958e4f097e7fd
dbb5fde4b18804bfa8f4e885f395c7b94eac1d675efc79ea0d6628fabaefc3cf
e276bca9871c2876b2218108f0388c8a0a3d001df9d9b6622b8a5f4d06456221

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 ga3fario (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 ga3fario across your stack and pipelines.

  2. If you installed it — respond

    Remove ga3fario 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 ga3fario 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 ga3fario 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. ga3fario 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-2025-055962025-10-wangzhou183RLUA-2026-00344

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks ga3fario-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.

ga3fario (PyPI) malicious package — MAL-2025-191627 | O3 Security