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Part of a larger attack: 2024-11-byted-dast published 183 malicious packages. See the full campaign →
Malicious package

detectron4PyPI

Advisory published Updated

detectron4 is a confirmed malicious PyPI package (MAL-2024-11573) that steals credentials and exfiltrates sensitive data (malicious version 94.6). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in detectron4 (PyPI)

MAL-2024-11573
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall detectron4

What this malware does

A campaign of probably pentest packages flooding PYPI. Installing the package or importing the module triggers reporting basic info like hostname, path and the username to the package author. There is no other purpose of the package.

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: 2024-11-byted-dast

Reasons (based on the campaign):

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

  • typosquatting

  • dependency-confusion

Malicious versions

1 flagged
94.6

Indicators of compromise (SHA-256)

ed2041190645121664b94af723b241783e2b6a884069d1d79afc9eacac8b451c
b7af4e540c2a5a3684a3a582b8dea568664d51d5dc7ae8bcd1b81483e5f523c8
65b386bb525d3578f1345cf715ede6e58c9aae5fe31200cb381ac39ff51415e2
40e1dbf6987b12680f1e7e80ddecca355b636398e72045063e95ca18c16c4c4b
afd7b2f0d30e29c9569afac980fbd3d469ffefd0d96f942c49bf78fcde2dddad

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for detectron4 (version 94.6).

  2. If you installed it — respond

    detectron4 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 detectron4 was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. detectron4 on PyPI has been identified as a malicious package (version 94.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2024-110212024-11-byted-dastRLUA-2026-00261

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks detectron4-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

detectron4 (PyPI) malicious package — MAL-2024-11573 | O3 Security