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resolvedcritical

Malicious code in admc (PyPI)

The admc package on PyPI was identified as malicious, containing spyware and information-stealing malware. It was part of a campaign by EsqueleSquad group that published nearly 6000 malicious packages across PyPI and NPM ecosystems.

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Disclosed
Last updated
Blast radius
Potentially thousands of installations; part of a campaign distributing nearly 6000 malicious packages across PyPI and NPM.
Ecosystems
PyPI
Attack vectors
Compromised package
Affected entities
  • admcPyPI package containing malicious code

The admc package published on PyPI was identified as containing malicious code designed to execute spyware and information-stealing malware. This package was part of a large-scale campaign attributed to the EsqueleSquad group.

The malicious package campaign involved the publication of nearly 6000 malicious packages across both PyPI and NPM repositories. The admc package represents one instance of this coordinated supply chain attack.

The incident was documented and tracked by the OpenSSF's malicious-packages repository (MAL-2023-2490), providing a centralized reference for this and related malicious packages discovered in the campaign.

Indicators of compromise

Packages
  • admc

Remediation

  • Immediately uninstall the admc package from all systems where it may have been installed
  • Audit systems for signs of spyware or information-stealing malware execution
  • Review package dependencies to identify any reliance on admc or related malicious packages from the EsqueleSquad campaign
  • Implement package verification and scanning in dependency management workflows
  • Monitor PyPI and NPM for similar malicious packages using OpenSSF's malicious-packages database

Sources

  1. GitHub Advisory GHSA-849j-x3jj-4p28 · GitHub Advisory Database

Cite this entry

"Malicious code in admc (PyPI)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 21, 2026; last updated July 21, 2026. https://supplychainattack.org/incident/malicious-code-in-admc-pypi-16ki2j

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