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resolvedcritical

Malicious code in adpip (PyPI)

The adpip package on PyPI was identified as malicious code, part of a campaign by EsqueleSquad that published nearly 6000 malicious packages across PyPI and NPM. The package executes spyware and information-stealing malware.

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Disclosed
Last updated
Blast radius
Potentially thousands of installations; part of a large-scale malicious package campaign affecting both PyPI and NPM ecosystems.
Ecosystems
PyPI
Attack vectors
Compromised package
Threat actor
Esquelesquad
Affected entities
  • adpipMalicious package published to PyPI

The adpip package on PyPI was identified as containing malicious code designed to execute spyware and information-stealing malware. This package was part of a large-scale coordinated campaign by the EsqueleSquad group.\n\nEsqueleSquad published nearly 6000 malicious packages across both PyPI and NPM ecosystems. The malicious packages were discovered and documented by the OpenSSF (Open Source Security Foundation) in their malicious-packages repository.\n\nThe incident was identified and reported through Checkmarx security research, with the malicious package cataloged under identifier MAL-2023-2495 in the OpenSSF's official malicious packages database.

Indicators of compromise

Packages
  • adpip

Remediation

  • Remove adpip from all environments immediately
  • Audit systems that may have installed adpip for signs of compromise, including spyware or data exfiltration
  • Review PyPI package dependencies for other potentially malicious packages from the EsqueleSquad campaign
  • Implement package verification and scanning in dependency management workflows
  • Monitor for indicators of compromise related to information-stealing malware

Sources

  1. GitHub Advisory GHSA-3fmh-7cmm-3hjv · GitHub Advisory Database

Cite this entry

"Malicious code in adpip (PyPI)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 21, 2026; last updated July 21, 2026. https://supplychainattack.org/incident/malicious-code-in-adpip-pypi-19ojhf

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