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resolvedcritical

Malicious code in adgrand (PyPI)

The adgrand package on PyPI contained malicious code as part of a campaign by EsqueleSquad group that published nearly 6000 malicious packages across PyPI and NPM ecosystems. The malicious code executed spyware and information-stealing malware.

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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
Threat actor
Esquelesquad
Affected entities
  • adgrandPyPI package containing malicious code

The adgrand package on PyPI was identified as containing malicious code. This package was part of a large-scale campaign by the EsqueleSquad group that published nearly 6000 malicious packages across both PyPI and NPM repositories.\n\nThe malicious code in these packages was designed to execute spyware and information-stealing malware on affected systems. The incident was documented and credited to the OpenSSF's malicious-packages repository, which tracks confirmed malicious package distributions.\n\nThe package has been identified with the malicious package identifier MAL-2023-2483 in the OpenSSF tracking system.

Indicators of compromise

Packages
  • adgrand

Remediation

  • Remove adgrand from all environments and dependencies
  • Audit systems that installed adgrand for signs of compromise, including unauthorized access, data exfiltration, or persistence mechanisms
  • Review and rotate any credentials or sensitive information that may have been exposed
  • Monitor for indicators of compromise related to spyware or information-stealing malware
  • Check PyPI and NPM repositories for other packages from the EsqueleSquad campaign and remove them

Sources

  1. GitHub Advisory GHSA-h696-66ch-r3r8 · GitHub Advisory Database

Cite this entry

"Malicious code in adgrand (PyPI)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 21, 2026; last updated July 21, 2026. https://supplychainattack.org/incident/malicious-code-in-adgrand-pypi-77fcb8

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