Malicious code in yeahmankema (PyPI)
Malicious code was published in the yeahmankema package on PyPI. The package exfiltrates screenshots and network information to a hardcoded target, functioning as spyware.
- Disclosed
- Last updated
- Blast radius
- All users who installed the malicious yeahmankema package from PyPI
- Ecosystems
- Attack vectors
- Threat actor
- Affected entities
- yeahmankemaPyPI package containing malicious code
The yeahmankema package published on PyPI contained malicious code designed to steal sensitive information from infected systems. The package exfiltrates screenshots and network information to a hardcoded command-and-control target.\n\nThe malicious package was part of the 2026-05-crayrandomiz campaign and employed obfuscation techniques to evade detection. The package was identified and attributed to the OpenSSF malicious-packages repository.\n\nUsers who installed this package are at risk of information theft and system compromise. The package should be removed immediately from any affected systems.
Indicators of compromise
- Packages
- yeahmankema
Remediation
- Immediately uninstall the yeahmankema package from all systems using 'pip uninstall yeahmankema'
- Scan affected systems for signs of compromise, including unauthorized network connections and suspicious processes
- Review system logs and network traffic for evidence of data exfiltration
- Change credentials and review account activity on any systems that had the package installed
- Monitor for unauthorized access or data breaches on affected systems
- Report the incident to your security team and consider notifying relevant parties if sensitive data was exposed
Sources
- GitHub Advisory GHSA-8hvp-pp6m-8c3p · GitHub Advisory Database
Cite this entry
"Malicious code in yeahmankema (PyPI)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 21, 2026; last updated July 21, 2026. https://supplychainattack.org/incident/malicious-code-in-yeahmankema-pypi-1i9u0e
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