Identifying Malicious Code in PyPI Packages

Karlo Zanki, Reverse Engineer at ReversingLabs, discussing their work on "Malicious PyPI crypto pay package aiocpa implants infostealer code." ReversingLabs' machine learning-based threat hunting system identified a malicious PyPI package, aiocpa, designed to exfiltrate cryptocurrency wallet information.

Unlike typical attacks involving typosquatting, the attackers published a seemingly legitimate crypto client tool to build trust before introducing malicious updates. ReversingLabs used its Spectra Assure platform to detect behavioral anomalies and worked with PyPI to remove the package, highlighting the growing need for advanced supply chain security tools to counter increasingly sophisticated threats.

The research can be found here:

• Malicious PyPI crypto pay package aiocpa implants infostealer code

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