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Malicious PyPI Module Poses as SentinelOne SDK

By Ionut Arghire on December 19, 2022

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Safety researchers with ReversingLabs warn of a brand new provide chain assault utilizing a malicious PyPI module that poses as a software program growth package (SDK) from the cybersecurity agency SentinelOne.

The Python bundle was first uploaded on December 11 and acquired roughly 20 updates inside the subsequent two days. The module is totally unrelated to the authentic risk detection agency, however abuses its model repute to draw unsuspecting victims.

Seemingly a fully-functional SentinelOne consumer – the malicious SDK seems constructed on high of authentic SentinelOne code – the bundle comprises backdoor code meant for knowledge theft.

“This PyPI bundle is meant to function an SDK to summary the entry to SentinelOne’s APIs and make programmatic consumption of the APIs less complicated,” ReversingLabs, which calls the assault ‘SentinelSneak’, notes.

The malicious bundle comprises two api.py information that have interaction in suspicious habits comparable to enumerating information in a listing, executing a file, deleting a file/listing, and spawning a brand new course of.

An evaluation of the updates that the bundle acquired over the course of two days confirmed that solely api.py information had been modified. These are the one bundle modules to include the malicious code.

The backdoor was designed to exfiltrate knowledge particular to growth environments, comparable to shell command execution historical past and the contents of the SSH folder, which shops SSH keys and configuration data, together with login credentials for Git, Kubernetes, and AWS providers.

The malware additionally lists folders within the root listing and sends all collected knowledge to the command-and-control (C&C) server.

The modifications made to the bundle present that the attackers tried to adapt to targets by fine-tuning the backdoor to higher work on a number of working methods.

ReversingLabs says it noticed 5 further packages with related naming variations, however these didn’t include api.py information with malicious performance. These packages had been seen previous to December 11 and had been seemingly meant for testing functions.

“The malicious code seems designed to siphon delicate data from growth environments. Based mostly on our evaluation of the malware and the related C&C infrastructure, it’s unclear if this bundle was or is being utilized in energetic assaults in opposition to growth environments, as a result of an absence of proof discovered. The obtain stats recommend that the bundle has been downloaded greater than 1,000 instances,” ReversingLabs warns.

Associated: Python, JavaScript Builders Focused With Pretend Packages Delivering Ransomware

Associated: Safety Companies Discover Over 20 Malicious PyPI Packages Designed for Knowledge Theft

Associated: New OpenSSF Venture Hunts for Malicious Packages in Open Supply Repositories

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