The Open Source Security Foundation (OpenSSF) announced the release of the first version of a new tool, dubbed Package Analysis, to perform dynamic analysis of the packages uploaded to popular open-source repositories.
“Today we’re pleased to announce the initial prototype version of the Package Analysis project, an OpenSSF project addressing the challenge of identifying malicious packages in popular open source repositories.” reads the announcement published by OpenSSF. “The Package Analysis project seeks to understand the behavior and capabilities of packages available on open source repositories: what files do they access, what addresses do they connect to, and what commands do they run?,”
The project also tracks dynamic changes in the behavior of the packages over time. Most of the malicious packages we detected are dependency confusion and typosquatting attacks.
“The packages we found usually contain a simple script that runs during an install and calls home with a few details about the host. These packages are most likely the work of security researchers looking for bug bounties, since most are not exfiltrating meaningful data except the name of the machine or a username, and they make no attempt to disguise their behavior.” concludes the announcement. “Still, any one of these packages could have done far more to hurt the unfortunate victims who installed them, so Package Analysis provides a countermeasure to these kinds of attacks.”
Currently, the OpenSSF has only released an initial prototype version of the Package Analysis project,
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