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A concerning trend of hackers exploiting open-source software supply chains has been identified, with malicious backdoors being planted in Python and NPM packages. Security researchers at Checkmarx Zero have uncovered a sophisticated campaign where attackers are using typosquatting and name-confusion tactics to trick users into downloading harmful software. This cross-ecosystem approach targets both Windows and Linux systems, deploying multi-platform payloads with the capability to steal data and establish remote control. These findings highlight the growing need for enhanced security measures within open-source ecosystems to combat supply chain attacks.
This campaign leverages the Python Package Index (PyPI) and Node Package Manager (NPM) by mimicking legitimate software. Specifically, the attack targeted users of "colorama," a popular Python tool, and "colorizr," a similar JavaScript package, by uploading packages with names like "coloramapkgs" and "colorizator". The malicious packages carry dangerous payloads designed to give attackers remote access and control, allowing them to harvest and exfiltrate sensitive data. On Windows systems, the malware attempts to bypass antivirus software, while on Linux, it establishes encrypted connections, steals information, and maintains a hidden presence. Fortunately, the identified malicious packages have been removed from public software repositories, limiting their immediate potential for damage. However, the lack of clear attribution data makes it difficult to trace the campaign back to a known adversary. Vet, an open-source tool designed to help developers and security engineers spot risks in their software supply chains, goes beyond traditional software composition analysis by detecting known vulnerabilities and flagging malicious packages. It supports ecosystems like npm, PyPI, Maven, Go, Docker, and GitHub Actions, assisting in the detection of supply chain attacks. References :
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