On August 8, 2023, the.NET community was informed that the testing library called Moq exfiltrates developer's emails from their development machine and sends them off to third-party remote servers. Snyk has already published a security advisory and will alert developers who scan and monitor their.NET projects with Snyk.
The JFrog Security Research team recently discovered a new malware payload in the PyPI repository, written in C#. This is uncommon since PyPI is primarily a repository for Python packages, and its codebase consists mostly of Python code, or natively compiled libraries used by Python programs. This finding raised our concerns about the potential for cross-language malware attacks.