Analyzing Impala Stealer – Payload of the first NuGet attack campaign In this blog post, we’ll provide a detailed analysis of a malicious payload we’ve dubbed “Impala Stealer”, a custom crypto stealer which was used as the payload for the NuGet malicious packages campaign we’ve exposed in our previous post. The sophisticated campaign targeted .NET …
Update 2023-03-21 – We’ve talked with members of the NuGet team and they had already detected and removed the malicious packages in question. Malicious packages are often spread by the open source NPM and PyPI package repositories, with few other repositories affected. Specifically – there was no public evidence of severe malicious activity in the …
In this third post in our series on Malicious Software Packages, we’ll focus on the aftermath of a successful attack and how the attacker executes payloads to serve their needs through various real-life scenarios. Before we start, let’s review a few highlights from the second post you might’ve missed: There are common types of infection methods …
Code that an organization’s developers create is only the beginning of modern software development. In fact, first-party code is likely to be only a small portion of an application – sometimes as little as 10% of the application’s artifact ecosystem. An enterprise’s software supply chain is made of many parts, accumulated from many sources: open …
The JFrog Security research team continuously monitors popular open source software (OSS) repositories with our automated tooling to avert potential software supply chain security threats, and reports any vulnerabilities or malicious packages discovered to repository maintainers and the wider community. Two days ago, several of our automated analyzers started alerting on a set of packages …
The JFrog Security research team continuously monitors popular open source software (OSS) repositories with our automated tooling to avert potential software supply chain security threats, and reports any security vulnerability or malicious packages discovered to repository maintainers and the wider community. Most recently we disclosed 25 malicious packages in the npm repository that were picked up …
Modern software projects are mostly composed of open source code. The question of who really controls this code, and is responsible for detecting and fixing software supply chain security issues, became a significant source of concern after the discovery of the Log4Shell vulnerability. In a more recent development, the highly popular colors and faker npm …
The JFrog Security research team continuously monitors popular open source software (OSS) repositories with our automated tooling, and reports any vulnerabilities or malicious packages discovered to repository maintainers and the wider community. Most recently we disclosed 11 malicious packages in the PyPI repository, a discovery that shows attacks are getting more sophisticated in their approach. …
The JFrog Security research team continuously monitors popular open source software (OSS) repositories with our automated tooling to report vulnerable and malicious packages to repository maintainers. Earlier this year we disclosed several malicious packages targeting developers’ private data that were downloaded approximately 30K times. Today, we will share details about 11 new malware packages that …
Software package repositories are becoming a popular target for supply chain attacks. Recently, there has been news about malware attacks on popular repositories like npm, PyPI, and RubyGems. Developers are blindly trusting repositories and installing packages from these sources, assuming they are secure. Sometimes malware packages are allowed to be uploaded to the package repository, …
