Malicious Code Injection in evil_basilisk_z3n: A Threat to npm Packages
Summary
MAL-2025-94321: Malicious code in evil_basilisk_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'evil_basilisk_z3n' is part of a broader campaign targeting npm users, specifically linked to the tea.xyz token reward initiative. This package is designed to manipulate the npm registry by generating and publishing numerous derivative packages with randomized names. Its primary function is to inflate developer reputation scores for token rewards, making it a tool for malicious actors looking to exploit the npm ecosystem.
Vulnerability Detail
The vulnerability in 'evil_basilisk_z3n' stems from its inclusion in a malicious campaign that utilizes autopublish scripts to modify the package.json file. This modification removes private flags, alters version numbers, and generates random package names, leading to the continuous republishing of variants. The ramifications include pollution of the npm registry, potential security risks for developers using these packages, and a compromised reputation system within the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall evil_basilisk_z3nIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using any packages that are part of the tea.xyz token reward campaign. Regularly audit your package.json and package-lock.json files for any suspicious entries or dependencies.
Conclusion
The 'evil_basilisk_z3n' package poses a significant threat to the npm ecosystem due to its malicious intent to manipulate package publishing and developer reputation. It is crucial for developers to remain vigilant, regularly audit their dependencies, and utilize tools like Vulert to ensure their projects are secure.
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FAQ
'evil_basilisk_z3n' is an npm package involved in a malicious campaign aimed at manipulating the npm registry and inflating developer reputation scores.
The vulnerability can lead to the pollution of the npm registry, security risks from using compromised packages, and potential damage to your project's reputation.
Immediately uninstall the 'evil_basilisk_z3n' package using 'npm uninstall evil_basilisk_z3n' and audit your other dependencies.
Yes, you can use Vulert to monitor your project for open-source vulnerabilities in real-time. It requires only your package-lock.json file and no installation.
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