MALICIOUS (1) package from Python Package Index.

1. The campaign has clearly malicious intent, like infostealers.

reqpack

Affected versions: (1) 0.1.0

1. Version numbers are usually added automatically. In most cases, the packages listed here were created only to distribute malicious code.

Campaign data

Campaign information may not always be 100% accurate for every related package.

Campaign description

These packages are used as build dependencies of malicious packages in newer waves of the campaign 2026-02-urllib-slim. They are used to split the malicious action between dependencies and are not malicious alone, but are used together to: exfiltrate information through DNS, collect information about the processes and covering tracks by installing packages from local private repositories.

Package nspack additionally notifies upon importing a domain known for malicious activity with the package and hostname.

See more details on the campaign page.

basic_exfiltration

The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

through_dependency

The malicious code is intentionally included in a dependency of the package

Look up in other services

• Check metadata in pypi-data project (1)
• Search for the package in deps.dev(2)
• Search for the package in socket.dev (3)
• Search for the package in secure.software (4)
• Search for the package in Snyk Advisor (5)

1. May not be available. See more in pypi-json-data repository.
2. Open Source Insights project, provided by Google.
3. Service from Socket.dev, a cybersecurity company.
4. Spectra Assure Community, a service from ReversingLabs, a cybersecurity company.
5. Service from Snyk, a cybersecurity company.