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Malicious code in claudeopusenifile (PyPI)

Malware Published Oct 26, 2026 to the GitHub Advisory Database • Updated Oct 26, 2026

Package

pip claudeopusenifile (pip)

Affected versions

= 0.1.3

Patched versions

None

Description

Source: kam193 (051daf7dfb8c28210996afbf561646b38781f563483e6c2e7471add0a6021885)

During installation, obfuscated code is used to fetch code hidden in an image containing a Python application with a native extension module. This module holds an obfuscated infostealer which collects sensitive data and exfiltrates them to a C2 server retrieved from transaction history in the Polygon blockchain.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-09-donutautosellsrc

Reasons (based on the campaign):

  • infostealer

  • Downloads and executes a remote executable.

  • obfuscation

  • The package contains code to detect if it is running in a sandbox environment.

  • malware

  • native-extension

  • steganography

  • c2-in-blockchain

Credit: OpenSSF (source)

References

Published to the GitHub Advisory Database Oct 26, 2026
Reviewed Oct 26, 2026
Last updated Oct 26, 2026

EPSS score

Weaknesses

Embedded Malicious Code

The product contains code that appears to be malicious in nature. Learn more on MITRE.

GHSA ID

GHSA-8whx-wfhh-6vh5

Source code

No known source code
Improvements are not currently accepted on this advisory because this package is malware and has no patched versions. If there is something to change, please open an issue at https://github.com/github/advisory-database/issues.