VYPR

pypi · Malicious package advisory

Malware

lebinfmt

MAL-2026-10977

Malicious code in lebinfmt (PyPI)

Details


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## Source: amazon-inspector (9eaa5c1d1ed763b9e392bd199c360d75b25531b287de9f224e5626e121d649d4)
Analysis of lebinfmt 1.0.0 surfaced no behaviors matching supply-chain attack classes. No install-time or import-time network I/O, no credential or filesystem enumeration, no subprocess execution of fetched content, no lifecycle hooks performing sensitive actions, and no hardcoded external destinations were identified across the six files reviewed.

## Source: kam193 (448ec8ad7c978d60f142f12780be3bb6ae7b90870fa4c2bf2d50ca7d4111cdfd)
This package is prepared to perform steganography decoding using the same code and was published on the same day as package 'rasterkit,' later used to deliver malicious payload.


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


Campaign: 2026-06-textwrap-toolkit-stager


Reasons (based on the campaign):


 - backdoor


 - obfuscation


 - crypto-related


 - Downloads and executes a remote malicious script.


 - exfiltration-crypto

Compromised versions (1)

  • 1.0.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.