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Malicious package

funcdescPyPI

Malicious code in funcdesc (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2026-5300
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall funcdesc

What this malware does

Versions 0.2.2, 0.2.3 were compromised.

Compromised packages start an obfuscated infostealer. The infostealer is a heavily obfuscated JavaScript code executed using Bun runtime on Python startup. It collectes all kinds of sensitive data, including API keys, credentials to package repositories, cryptocurrency assets, password manager data. Infostealer actively queries online services to collect additional secrets as well as attempts to gain persistence and spread further by publishing infected packages using collected credentials. Data are exfiltrated likely using Github. The code seems to threaten to wipe the user's data if it detects invalid GitHub tokens. Cleanup should be done with caution.

It seems to be related to the recent Mini Shai Hulud campaign.

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

Campaign: 2026-06-compr-woodpecker

Reasons (based on the campaign):

  • compromised-package

  • exfiltration-env-variables

  • exfiltration-cloud-tokens

  • exfiltration-credentials

  • abuses-pth

  • obfuscation

  • infostealer

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

  • exfiltration-crypto

  • files-exfiltration

  • destructive-actions

Malicious versions

2 flagged
0.2.20.2.3

Indicators of compromise (SHA-256)

c6f85c691f141dc4c962171ac49945286bb40e15cb8450d2f42d048a3f53bb22
72f65b090fe99d340a8b222992fa485d3b285c22d5ab062dfb982a714bad7d4d
cb003c7110c066c512861cf6f1fb69d124169cbf9af0e238b584f17ddd4603da
7054d870b3afb07fc18e6e4b8b91939e0c0586e6c8a98dd5217eebc0ab446595

Frequently asked questions

No. funcdesc on PyPI has been identified as a malicious package (versions 0.2.2, 0.2.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-06-compr-woodpecker

References

Credits

  • Kamil Mańkowski (kam193) · reporter

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funcdesc (PyPI) malicious package — MAL-2026-5300 | O3 Security