Which versions of nucbox are malicious?

The following PyPI versions of nucbox are flagged malicious: 0.1.2, 0.1.3. Treat any of these as compromised.

How do I remediate nucbox if I installed it?

Remove nucbox from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound network activity or persistence. Use O3 Security's dependency scanner to confirm the package and its artifacts are fully purged across your stack.

Is nucbox part of a known attack campaign?

Yes — nucbox is associated with the 2026-06-compr-woodpecker campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

Can O3 Security detect nucbox in my codebase?

Yes. O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, blocking nucbox and packages like it before any post-install script runs.

Malicious package

nucboxPyPI

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

MAL-2026-5276

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

pip uninstall nucbox

What this malware does

Versions 0.1.2, 0.1.3 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

0.1.20.1.3

Indicators of compromise (SHA-256)

e98ac1a9b5840905b608a09e8e66c73b750c0baa17d6b7789adfc94a8fd815e4

d6b558e098eeb4296d1ff127be810e798db145ee93d4157702d4cf06d4a0b25b

1027aa2bfd620e35fdbb30283913fd6d2da6c7f150632ebc2bd725690ae5d075

68e109a63169d11c02b0f90d8ef5343315c9cc2d2bede567b2ca0fe922d15049

Frequently asked questions

No. nucbox on PyPI has been identified as a malicious package (versions 0.1.2, 0.1.3 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

Scan your dependencies

O3 Security blocks malicious packages like this at install time and in CI.

Supply-chain protection