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Part of a larger attack: 2025-08-k7eel published 31 malicious packages. See the full campaign →
Malicious package

nukebountPyPI

Advisory published Updated

nukebount is a confirmed malicious PyPI package (MAL-2025-47789) that steals credentials and exfiltrates sensitive data (malicious version 0.1.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in nukebount (PyPI)

MAL-2025-47789
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall nukebount

What this malware does

Importing the module downloads and executes widely recognized malware

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

Campaign: 2025-08-k7eel

Reasons (based on the campaign):

  • Downloads and executes a remote executable.

  • malware

Malicious versions

1 flagged
0.1.1

Indicators of compromise (SHA-256)

37c0773f023978da1d2d4f82385cdecb97177a074b534fadf6a409f0724cb0f9
b1bd68dd85f643f501baaa7fda8c3924013ce9a1cb6648b50ed323f4d25e2d84
08b5c0de8042d5eedece216ff03327fbb71f32994257141f7d47f01aa8aa5491
3886226e20268f34a29be79d2246aba4e65b4318afb1f81f9914af8dff96fe8c

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for nukebount (version 0.1.1).

  2. If you installed it — respond

    nukebount is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If nukebount was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. nukebount on PyPI has been identified as a malicious package (version 0.1.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-047942025-08-k7eelRLUA-2026-00563

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks nukebount-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

nukebount (PyPI) malicious package — MAL-2025-47789 | O3 Security