Which versions of wayspiritmcp-ppa are malicious?

The following PyPI versions of wayspiritmcp-ppa are flagged malicious: 0.1.0, 0.1.1. Treat any of these as compromised.

How do I remediate wayspiritmcp-ppa if I installed it?

Remove wayspiritmcp-ppa 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 activity or persistence.

I already installed wayspiritmcp-ppa — how do I know if it already compromised me?

If wayspiritmcp-ppa 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.

Is wayspiritmcp-ppa part of a known attack campaign?

Yes — wayspiritmcp-ppa is associated with the 2025-11-wayspirit campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find wayspiritmcp-ppa across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for wayspiritmcp-ppa (2 malicious versions).

Part of a larger attack: 2025-11-wayspirit published 8 malicious packages. See the full campaign →

Malicious package

wayspiritmcp-ppaPyPI

Advisory published Nov 5, 2025Updated Dec 31, 2025

wayspiritmcp-ppa is a confirmed malicious PyPI package (MAL-2025-191925) that executes malicious code on install (malicious versions 0.1.0, 0.1.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in wayspiritmcp-ppa (PyPI)

MAL-2025-191925

Immediate action

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

pip uninstall wayspiritmcp-ppa

What this malware does

Package seems to provide an MCP server, but in fact contains attempts to make an LLM agent break safeguards. As the request is about leaves just a flag, it seems to be research.

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: 2025-11-wayspirit

Reasons (based on the campaign):

llm-threat

Malicious versions

2 flagged

0.1.00.1.1

Indicators of compromise (SHA-256)

4fe32f342d558eff24f50c4a76d23d32ca56bd51b39d5c3bb4c8fc9413f3ec2c

efa23f0b46a88dcde4aa71c67cba31f46d0f8a9eef555daa0cbe4f2bd54d7a38

b47821d4a139d98475de81a20f416d4714e3844bfa4e4921724e2043114808b5

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for wayspiritmcp-ppa (2 malicious versions).
If you installed it — respond
Remove wayspiritmcp-ppa 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 activity or persistence.
Did it already run?
If wayspiritmcp-ppa 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. wayspiritmcp-ppa on PyPI has been identified as a malicious package (versions 0.1.0, 0.1.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2025-11-wayspirit

References

bad-packages.kam193.eu

Credits

Kamil Mańkowski (kam193)

Detect & block this

O3 blocks wayspiritmcp-ppa-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database