Which versions of marshl are malicious?

The following PyPI versions of marshl are flagged malicious: 0.3. Treat any of these as compromised.

How do I remediate marshl if I installed it?

marshl 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.

I already installed marshl — how do I know if it already compromised me?

If marshl 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 marshl part of a known attack campaign?

Yes — marshl is associated with the 2025-10-speedd-testing-bot 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 marshl across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for marshl (version 0.3).

Part of a larger attack: 2025-10-speedd-testing-bot published 26 malicious packages. See the full campaign →

Malicious package

marshlPyPI

Advisory published Feb 1, 2026Updated Jul 20, 2026

marshl is a confirmed malicious PyPI package (MAL-2026-623) that steals credentials and exfiltrates sensitive data (malicious version 0.3). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in marshl (PyPI)

MAL-2026-623

Immediate action

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

pip uninstall marshl

What this malware does

The package, distinguished as a speed testing or typosquatted Telegram library, contains a Telegram bot to perform remote control of the computer

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

Campaign: 2025-10-speedd-testing-bot

Reasons (based on the campaign):

typosquatting
Downloads and executes a remote malicious script.
rat

Malicious versions

1 flagged

0.3

Indicators of compromise (SHA-256)

e44ea5c8f70f7ca994880bf0bc0a6b2ffe444b3c57852ab81d0426fdbc8f6f22

b67ccb8eb478a95efba3f7ce6e072fe0bfb38a168d0634dc93fc1e03a22dbcfe

c3ce630021e8fdc3484bb34866adbdb8544db13d7f7624d396e871d355e7bbd8

Detection & response playbook

Credential / info stealer

Find it
Search your lockfiles and build artifacts for marshl (version 0.3).
If you installed it — respond
marshl 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.
Did it already run?
If marshl 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. marshl on PyPI has been identified as a malicious package (version 0.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2025-10-speedd-testing-bot

References

Credits

Kamil Mańkowski (kam193) · reporter

Detect & block this

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

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database