# MAL-2025-192690: Malicious code in smtrlib (PyPI)


- **Type:** Malicious package
- **Package:** `smtrlib` (PyPI)
- **Published:** 22 Dec 2025

## What is MAL-2025-192690?

MAL-2025-192690 is a malicious package in smtrlib, published on 22 Dec 2025. 

### Official description

Malicious copy of a standard library module that during class initialization downloads and executes remote code and after that attempts to cover its tracks by overwriting itself with non-malicious code. The remote code aims to collect and exfiltrate sensitive Telegram session files.

This campaign shares infrastructure and basic methods with previous 2025-11-uzip campaign.

---

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

Campaign: 2025-12-smtblib

Reasons (based on the campaign):

 - Downloads and executes a remote malicious script.

 - infostealer

 - target:telegram

 - exfiltration-credentials

 - action-hidden-in-lib-usage

 - covering-tracks

 - clones-real-package

 - typosquatting

## What should I do about MAL-2025-192690?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

## Fix prompt for AI coding agents

```text
MAL-2025-192690 is a malicious package: smtrlib (PyPI). Every version was published to cause harm.

Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.

Reference: https://insights.sbomify.com/MAL-2025-192690/ (Markdown: https://insights.sbomify.com/MAL-2025-192690/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2025-192690

---
From sbomify Insights: https://insights.sbomify.com/MAL-2025-192690/
Summaries are generated and may contain mistakes; the official description above is the record.