mal-2025-6541
Vulnerability from ossf_malicious_packages
Published
2025-07-04 11:41
Modified
2025-12-11 09:27
Summary
Malicious code in malimalo (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (3b4acdcbd7f8ae1e20019b3c0126a4b5bac73cb07a6bc4c0c3a024bc2a390b34)
The only goal of the package is to execute a webhook or a suspicious file during installation.
Closely related to 2025-07-0x9xnx - created after previous packages were quarantined, similar names, similar usage, but no clearly malicious parts.
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: 2025-07-malimalo
Reasons (based on the campaign):
- The package overrides the install command in setup.py to execute malicious code during installation.
Credits
ReversingLabs
www.reversinglabs.com
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "malimalo",
"purl": "pkg:pypi/malimalo"
},
"versions": [
"0.0.1"
]
}
],
"credits": [
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)"
},
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "REPORTER"
},
{
"contact": [
"https://www.reversinglabs.com"
],
"name": "ReversingLabs",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"id": "RLMA-2025-03637",
"import_time": "2025-08-01T10:07:12.423123784Z",
"modified_time": "2025-07-31T19:15:37Z",
"sha256": "d8610dcc53f2836495becebaa0c2f2ad2f2e131e44da8c3009517de018410f15",
"source": "reversing-labs",
"versions": [
"0.0.1"
]
},
{
"id": "pypi/2025-07-malimalo/malimalo",
"import_time": "2025-12-02T22:30:56.190737248Z",
"modified_time": "2025-07-04T11:41:06Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "0aa1f8b77438d2568df013c5926cfd65aafa39246c5ec3cf1729e19668a3cf9b",
"source": "kam193"
},
{
"id": "pypi/2025-07-malimalo/malimalo",
"import_time": "2025-12-02T23:07:19.372195614Z",
"modified_time": "2025-07-04T11:41:06Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "3b4acdcbd7f8ae1e20019b3c0126a4b5bac73cb07a6bc4c0c3a024bc2a390b34",
"source": "kam193"
},
{
"id": "pypi/2025-07-malimalo/malimalo",
"import_time": "2025-12-10T21:38:58.498034745Z",
"modified_time": "2025-07-04T11:41:06Z",
"sha256": "1ded7a117fd168edf74611ecfeffdaca97e288f63ef851330b803b7ee8aa946d",
"source": "kam193",
"versions": [
"0.0.1"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (3b4acdcbd7f8ae1e20019b3c0126a4b5bac73cb07a6bc4c0c3a024bc2a390b34)\nThe only goal of the package is to execute a webhook or a suspicious file during installation.\n\nClosely related to 2025-07-0x9xnx - created after previous packages were quarantined, similar names, similar usage, but no clearly malicious parts.\n\n\n---\n\nCategory: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research \u0026 co, with clearly low-harm possibilities.\n\n\nCampaign: 2025-07-malimalo\n\n\nReasons (based on the campaign):\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n",
"id": "MAL-2025-6541",
"modified": "2025-12-11T09:27:53Z",
"published": "2025-07-04T11:41:06Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/malimalo"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in malimalo (PyPI)"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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