mal-2025-6552
Vulnerability from ossf_malicious_packages
Published
2025-06-09 11:26
Modified
2025-12-11 09:27
Summary
Malicious code in my-fun-tools (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (6642f3653e49e0a80b7fadf4c06bc64cba8a1a359772f1c7a668888278348fd6)
During installation, the obfuscated code attempts to insert a modified Python DLL and runs a code.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-06-my-fun-tools
Reasons (based on the campaign):
-
The package overrides the install command in setup.py to execute malicious code during installation.
-
obfuscation
Credits
ReversingLabs
www.reversinglabs.com
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "my-fun-tools",
"purl": "pkg:pypi/my-fun-tools"
},
"versions": [
"0.1.1",
"0.1.2"
]
}
],
"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": "ANALYST"
},
{
"contact": [
"https://www.reversinglabs.com"
],
"name": "ReversingLabs",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"id": "RLMA-2025-03649",
"import_time": "2025-08-01T10:07:12.773672815Z",
"modified_time": "2025-07-31T19:15:48Z",
"sha256": "f8229907a1c2b8e9a4d1013f6bf6232b3bf902a4b93a2a5750a0b8b95cf18355",
"source": "reversing-labs",
"versions": [
"0.1.1",
"0.1.2"
]
},
{
"id": "pypi/2025-06-my-fun-tools/my-fun-tools",
"import_time": "2025-12-02T22:30:55.350941441Z",
"modified_time": "2025-06-09T11:26:07Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "2b06bd8806e27153d3e50bfa9d87e1de02e33d2dbf117494f1c37cf318f6a253",
"source": "kam193"
},
{
"id": "pypi/2025-06-my-fun-tools/my-fun-tools",
"import_time": "2025-12-02T23:07:18.381918051Z",
"modified_time": "2025-06-09T11:26:07Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "6642f3653e49e0a80b7fadf4c06bc64cba8a1a359772f1c7a668888278348fd6",
"source": "kam193"
},
{
"id": "pypi/2025-06-my-fun-tools/my-fun-tools",
"import_time": "2025-12-10T21:38:57.604620203Z",
"modified_time": "2025-06-09T11:26:07Z",
"sha256": "c5bae316cd4e800afec4b840d75d5ff19324781ce4f0a9e754f2784ff6eeabf0",
"source": "kam193",
"versions": [
"0.1.1",
"0.1.2"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (6642f3653e49e0a80b7fadf4c06bc64cba8a1a359772f1c7a668888278348fd6)\nDuring installation, the obfuscated code attempts to insert a modified Python DLL and runs a code.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-06-my-fun-tools\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\n\n - obfuscation\n",
"id": "MAL-2025-6552",
"modified": "2025-12-11T09:27:53Z",
"published": "2025-06-09T11:26:07Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/my-fun-tools"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in my-fun-tools (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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