mal-2025-191777
Vulnerability from ossf_malicious_packages
Published
2025-10-19 16:37
Modified
2025-12-03 00:04
Summary
Malicious code in klsosdoids5 (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (9463b9f77f9d64f5acb9c6a75b2969333be89d6d850af7e75628532ff23e0641)
Package simulates calling home on import and there has no other purpose
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: 2025-10-wangzhou183
Reasons (based on the campaign):
- The package overrides the install command in setup.py to execute malicious code during installation.
Credits
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "klsosdoids5"
},
"versions": [
"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"
}
],
"database_specific": {
"iocs": {
"urls": [
"https://discord.com/api/webhooks/1429446372410654800/CmzQaPJypMtuap4BqDzebkFZfSTVJoFRjj1UGfL_MZ1f7zTagpa5QkgAVC_WOVTA3CMV"
]
},
"malicious-packages-origins": [
{
"id": "pypi/2025-10-wangzhou183/klsosdoids5",
"import_time": "2025-12-02T22:30:56.151485751Z",
"modified_time": "2025-10-19T16:37:42.167982Z",
"sha256": "0229f7e54969cd6d769e1c8e66c89efceb054eb9a5b6e4e5bdb9933f6aba6d8c",
"source": "kam193",
"versions": [
"0.1"
]
},
{
"id": "pypi/2025-10-wangzhou183/klsosdoids5",
"import_time": "2025-12-02T23:07:19.334462233Z",
"modified_time": "2025-10-19T16:37:42.167982Z",
"sha256": "9463b9f77f9d64f5acb9c6a75b2969333be89d6d850af7e75628532ff23e0641",
"source": "kam193",
"versions": [
"0.1"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (9463b9f77f9d64f5acb9c6a75b2969333be89d6d850af7e75628532ff23e0641)\nPackage simulates calling home on import and there has no other purpose\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: 2025-10-wangzhou183\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-2025-191777",
"modified": "2025-12-03T00:04:27Z",
"published": "2025-10-19T16:37:42Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/klsosdoids5"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in klsosdoids5 (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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