mal-2025-47794
Vulnerability from ossf_malicious_packages
Published
2025-08-23 17:37
Modified
2025-12-03 00:04
Summary
Malicious code in py-sys-utils (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (0f9d0b03bfee3afe8585a595eb40b5bb3d9d59db389bc864641b19aadd6bb764)
Installing the package or importing the module exfiltrates basic information about the host, and the package 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: GENERIC-standard-pypi-install-pentest
Reasons (based on the campaign):
-
The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.
-
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": "py-sys-utils",
"purl": "pkg:pypi/py-sys-utils"
},
"versions": [
"3.0.1",
"3.2.4"
]
}
],
"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-2025-04801",
"import_time": "2025-09-26T11:05:35.369301604Z",
"modified_time": "2025-09-26T09:14:26Z",
"sha256": "2996d0ca23390a89d9cef8c29bf840293236cfd0b2f3925f1b70aa0dc6114b7a",
"source": "reversing-labs",
"versions": [
"3.0.1"
]
},
{
"id": "pypi/GENERIC-standard-pypi-install-pentest/py-sys-utils",
"import_time": "2025-12-02T22:30:56.322561408Z",
"modified_time": "2025-08-23T19:23:24.150167Z",
"sha256": "35d95f5426d289821cfffb82d4f55cf23c78e58a1f4ea2e4dc11ea09fea11a90",
"source": "kam193",
"versions": [
"3.0.1",
"3.2.4"
]
},
{
"id": "pypi/GENERIC-standard-pypi-install-pentest/py-sys-utils",
"import_time": "2025-12-02T23:07:19.512811127Z",
"modified_time": "2025-08-23T19:23:24.150167Z",
"sha256": "0f9d0b03bfee3afe8585a595eb40b5bb3d9d59db389bc864641b19aadd6bb764",
"source": "kam193",
"versions": [
"3.0.1",
"3.2.4"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (0f9d0b03bfee3afe8585a595eb40b5bb3d9d59db389bc864641b19aadd6bb764)\nInstalling the package or importing the module exfiltrates basic information about the host, and the package 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: GENERIC-standard-pypi-install-pentest\n\n\nReasons (based on the campaign):\n\n\n - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n",
"id": "MAL-2025-47794",
"modified": "2025-12-03T00:04:27Z",
"published": "2025-08-23T17:37:17Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/py-sys-utils"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in py-sys-utils (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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