mal-2025-41781
Vulnerability from ossf_malicious_packages
Published
2025-08-04 16:22
Modified
2025-12-11 09:27
Summary
Malicious code in thisisthedaventestz (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (d5f510bfda1aeb6999f77b06597e760e13d4058dab2a7f8620bf8c561db5d39c)
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": "thisisthedaventestz",
"purl": "pkg:pypi/thisisthedaventestz"
},
"versions": [
"99.99.99"
]
}
],
"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-2025-04279",
"import_time": "2025-08-29T06:41:55.7003514Z",
"modified_time": "2025-08-28T07:12:06Z",
"sha256": "6553937fd4b937128281ff9cb7a961b992a3ad616d7de721bbe13710ffa1c4db",
"source": "reversing-labs",
"versions": [
"99.99.99"
]
},
{
"id": "pypi/GENERIC-standard-pypi-install-pentest/thisisthedaventestz",
"import_time": "2025-12-02T22:30:56.456353899Z",
"modified_time": "2025-08-04T16:22:16.881087Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "0bbfbbcf20f034759aef07877dabb55ce830ddb1e4ee277a3dc3d6f1e06cb454",
"source": "kam193"
},
{
"id": "pypi/GENERIC-standard-pypi-install-pentest/thisisthedaventestz",
"import_time": "2025-12-02T23:07:19.640509187Z",
"modified_time": "2025-08-04T16:22:16.881087Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "d5f510bfda1aeb6999f77b06597e760e13d4058dab2a7f8620bf8c561db5d39c",
"source": "kam193"
},
{
"id": "pypi/GENERIC-standard-pypi-install-pentest/thisisthedaventestz",
"import_time": "2025-12-10T21:38:58.742636774Z",
"modified_time": "2025-08-04T16:22:16.881087Z",
"sha256": "5d5c55feb31dc6c0b6df0f9465102be5514cee8caed031b68f6c64778e9be754",
"source": "kam193",
"versions": [
"99.99.99"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (d5f510bfda1aeb6999f77b06597e760e13d4058dab2a7f8620bf8c561db5d39c)\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-2025-41781",
"modified": "2025-12-11T09:27:54Z",
"published": "2025-08-04T16:22:16Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/thisisthedaventestz"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in thisisthedaventestz (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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