mal-2025-191894
Vulnerability from ossf_malicious_packages
Published
2025-11-23 21:05
Modified
2025-12-24 10:09
Summary
Malicious code in testingpkgja (PyPI)
Details

-= Per source details. Do not edit below this line.=-

Source: kam193 (0bd692e8fc46a3f43477d1f095e7c6e2b9666d2d2c60655ac91efd2be07f5193)

Package downloads and starts an external executable. The executable starts the Windows calculator application. Considering this and the package description, this is a test of potentially malicious behaviour.


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-simple-tests

Reasons (based on the campaign):

  • The package overrides the install command in setup.py to execute malicious code during installation.



{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "testingpkgja"
      },
      "versions": [
        "0.1.0"
      ]
    }
  ],
  "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": "pypi/GENERIC-simple-tests/testingpkgja",
        "import_time": "2025-12-02T22:30:56.442545112Z",
        "modified_time": "2025-11-23T21:05:33.70336Z",
        "sha256": "fca3e86fc2c86900f0d6417b3ea497f3fae95579011b0e12b07722b87f1fe972",
        "source": "kam193",
        "versions": [
          "0.1.0"
        ]
      },
      {
        "id": "pypi/GENERIC-simple-tests/testingpkgja",
        "import_time": "2025-12-02T23:07:19.627025918Z",
        "modified_time": "2025-11-23T21:05:33.70336Z",
        "sha256": "0bd692e8fc46a3f43477d1f095e7c6e2b9666d2d2c60655ac91efd2be07f5193",
        "source": "kam193",
        "versions": [
          "0.1.0"
        ]
      },
      {
        "id": "RLMA-2025-06596",
        "import_time": "2025-12-24T10:07:31.509780225Z",
        "modified_time": "2025-12-23T08:39:56Z",
        "sha256": "df29cb02799d2e544ca550e855c0357955523f16afe29890425d9199562984d5",
        "source": "reversing-labs",
        "versions": [
          "0.1.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (0bd692e8fc46a3f43477d1f095e7c6e2b9666d2d2c60655ac91efd2be07f5193)\nPackage downloads and starts an external executable. The executable starts the Windows calculator application. Considering this and the package description, this is a test of potentially malicious behaviour.\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-simple-tests\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-2025-191894",
  "modified": "2025-12-24T10:09:32Z",
  "published": "2025-11-23T21:05:33Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/testingpkgja"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in testingpkgja (PyPI)"
}


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