mal-2025-191932
Vulnerability from ossf_malicious_packages
Published
2025-06-07 16:33
Modified
2025-12-11 09:27
Summary
Malicious code in win32con (PyPI)
Details

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

Source: kam193 (b4e7d7a177e3531b4a2566e3c5d1796c1bf18c922bda8943d13e92ef33044141)

While described as telemetry, importing the package attempts to send out some basic info as well as quite sensitive environmental variables.


Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-06-stubsout

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.

  • exfiltration-env-variables


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "win32con"
      },
      "versions": [
        "0.0.1",
        "0.0.2"
      ]
    }
  ],
  "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": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "api.diar.ai"
      ],
      "urls": [
        "https://api.diar.ai/pyvac"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2025-06-stubsout/win32con",
        "import_time": "2025-12-02T22:30:55.773906249Z",
        "modified_time": "2025-06-07T16:33:11Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "a8204b958d08e6a7d5ea23e668e556446f4a774467fac33d71683c2775247db8",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-06-stubsout/win32con",
        "import_time": "2025-12-02T23:07:18.817721425Z",
        "modified_time": "2025-06-07T16:33:11Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "b4e7d7a177e3531b4a2566e3c5d1796c1bf18c922bda8943d13e92ef33044141",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-06-stubsout/win32con",
        "import_time": "2025-12-10T21:38:57.992191801Z",
        "modified_time": "2025-06-07T16:33:11Z",
        "sha256": "688e9e96675d223403f45439950adecdd409cf8fa2e9d658735a1b1ffc5a2f4e",
        "source": "kam193",
        "versions": [
          "0.0.1",
          "0.0.2"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (b4e7d7a177e3531b4a2566e3c5d1796c1bf18c922bda8943d13e92ef33044141)\nWhile described as telemetry, importing the package attempts to send out some basic info as well as quite sensitive environmental variables.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-06-stubsout\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 - exfiltration-env-variables\n",
  "id": "MAL-2025-191932",
  "modified": "2025-12-11T09:27:54Z",
  "published": "2025-06-07T16:33:11Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/win32con"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in win32con (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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