mal-2025-4219
Vulnerability from ossf_malicious_packages
Published
2025-05-11 17:17
Modified
2025-12-11 09:27
Summary
Malicious code in free-internet-dns (PyPI)
Details

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

Source: kam193 (80f5bbcb50f9c9699a083711bb4d59905b49a198ddcd8c95425030d01d6a45e5)

Installing the package installs a backdoor (a qsocket.io) and automatically uploads access credentials (from the output of the qsocket client) to the remote server.


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

Campaign: 2025-05-free-internet-dns

Reasons (based on the campaign):

  • backdoor

  • The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "free-internet-dns",
        "purl": "pkg:pypi/free-internet-dns"
      },
      "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": {
    "iocs": {
      "urls": [
        "http://165.227.81.186:5050/upload"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "RLMA-2025-02573",
        "import_time": "2025-05-22T14:06:35.645812731Z",
        "modified_time": "2025-05-22T12:33:33Z",
        "sha256": "9b45897e865516906601c5e2905b526811ce83312a91a4c7979dc3be188cc103",
        "source": "reversing-labs",
        "versions": [
          "0.1.0"
        ]
      },
      {
        "id": "pypi/2025-05-free-internet-dns/free-internet-dns",
        "import_time": "2025-12-02T22:30:55.205376363Z",
        "modified_time": "2025-05-11T17:17:08Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "810ace2ac79548f01de569f9a4abadf8845cf1fcfcabf389fc1232d8a3b06775",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-05-free-internet-dns/free-internet-dns",
        "import_time": "2025-12-02T23:07:18.214216425Z",
        "modified_time": "2025-05-11T17:17:08Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "80f5bbcb50f9c9699a083711bb4d59905b49a198ddcd8c95425030d01d6a45e5",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-05-free-internet-dns/free-internet-dns",
        "import_time": "2025-12-10T21:38:57.499532856Z",
        "modified_time": "2025-05-11T17:17:08Z",
        "sha256": "d37c0995162f9957b3a2ee4b9161d8deaf39efc8b33acdeafbb38daa5ff6f835",
        "source": "kam193",
        "versions": [
          "0.1.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (80f5bbcb50f9c9699a083711bb4d59905b49a198ddcd8c95425030d01d6a45e5)\nInstalling the package installs a backdoor (a qsocket.io) and automatically uploads access credentials (from the output of the qsocket client) to the remote server.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-05-free-internet-dns\n\n\nReasons (based on the campaign):\n\n\n - backdoor\n\n\n - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim\u0027s machine.\n",
  "id": "MAL-2025-4219",
  "modified": "2025-12-11T09:27:53Z",
  "published": "2025-05-11T17:17:08Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/free-internet-dns"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in free-internet-dns (PyPI)"
}


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Sightings

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  • 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.
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  • 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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