mal-2025-191706
Vulnerability from ossf_malicious_packages
Published
2025-03-27 22:55
Modified
2025-12-11 09:27
Summary
Malicious code in conn-utils (PyPI)
Details

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

Source: kam193 (25be0eaa51dd4c4ba03afd81b4cfad938ceb07dacb0195a9179b46413178e086)

Already during the installation, the file with slightly obfuscated code is loaded and starts exfiltrating information about the host. It especially targets information about additional indexes configured for pip. Data is exfiltrated using DNS queries


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

Campaign: 2025-03-conn-utils

Reasons (based on the campaign):

  • exfiltration-generic

  • obfuscation


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "conn-utils"
      },
      "versions": [
        "1.6.10",
        "1.6.11"
      ]
    }
  ],
  "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": [
        "m.yubitusoft.com",
        "yubitusoft.com"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2025-03-conn-utils/conn-utils",
        "import_time": "2025-12-02T22:30:55.070016463Z",
        "modified_time": "2025-03-27T22:55:06Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "9415738fe47d6605e14842900c93f6fe33a33bceb754c53c8f95d48d5b1bbdc8",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-03-conn-utils/conn-utils",
        "import_time": "2025-12-02T23:07:18.080388106Z",
        "modified_time": "2025-03-27T22:55:06Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "25be0eaa51dd4c4ba03afd81b4cfad938ceb07dacb0195a9179b46413178e086",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-03-conn-utils/conn-utils",
        "import_time": "2025-12-10T21:38:57.373243874Z",
        "modified_time": "2025-03-27T22:55:06Z",
        "sha256": "35c56d8161b2bd9aa98bd665b045ba4007e48af10d1bfd9b9925abf0afa5a330",
        "source": "kam193",
        "versions": [
          "1.6.10",
          "1.6.11"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (25be0eaa51dd4c4ba03afd81b4cfad938ceb07dacb0195a9179b46413178e086)\nAlready during the installation, the file with slightly obfuscated code is loaded and starts exfiltrating information about the host. It especially targets information about additional indexes configured for pip. Data is exfiltrated using DNS queries\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-03-conn-utils\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-generic\n\n\n - obfuscation\n",
  "id": "MAL-2025-191706",
  "modified": "2025-12-11T09:27:52Z",
  "published": "2025-03-27T22:55:06Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/conn-utils"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in conn-utils (PyPI)"
}


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Sightings

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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.
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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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