mal-2025-191622
Vulnerability from ossf_malicious_packages
Published
2025-10-26 19:33
Modified
2025-12-03 00:04
Summary
Malicious code in donotinstall (PyPI)
Details

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

Source: kam193 (a0c56680f6f4db81ec1ad0691253d592055a3581b00e9c93e3dfd6d448b63212)

Package contains obfuscated reverse shell. However, it connects with a local IP only, thus it's much more a test than a malicious action


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: 2025-10-donotinstall

Reasons (based on the campaign):

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

  • obfuscation


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "donotinstall",
        "purl": "pkg:pypi/donotinstall"
      },
      "versions": [
        "1",
        "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": "RLMA-2025-05590",
        "import_time": "2025-12-02T09:09:36.270831067Z",
        "modified_time": "2025-12-01T12:54:14Z",
        "sha256": "94ed4ebff18057da5526637d1150d8cc470f20112bacca2f43bab949d14216f2",
        "source": "reversing-labs",
        "versions": [
          "1"
        ]
      },
      {
        "id": "pypi/2025-10-donotinstall/donotinstall",
        "import_time": "2025-12-02T22:30:56.000474102Z",
        "modified_time": "2025-10-26T19:33:38.499621Z",
        "sha256": "fecfc822a8976103368c32882bbc7c420938c161e019165d9acd67cb08e2f45a",
        "source": "kam193",
        "versions": [
          "1.0"
        ]
      },
      {
        "id": "pypi/2025-10-donotinstall/donotinstall",
        "import_time": "2025-12-02T23:07:19.195355137Z",
        "modified_time": "2025-10-26T19:33:38.499621Z",
        "sha256": "a0c56680f6f4db81ec1ad0691253d592055a3581b00e9c93e3dfd6d448b63212",
        "source": "kam193",
        "versions": [
          "1.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (a0c56680f6f4db81ec1ad0691253d592055a3581b00e9c93e3dfd6d448b63212)\nPackage contains obfuscated reverse shell. However, it connects with a local IP only, thus it\u0027s much more a test than a malicious action\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: 2025-10-donotinstall\n\n\nReasons (based on the campaign):\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\n\n - obfuscation\n",
  "id": "MAL-2025-191622",
  "modified": "2025-12-03T00:04:27Z",
  "published": "2025-10-26T19:33:38Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/donotinstall"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in donotinstall (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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