{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "python-module-installer"
      },
      "versions": [
        "3.15.6",
        "3.15.7",
        "3.15.8",
        "3.15.9",
        "3.15.10"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-03-old-python-module-installer/python-module-installer",
        "import_time": "2026-03-06T13:50:46.64818873Z",
        "modified_time": "2026-03-06T13:02:03.199623Z",
        "sha256": "61bfa181c5afb9e33e0d529138c813fc05d8130062182d9d1a5cb4ef9c8da0ea",
        "source": "kam193",
        "versions": [
          "3.15.6",
          "3.15.7",
          "3.15.8",
          "3.15.9",
          "3.15.10"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (61bfa181c5afb9e33e0d529138c813fc05d8130062182d9d1a5cb4ef9c8da0ea)\nThe package clones a legitimate webdavclient3 library and modifies it to be an installer utility. During installation, the package exfiltrates the current working directory to a remote WebDAV server or Telegram Bot. Additionally, the package targets cryptocurrency operations in another suspicious project, https://github.com/fewcatltd/zkSync/\n\nThe install_modules() method injects code into two files, which are characteristic for this repository, and causes exfiltrating configuration files during cryptocurrency exchange operations.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-03-old-python-module-installer\n\n\nReasons (based on the campaign):\n\n\n - impersonation\n\n\n - dependency-confusion\n\n\n - files-exfiltration\n\n\n - action-hidden-in-lib-usage\n\n\n - clones-real-package\n\n\n - crypto-related\n\n\n - exfiltration-crypto\n",
  "id": "MAL-2026-1263",
  "modified": "2026-03-06T13:02:03Z",
  "published": "2026-03-06T13:02:02Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/Python-source-dev/python-module-installer/commit/f58c60b95e98dc9ae8f0fb03ed8eaa5fa23e14cf"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Python-source-dev/python-module-installer"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python-requirements/requirements"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fewcatltd/zkSync/"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/python-module-installer"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in python-module-installer (PyPI)"
}