{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "spellcheckers"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.0",
        "1.3.0",
        "1.2.0",
        "1.1.1",
        "1.1.0",
        "1.0.0",
        "1.5.0"
      ]
    }
  ],
  "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"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "dothebest.store"
      ],
      "urls": [
        "dothebest.store/allow/inform.php",
        "dothebest.store/refresh.php"
      ]
    },
    "malicious-packages-origins": [
      {
        "import_time": "2025-12-01T23:34:06.5476Z",
        "modified_time": "2025-12-01T23:33:02Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754",
        "source": "google-open-source-security",
        "versions": [
          "1.4.0"
        ]
      },
      {
        "id": "pypi/2025-11-spellcheckers/spellcheckers",
        "import_time": "2025-12-02T22:30:55.605835156Z",
        "modified_time": "2025-11-16T11:08:23.442224Z",
        "sha256": "be6181a6e093f3690fb5ea437000e85951c02043f8e9c04d51129adf65e1ba47",
        "source": "kam193",
        "versions": [
          "1.3.0",
          "1.2.0",
          "1.1.1",
          "1.1.0",
          "1.0.0",
          "1.4.0",
          "1.5.0"
        ]
      },
      {
        "id": "pypi/2025-11-spellcheckers/spellcheckers",
        "import_time": "2025-12-02T23:07:18.645484236Z",
        "modified_time": "2025-11-16T11:08:23.442224Z",
        "sha256": "6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75",
        "source": "kam193",
        "versions": [
          "1.3.0",
          "1.2.0",
          "1.1.1",
          "1.1.0",
          "1.0.0",
          "1.4.0",
          "1.5.0"
        ]
      },
      {
        "id": "pypi/2025-11-spellcheckers/spellcheckers",
        "import_time": "2025-12-30T22:39:04.182445231Z",
        "modified_time": "2025-11-16T11:08:23.442224Z",
        "sha256": "f1480b0a527a5822a51a4c61b868fd8f3adbcf1d117e98fb5c3cd776a1a8dd0d",
        "source": "kam193",
        "versions": [
          "1.0.0",
          "1.1.0",
          "1.1.1",
          "1.2.0",
          "1.3.0",
          "1.4.0",
          "1.5.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754)\nThis package is malicious and typosquating the legitimate pyspellchecker library.\nThis package will deploy a remote-access trojan that allows the attacker full\ncontrol of the victim\u0027s host.\n\n## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75)\nPackage contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-11-spellcheckers\n\n\nReasons (based on the campaign):\n\n\n - obfuscation\n\n\n - Downloads and executes a remote malicious script.\n\n\n - The package contains code to execute remote commands (probably limited to a specific set) on the victim\u0027s machine.\n",
  "id": "MAL-2025-191533",
  "modified": "2025-12-31T02:45:16Z",
  "published": "2025-11-15T18:49:10Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://helixguard.ai/blog/malicious-spellcheckers-2025-11-19"
    },
    {
      "type": "ARTICLE",
      "url": "https://securityonline.info/pypi-typosquat-delivers-multi-layer-python-rat-bypassing-scanners-with-xor-encryption/"
    },
    {
      "type": "WEB",
      "url": "https://helixguard.ai/blog/malicious-spellcheckers-2025-11-19"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/spellcheckers"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in spellcheckers (PyPI)"
}