mal-2024-11584
Vulnerability from ossf_malicious_packages
Published
2024-10-03 16:34
Modified
2025-12-11 09:27
Summary
Malicious code in exflibrary (PyPI)
Details

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

Source: kam193 (95deb938eb8fd38976a38faf2fd2117318966fc829c080f35d6d999ff37d1236)

When importing the module and a specific file exists in the current directory, obfuscated code downloads and starts the next stage of obfuscated code (cstealer infostealer)


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

Campaign: 2024-10-pyutiltool

Reasons (based on the campaign):

  • infostealer

  • obfuscation

  • infostealer:cstealer


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "exflibrary",
        "purl": "pkg:pypi/exflibrary"
      },
      "versions": [
        "1",
        "1.1",
        "1.11",
        "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": {
      "domains": [
        "blockatlaspro.com"
      ],
      "urls": [
        "https://blockatlaspro.com/application.py",
        "https://blockatlaspro.com/test.py"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "RLMA-2024-11034",
        "import_time": "2024-12-09T14:38:43.487146145Z",
        "modified_time": "2024-12-09T06:50:11Z",
        "sha256": "99a43f917636ec3c9bb4e8dbaebb560d4a70fc2d1453f96b88a157c7d075265e",
        "source": "reversing-labs",
        "versions": [
          "1",
          "1.1",
          "1.11"
        ]
      },
      {
        "id": "pypi/2024-10-pyutiltool/exflibrary",
        "import_time": "2025-12-02T22:30:55.178156345Z",
        "modified_time": "2024-10-03T16:34:31Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "b90d7d71847109d990cadb70f118634fe9a7d0de543d66171d00c16ea46e28c6",
        "source": "kam193"
      },
      {
        "id": "pypi/2024-10-pyutiltool/exflibrary",
        "import_time": "2025-12-02T23:07:18.185619391Z",
        "modified_time": "2024-10-03T16:34:31Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "95deb938eb8fd38976a38faf2fd2117318966fc829c080f35d6d999ff37d1236",
        "source": "kam193"
      },
      {
        "id": "pypi/2024-10-pyutiltool/exflibrary",
        "import_time": "2025-12-10T21:38:57.46993604Z",
        "modified_time": "2024-10-03T16:34:31Z",
        "sha256": "4f4768515cdcf198881be036187f2b7ad9672cc51cf24c1c5b5a7f6a5847a430",
        "source": "kam193",
        "versions": [
          "1.0",
          "1.1",
          "1.11"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (95deb938eb8fd38976a38faf2fd2117318966fc829c080f35d6d999ff37d1236)\nWhen importing the module and a specific file exists in the current directory, obfuscated code downloads and starts the next stage of obfuscated code (cstealer infostealer)\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2024-10-pyutiltool \n\n\nReasons (based on the campaign):\n\n\n - infostealer\n\n\n - obfuscation\n\n\n - infostealer:cstealer\n",
  "id": "MAL-2024-11584",
  "modified": "2025-12-11T09:27:53Z",
  "published": "2024-10-03T16:34:31Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/exflibrary"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in exflibrary (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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