mal-2025-6531
Vulnerability from ossf_malicious_packages
Published
2025-06-13 14:03
Modified
2025-12-11 09:27
Summary
Malicious code in justanything (PyPI)
Details

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

Source: kam193 (206471fdab67d7afeeb5fa6ee55cdb14b88338b58b50a5b73f31bbbb5e66e65b)

Code is designed to download and run remote scripts during installation, which finally downloads and starts an infostealer


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

Campaign: 2025-06-justanything

Reasons (based on the campaign):

  • infostealer

  • The package overrides the install command in setup.py to execute malicious code during installation.

  • Downloads and executes a remote malicious script.

  • Downloads and executes a remote executable.


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "justanything",
        "purl": "pkg:pypi/justanything"
      },
      "versions": [
        "0.1.3",
        "0.1.0",
        "0.1.1",
        "0.1.2"
      ]
    }
  ],
  "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": [
        "fastobfuscate.run"
      ],
      "urls": [
        "https://fastobfuscate.run/1.txt",
        "https://fastobfuscate.run/main.py",
        "https://fastobfuscate.run/python.exe"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "RLMA-2025-03624",
        "import_time": "2025-08-01T10:07:12.102289704Z",
        "modified_time": "2025-07-31T19:15:26Z",
        "sha256": "a9aa75c187e72700ba09ed4702cffa378cadeb41eeb75d23c948f482db23d958",
        "source": "reversing-labs",
        "versions": [
          "0.1.3"
        ]
      },
      {
        "id": "pypi/2025-06-justanything/justanything",
        "import_time": "2025-12-02T22:30:55.290025918Z",
        "modified_time": "2025-06-13T14:03:05Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "5e1f94487dbebd32a85316b803acaa36b561736cb623779bfb16230740d6d4a7",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-06-justanything/justanything",
        "import_time": "2025-12-02T23:07:18.314352319Z",
        "modified_time": "2025-06-13T14:03:05Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "206471fdab67d7afeeb5fa6ee55cdb14b88338b58b50a5b73f31bbbb5e66e65b",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-06-justanything/justanything",
        "import_time": "2025-12-10T21:38:57.559463547Z",
        "modified_time": "2025-06-13T14:03:05Z",
        "sha256": "36d8d08634f081e7ca5a41a775e7df4da0ff4eee88614636be798a2180e74b25",
        "source": "kam193",
        "versions": [
          "0.1.0",
          "0.1.1",
          "0.1.2",
          "0.1.3"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (206471fdab67d7afeeb5fa6ee55cdb14b88338b58b50a5b73f31bbbb5e66e65b)\nCode is designed to download and run remote scripts during installation, which finally downloads and starts an infostealer\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-06-justanything\n\n\nReasons (based on the campaign):\n\n\n - infostealer\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n\n\n - Downloads and executes a remote malicious script.\n\n\n - Downloads and executes a remote executable.\n",
  "id": "MAL-2025-6531",
  "modified": "2025-12-11T09:27:53Z",
  "published": "2025-06-13T14:03:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/justanything"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in justanything (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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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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