mal-2025-6527
Vulnerability from ossf_malicious_packages
Published
2025-07-16 10:53
Modified
2025-12-11 09:27
Summary
Malicious code in iscc-flag (PyPI)
Details

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

Source: kam193 (cb80cd1cd16dd0ba2beb2e560000380b1eb3cb60d947ed49d5ce9bfb4b12008f)

Installing starts a reverse shell


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

Campaign: 2025-07-anku2-rce

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.

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


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "iscc-flag",
        "purl": "pkg:pypi/iscc-flag"
      },
      "versions": [
        "0.0.1"
      ]
    }
  ],
  "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": "ANALYST"
    },
    {
      "contact": [
        "https://www.reversinglabs.com"
      ],
      "name": "ReversingLabs",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "RLMA-2025-03620",
        "import_time": "2025-08-01T10:07:11.973809301Z",
        "modified_time": "2025-07-31T19:15:23Z",
        "sha256": "466ef0b1ad5477d8862ee90953d3d58e5f07d0cc51fd5610eb6db4a9db34fb83",
        "source": "reversing-labs",
        "versions": [
          "0.0.1"
        ]
      },
      {
        "id": "pypi/2025-07-anku2-rce/iscc-flag",
        "import_time": "2025-12-02T22:30:55.279193113Z",
        "modified_time": "2025-07-16T10:53:07.669806Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "62e07701c7da3a55012cf517ed91e07d7befe52e809dea646a4c439f1cc5b77d",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-anku2-rce/iscc-flag",
        "import_time": "2025-12-02T23:07:18.303297081Z",
        "modified_time": "2025-07-16T10:53:07.669806Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "cb80cd1cd16dd0ba2beb2e560000380b1eb3cb60d947ed49d5ce9bfb4b12008f",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-anku2-rce/iscc-flag",
        "import_time": "2025-12-10T21:38:57.549190186Z",
        "modified_time": "2025-07-16T10:53:07.669806Z",
        "sha256": "1e6cef2f0b74d806466d77b04cd6fbab79ec468edb501cfa471874145dc46f1d",
        "source": "kam193",
        "versions": [
          "0.0.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (cb80cd1cd16dd0ba2beb2e560000380b1eb3cb60d947ed49d5ce9bfb4b12008f)\nInstalling starts a reverse shell\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-07-anku2-rce\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 - The package overrides the install command in setup.py to execute malicious code during installation.\n",
  "id": "MAL-2025-6527",
  "modified": "2025-12-11T09:27:53Z",
  "published": "2025-07-16T10:53:07Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/iscc-flag"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in iscc-flag (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 patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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