mal-2025-191685
Vulnerability from ossf_malicious_packages
Published
2025-07-17 19:19
Modified
2025-12-11 09:27
Summary
Malicious code in avatar-handler (PyPI)
Details

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

Source: kam193 (c3750cf8fac7fc22334d1fb416e7f3af691425c669829dcc9857abdc1384bbb7)

Code pretending to handling downloading an image, but in fact is prepared to download and execute a Powershell script image properties. No known usage


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

Campaign: 2025-07-avatar-handler

Reasons (based on the campaign):

  • obfuscation

  • Downloads and executes a remote malicious script.


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "avatar-handler"
      },
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "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": {
    "malicious-packages-origins": [
      {
        "id": "pypi/2025-07-avatar-handler/avatar-handler",
        "import_time": "2025-12-02T22:30:54.957554317Z",
        "modified_time": "2025-07-17T19:19:10.544588Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "055e12f86fabffdc9679d65d2e06abe77ff1f1f873beae66d52f14383a03749a",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-avatar-handler/avatar-handler",
        "import_time": "2025-12-02T23:07:17.997852994Z",
        "modified_time": "2025-07-17T19:19:10.544588Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "c3750cf8fac7fc22334d1fb416e7f3af691425c669829dcc9857abdc1384bbb7",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-avatar-handler/avatar-handler",
        "import_time": "2025-12-10T21:38:57.302255177Z",
        "modified_time": "2025-07-17T19:19:10.544588Z",
        "sha256": "4acc9843405411646c0e7096a60589651aa0a5b04a585a02e38ac0a7a88b868b",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (c3750cf8fac7fc22334d1fb416e7f3af691425c669829dcc9857abdc1384bbb7)\nCode pretending to handling downloading an image, but in fact is prepared to download and execute a Powershell script image properties. No known usage\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-07-avatar-handler\n\n\nReasons (based on the campaign):\n\n\n - obfuscation\n\n\n - Downloads and executes a remote malicious script.\n",
  "id": "MAL-2025-191685",
  "modified": "2025-12-11T09:27:52Z",
  "published": "2025-07-17T19:19:10Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/avatar-handler"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in avatar-handler (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.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • 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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