mal-2026-763
Vulnerability from ossf_malicious_packages
Published
2026-02-05 14:33
Modified
2026-02-05 14:33
Summary
Malicious code in web3-meme-tool (PyPI)
Details

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

Source: kam193 (62aebca1848d232cb70d5bacf954626ca7d0fd1d5680bb8ab45777aa9347f5ed)

Disguised as metadata checker, packages are designed to exfiltrate hardcoded or given data to an obfuscated remote target

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

Campaign: 2026-02-metadata-checker

Reasons (based on the campaign):

  • exfiltration-generic

  • obfuscation

Credits
Kamil Mańkowski (kam193) github.com/kam193 bad-packages.kam193.eu/
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "web3-meme-tool"
      },
      "versions": [
        "0.1.2"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "8d7sabfsd2.youkyy.com",
        "youkyy.com"
      ],
      "urls": [
        "https://8d7sabfsd2.youkyy.com/MyData.php",
        "https://8d7sabfsd2.youkyy.com/1.php"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-02-metadata-checker/web3-meme-tool",
        "import_time": "2026-02-05T15:18:43.58979803Z",
        "modified_time": "2026-02-05T14:33:05.872257Z",
        "sha256": "62aebca1848d232cb70d5bacf954626ca7d0fd1d5680bb8ab45777aa9347f5ed",
        "source": "kam193",
        "versions": [
          "0.1.2"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (62aebca1848d232cb70d5bacf954626ca7d0fd1d5680bb8ab45777aa9347f5ed)\nDisguised as metadata checker, packages are designed to exfiltrate hardcoded or given data to an obfuscated remote target\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-02-metadata-checker\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-generic\n\n\n - obfuscation\n",
  "id": "MAL-2026-763",
  "modified": "2026-02-05T14:33:05Z",
  "published": "2026-02-05T14:33:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/web3-meme-tool"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in web3-meme-tool (PyPI)"
}


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  • 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.



Detection rules are retrieved from Rulezet.