mal-2026-3386
Vulnerability from ossf_malicious_packages
Published
2026-05-08 07:35
Modified
2026-05-08 07:35
Summary
Malicious code in yeahmankema (PyPI)
Details

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

Source: kam193 (e82095096c026f9ea1f8a44e7b94b0f9def1346ef887a8a6bb4e11aedc5abd63)

Package exfiltrates screenshots and network information to a hardcoded target.

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

Campaign: 2026-05-crayrandomiz

Reasons (based on the campaign):

  • exfiltration-generic

  • obfuscation

  • spyware-like

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

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "yeahmankema"
      },
      "versions": [
        "1.0.0",
        "1.0.1"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-05-crayrandomiz/yeahmankema",
        "import_time": "2026-05-08T08:37:58.675231535Z",
        "modified_time": "2026-05-08T07:35:43.767199Z",
        "sha256": "e82095096c026f9ea1f8a44e7b94b0f9def1346ef887a8a6bb4e11aedc5abd63",
        "source": "kam193",
        "versions": [
          "1.0.0",
          "1.0.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (e82095096c026f9ea1f8a44e7b94b0f9def1346ef887a8a6bb4e11aedc5abd63)\nPackage exfiltrates screenshots and network information to a hardcoded target.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-05-crayrandomiz\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-generic\n\n\n - obfuscation\n\n\n - spyware-like\n",
  "id": "MAL-2026-3386",
  "modified": "2026-05-08T07:35:43Z",
  "published": "2026-05-08T07:35:43Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/yeahmankema"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in yeahmankema (PyPI)"
}


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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.



Detection rules are retrieved from Rulezet.