mal-2025-191767
Vulnerability from ossf_malicious_packages
Published
2025-08-14 22:30
Modified
2025-12-03 00:04
Summary
Malicious code in jsonist (PyPI)
Details

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

Source: kam193 (4c74a199a696dbc18994242bc3c29e9a018ddda51fa2bbe224620d9ded6f1818)

Calling a method starts downloading and starting an infostealer script

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

Campaign: 2025-08-secmeasure

Reasons (based on the campaign):

  • action-hidden-in-lib-usage

  • Downloads and executes a remote malicious script.

  • infostealer

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

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "jsonist"
      },
      "versions": [
        "0.1.0"
      ]
    }
  ],
  "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": {
    "iocs": {
      "ips": [
        "200.58.107.25"
      ],
      "urls": [
        "https://pastebin.com/raw/jaH2uRE1"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2025-08-secmeasure/jsonist",
        "import_time": "2025-12-02T22:30:55.281606945Z",
        "modified_time": "2025-08-14T22:30:01.857323Z",
        "sha256": "7f3396007d526f88250ad2b5c324ad8a550418f97213066b820b379ebd2cdbe6",
        "source": "kam193",
        "versions": [
          "0.1.0"
        ]
      },
      {
        "id": "pypi/2025-08-secmeasure/jsonist",
        "import_time": "2025-12-02T23:07:18.305567195Z",
        "modified_time": "2025-08-14T22:30:01.857323Z",
        "sha256": "4c74a199a696dbc18994242bc3c29e9a018ddda51fa2bbe224620d9ded6f1818",
        "source": "kam193",
        "versions": [
          "0.1.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (4c74a199a696dbc18994242bc3c29e9a018ddda51fa2bbe224620d9ded6f1818)\nCalling a method starts downloading and starting an infostealer script\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-08-secmeasure\n\n\nReasons (based on the campaign):\n\n\n - action-hidden-in-lib-usage\n\n\n - Downloads and executes a remote malicious script.\n\n\n - infostealer\n",
  "id": "MAL-2025-191767",
  "modified": "2025-12-03T00:04:27Z",
  "published": "2025-08-14T22:30:01Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/jsonist"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in jsonist (PyPI)"
}


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  • 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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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.