mal-2025-47795
Vulnerability from ossf_malicious_packages
Published
2025-08-17 19:36
Modified
2025-12-31 02:45
Summary
Malicious code in pytensorlite (PyPI)
Details

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

Source: kam193 (188201cba6b48f33920bc11fd719f4dcc6a78b6ca0e1c038f6a950027522cbe2)

Importing the module downloads and starts an infostealer


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

Campaign: 2025-08-pytensorlite

Reasons (based on the campaign):

  • infostealer

  • obfuscation

  • Downloads and executes a remote malicious script.

  • exfiltration-generic

  • exfiltration-credentials

  • exfiltration-browser-data


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pytensorlite",
        "purl": "pkg:pypi/pytensorlite"
      },
      "versions": [
        "0.1.0",
        "0.1.1",
        "0.1.2",
        "0.1.3",
        "0.1.4"
      ]
    }
  ],
  "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"
    },
    {
      "contact": [
        "https://www.reversinglabs.com"
      ],
      "name": "ReversingLabs",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "iocs": {
      "urls": [
        "https://raw.githubusercontent.com/93dk99-ui/pytensorlite/main/main.b64"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "RLMA-2025-04802",
        "import_time": "2025-09-26T11:05:35.457604808Z",
        "modified_time": "2025-09-26T09:14:28Z",
        "sha256": "82e8130dfa7d223eb499b585a969ead57a7a65cf1217272c3be347801847d60c",
        "source": "reversing-labs",
        "versions": [
          "0.1.0",
          "0.1.1",
          "0.1.2",
          "0.1.3",
          "0.1.4"
        ]
      },
      {
        "id": "pypi/2025-08-pytensorlite/pytensorlite",
        "import_time": "2025-12-02T22:30:55.483063382Z",
        "modified_time": "2025-08-17T19:36:01.107207Z",
        "sha256": "6d789cb477a2e54d47336cc6720a369096ec439f53a6083f423abcdb62ef2ac7",
        "source": "kam193",
        "versions": [
          "0.1.4",
          "0.1.3",
          "0.1.2",
          "0.1.1",
          "0.1.0"
        ]
      },
      {
        "id": "pypi/2025-08-pytensorlite/pytensorlite",
        "import_time": "2025-12-02T23:07:18.506345475Z",
        "modified_time": "2025-08-17T19:36:01.107207Z",
        "sha256": "188201cba6b48f33920bc11fd719f4dcc6a78b6ca0e1c038f6a950027522cbe2",
        "source": "kam193",
        "versions": [
          "0.1.4",
          "0.1.3",
          "0.1.2",
          "0.1.1",
          "0.1.0"
        ]
      },
      {
        "id": "pypi/2025-08-pytensorlite/pytensorlite",
        "import_time": "2025-12-30T22:39:04.145565466Z",
        "modified_time": "2025-08-17T19:36:01.107207Z",
        "sha256": "1e2d6f30dd2360285f0563f09b4cb5b4951fe280a8ecdae91b2081ee99e5fe86",
        "source": "kam193",
        "versions": [
          "0.1.0",
          "0.1.1",
          "0.1.2",
          "0.1.3",
          "0.1.4"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (188201cba6b48f33920bc11fd719f4dcc6a78b6ca0e1c038f6a950027522cbe2)\nImporting the module downloads and starts an infostealer\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-08-pytensorlite\n\n\nReasons (based on the campaign):\n\n\n - infostealer\n\n\n - obfuscation\n\n\n - Downloads and executes a remote malicious script.\n\n\n - exfiltration-generic\n\n\n - exfiltration-credentials\n\n\n - exfiltration-browser-data\n",
  "id": "MAL-2025-47795",
  "modified": "2025-12-31T02:45:15Z",
  "published": "2025-08-17T19:36:01Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/pytensorlite"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in pytensorlite (PyPI)"
}


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Sightings

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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.
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