mal-2026-5029
Vulnerability from ossf_malicious_packages
Published
2026-05-29 03:21
Modified
2026-05-29 03:21
Summary
Malicious code in modulebuild3240234t (PyPI)
Details

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

Source: kam193 (4d5962bd4c41d59c276f1fa132030098e557dee6bfe0b0a368a952f70d217287)

The package contains an infostealer targeting the Roblox ecosystem.

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

Campaign: 2026-05-modulebuild3240234t

Reasons (based on the campaign):

  • obfuscation

  • infostealer

  • exfiltration-credentials

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

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "modulebuild3240234t"
      },
      "versions": [
        "1.0.0",
        "1.0.1",
        "2.0.0",
        "3.0.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "urls": [
        "https://discord.com/api/webhooks/1509322846877515958/1lhoM9D4U-eyvVefaufc9TxQbRYBeZiLSUEhnRhS2dGG4jaLXCFc5B4vjqyBGfAWtVjU"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-05-modulebuild3240234t/modulebuild3240234t",
        "import_time": "2026-05-29T04:58:28.328793927Z",
        "modified_time": "2026-05-29T03:21:55.733959Z",
        "sha256": "4d5962bd4c41d59c276f1fa132030098e557dee6bfe0b0a368a952f70d217287",
        "source": "kam193",
        "versions": [
          "1.0.0",
          "1.0.1",
          "2.0.0",
          "3.0.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (4d5962bd4c41d59c276f1fa132030098e557dee6bfe0b0a368a952f70d217287)\nThe package contains an infostealer targeting the Roblox ecosystem.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-05-modulebuild3240234t\n\n\nReasons (based on the campaign):\n\n\n - obfuscation\n\n\n - infostealer\n\n\n - exfiltration-credentials\n",
  "id": "MAL-2026-5029",
  "modified": "2026-05-29T03:21:55Z",
  "published": "2026-05-29T03:21:55Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/modulebuild3240234t"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in modulebuild3240234t (PyPI)"
}


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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.