mal-2026-3225
Vulnerability from ossf_malicious_packages
Published
2026-05-02 00:54
Modified
2026-05-02 23:49
Summary
Malicious code in as89ufnaisufn (PyPI)
Details

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

Source: kam193 (e21c9860ca710010b7059d9284d8e2665c8163a8f1f351782e1a30f2037ce647)

During import, the package automatically downloads and executes code that first acts as an infostealer and then starts code acting as a RAT. It connects with a hardcoded C2 server and waits for commands, supporting e.g. executing remote commands, exfiltrating files, recording the screen, executing GUI actions through PyAutoGUI.


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

Campaign: 2026-04-process-support

Reasons (based on the campaign):

  • exfiltration-generic

  • The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

  • rat

  • spyware-like

  • infostealer

  • persistence

  • exfiltration-browser-data

  • exfiltration-crypto

  • files-exfiltration

Credits

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "as89ufnaisufn"
      },
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "ANALYST"
    }
  ],
  "database_specific": {
    "iocs": {
      "ips": [
        "64.49.11.161"
      ],
      "urls": [
        "http://64.49.11.161:8000/share/a29e6d29-d701-482a-abb6-a30216d6b148/",
        "http://64.49.11.161:8000/share/543108b4-7da1-423f-924a-c514a590acc3/"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-04-process-support/as89ufnaisufn",
        "import_time": "2026-05-02T01:39:17.274380945Z",
        "modified_time": "2026-05-02T00:54:42.857514Z",
        "sha256": "8d240835f88e8af6fd67770ee7554e885185d4a0cb132a136be451ab5a5f6fa0",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      },
      {
        "id": "pypi/2026-04-process-support/as89ufnaisufn",
        "import_time": "2026-05-02T23:47:53.441428709Z",
        "modified_time": "2026-05-02T00:54:42.857514Z",
        "sha256": "e21c9860ca710010b7059d9284d8e2665c8163a8f1f351782e1a30f2037ce647",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (e21c9860ca710010b7059d9284d8e2665c8163a8f1f351782e1a30f2037ce647)\nDuring import, the package automatically downloads and executes code that first acts as an infostealer and then starts code acting as a RAT. It connects with a hardcoded C2 server and waits for commands, supporting e.g. executing remote commands, exfiltrating files, recording the screen, executing GUI actions through PyAutoGUI.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-04-process-support\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-generic\n\n\n - The package contains code to execute remote commands (probably limited to a specific set) on the victim\u0027s machine.\n\n\n - rat\n\n\n - spyware-like\n\n\n - infostealer\n\n\n - persistence\n\n\n - exfiltration-browser-data\n\n\n - exfiltration-crypto\n\n\n - files-exfiltration\n",
  "id": "MAL-2026-3225",
  "modified": "2026-05-02T23:49:22Z",
  "published": "2026-05-02T00:54:42Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/as89ufnaisufn"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in as89ufnaisufn (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.


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Detection rules are retrieved from Rulezet.

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