mal-2026-2271
Vulnerability from ossf_malicious_packages
Published
2026-03-27 16:47
Modified
2026-03-27 16:47
Summary
Malicious code in metamask-api (PyPI)
Details

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

Source: kam193 (d741c998a924aa720c19f13cbb622ebb5862abde8765dac7f8bb2cf1b219c3dc)

Clones of legitimate libraries with malicious modifications intended to download malicious remote code. The remote script allows executing arbitrary files through a Telegram as C2 channel. The package installs a generic entry point triggering malicious action.

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

Campaign: 2026-03-pipipipi

Reasons (based on the campaign):

  • clones-real-package

  • rat

  • Downloads and executes a remote malicious script.

  • typosquatting

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

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "metamask-api"
      },
      "versions": [
        "2.33.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "urls": [
        "https://tinyurl.com/47h5bmcw",
        "https://www.dropbox.com/scl/fi/ybqsqvbquwbk9h59aottq/shadowsocksvpn.ps1?rlkey=2huygpgfs1pmasr9h70tr9zti\u0026st=1ghv9gld\u0026dl=1"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-03-pipipipi/metamask-api",
        "import_time": "2026-03-27T17:22:28.881666145Z",
        "modified_time": "2026-03-27T16:47:31.583811Z",
        "sha256": "d741c998a924aa720c19f13cbb622ebb5862abde8765dac7f8bb2cf1b219c3dc",
        "source": "kam193",
        "versions": [
          "2.33.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (d741c998a924aa720c19f13cbb622ebb5862abde8765dac7f8bb2cf1b219c3dc)\nClones of legitimate libraries with malicious modifications intended to download malicious remote code. The remote script allows executing arbitrary files through a Telegram as C2 channel. The package installs a generic entry point triggering malicious action.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-03-pipipipi\n\n\nReasons (based on the campaign):\n\n\n - clones-real-package\n\n\n - rat\n\n\n - Downloads and executes a remote malicious script.\n\n\n - typosquatting\n",
  "id": "MAL-2026-2271",
  "modified": "2026-03-27T16:47:31Z",
  "published": "2026-03-27T16:47:31Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/metamask-api"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in metamask-api (PyPI)"
}


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Sightings

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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.