mal-2026-2309
Vulnerability from ossf_malicious_packages
Published
2026-03-31 03:35
Modified
2026-03-31 05:19
Summary
Malicious code in zzzzthisisitwantsafecheckitzzzz (PyPI)
Details

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

Source: kam193 (fbef17827bf88f06c2278d700e386c98e2f1360fd533ba1415c9060ff56a037f)

During installation, if run under a specific username, the package downloads and installs two executables identified as backdoors trojans.


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

Campaign: 2026-03-thisismytest123

Reasons (based on the campaign):

  • Downloads and executes a remote executable.

  • backdoor

  • malware

Source: ossf-package-analysis (517f20d2093597e92a397fc04e64a0bf27ba6ce0ca20799cba922a76133594fe)

The OpenSSF Package Analysis project identified 'zzzzthisisitwantsafecheckitzzzz' @ 1.0.0 (pypi) as malicious.

It is considered malicious because:

  • The package executes one or more commands associated with malicious behavior.

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "zzzzthisisitwantsafecheckitzzzz"
      },
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    },
    {
      "contact": [
        "https://github.com/ossf/package-analysis",
        "https://openssf.slack.com/channels/package_analysis"
      ],
      "name": "OpenSSF: Package Analysis",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "iocs": {
      "urls": [
        "http://8.217.174.149:8888/supershell/compile/download/java",
        "https://shim.oss-cn-hongkong.aliyuncs.com/shim",
        "https://shim.oss-cn-hongkong.aliyuncs.com/shim.conf"
      ]
    },
    "malicious-packages-origins": [
      {
        "import_time": "2026-03-31T04:23:27.463708557Z",
        "modified_time": "2026-03-31T03:35:47Z",
        "sha256": "517f20d2093597e92a397fc04e64a0bf27ba6ce0ca20799cba922a76133594fe",
        "source": "ossf-package-analysis",
        "versions": [
          "1.0.0"
        ]
      },
      {
        "id": "pypi/2026-03-thisismytest123/zzzzthisisitwantsafecheckitzzzz",
        "import_time": "2026-03-31T05:17:28.540293509Z",
        "modified_time": "2026-03-31T04:11:30.046711Z",
        "sha256": "fbef17827bf88f06c2278d700e386c98e2f1360fd533ba1415c9060ff56a037f",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (fbef17827bf88f06c2278d700e386c98e2f1360fd533ba1415c9060ff56a037f)\nDuring installation, if run under a specific username, the package downloads and installs two executables identified as backdoors trojans.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-03-thisismytest123\n\n\nReasons (based on the campaign):\n\n\n - Downloads and executes a remote executable.\n\n\n - backdoor\n\n\n - malware\n\n## Source: ossf-package-analysis (517f20d2093597e92a397fc04e64a0bf27ba6ce0ca20799cba922a76133594fe)\nThe OpenSSF Package Analysis project identified \u0027zzzzthisisitwantsafecheckitzzzz\u0027 @ 1.0.0 (pypi) as malicious.\n\nIt is considered malicious because:\n\n- The package executes one or more commands associated with malicious behavior.\n",
  "id": "MAL-2026-2309",
  "modified": "2026-03-31T05:19:14Z",
  "published": "2026-03-31T03:35:47Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://www.virustotal.com/gui/file/d06d2288d3aa76675947137279e6db4d5a31d3ab3a46720d15df4c4d2d52b9d3/detection"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.virustotal.com/gui/file/28d6c2c26ed631981fc9575a452b45b8b741d172769d5d8366a4269536236ab3/detection"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/zzzzthisisitwantsafecheckitzzzz"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in zzzzthisisitwantsafecheckitzzzz (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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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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.


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