mal-2026-17794

{
  "affected": [
    {
      "database_specific": {
        "cwes": [
          {
            "cweId": "CWE-506",
            "description": "The product contains code that appears to be malicious in nature.",
            "name": "Embedded Malicious Code"
          }
        ],
        "indicators": {
          "evidence_files": [
            {
              "path": "ext/seed_phrase_validator/extconf.rb",
              "sha256": "10218e975f54a4f11fe3954e1b584a5f05054003bf5773c3c2b8cceaa74ba763",
              "tlsh": "9751775acf8359e55aa1c0c045798012faa3ab0a50646875f3ee0868ff59b26c0f12fe"
            },
            {
              "path": "metadata.yaml",
              "sha256": "040908c7f679de85ab5da8186de07b6157de3a34945d871298d9c867a7eac559",
              "tlsh": "4121d3c0e78be836fc04e2f668802247e3e7d20ebd552921d9d783c623c5ab91b07165"
            }
          ]
        },
        "source": "https://github.com/ossf/malicious-packages/blob/main/osv/malicious/rubygems/seed-phrase-validator/MAL-2026-17794.json"
      },
      "package": {
        "ecosystem": "RubyGems",
        "name": "seed-phrase-validator",
        "purl": "pkg:gem/seed-phrase-validator"
      },
      "versions": [
        "0.9.1"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "inspector-research@amazon.com"
      ],
      "name": "Amazon Inspector",
      "type": "FINDER"
    },
    {
      "contact": [
        "https://github.com/ossf/package-analysis",
        "https://openssf.slack.com/channels/package_analysis"
      ],
      "name": "OpenSSF: Package Analysis",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "IN-MAL-2026-021356",
        "import_time": "2026-10-11T14:17:58.83042015Z",
        "modified_time": "2026-10-11T13:46:51Z",
        "sha256": "fb8d12a066c24d672bf16efe57267c46c727592ee21beb0e2accb3bb6e4bfb3a",
        "source": "amazon-inspector",
        "versions": [
          "0.9.1"
        ]
      },
      {
        "import_time": "2026-10-13T23:14:38.523027353Z",
        "modified_time": "2026-10-11T07:35:30Z",
        "sha256": "260c8de6b9fe5e7e977be76b41bc4f7378162aec30f7ef564a9c1760c1b64344",
        "source": "ossf-package-analysis",
        "versions": [
          "0.9.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (fb8d12a066c24d672bf16efe57267c46c727592ee21beb0e2accb3bb6e4bfb3a)\nThe gem declares a native extension but ships no C/C++/Rust source. extconf.rb exists solely to execute at `gem install` time. It decodes a base64-encoded Ruby payload and runs it via eval inside a detached fork (Process.setsid, randomized sleep of 1200+rand(1200) seconds) so execution survives the install process. The decoded payload opens a TCP socket to the hardcoded bare IP 45.138.12.177:8089 and bridges it to /bin/sh, giving an interactive remote shell on the installer's host. Execution is gated by anti-analysis checks that skip CI runners, ephemeral/sandbox hosts, generated usernames, analysis paths, and low-uptime machines, firing only when developer artifacts such as ~/.ssh, ~/.gitconfig, ~/.npmrc, ~/.gem/credentials, or ~/.bundle are present on the host. Package identity is inconsistent: the gem is named seed-phrase-validator, the README is titled bitcoin-rpc-lite, and the makefile target is bitcoin_rpc_lite_native, with no matching native sources in the tree.\n\n## Source: ossf-package-analysis (260c8de6b9fe5e7e977be76b41bc4f7378162aec30f7ef564a9c1760c1b64344)\nThe OpenSSF Package Analysis project identified 'seed-phrase-validator' @ 0.9.1 (rubygems) as malicious.\n\nIt is considered malicious because:\n\n- The package executes one or more commands associated with malicious behavior.\n",
  "id": "MAL-2026-17794",
  "modified": "2026-10-13T23:30:06.213000445Z",
  "published": "2026-10-11T07:35:30Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://rubygems.org/gems/seed-phrase-validator/versions/0.9.1"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "Malicious code in seed-phrase-validator (RubyGems)"
}