{
  "affected": [
    {
      "database_specific": {
        "cwes": [
          {
            "cweId": "CWE-506",
            "description": "The product contains code that appears to be malicious in nature.",
            "name": "Embedded Malicious Code"
          }
        ],
        "indicators": {
          "domains": [
            "fxpkkxatijbbyxuhdclqig6334q9m1j8w.oast.fun"
          ],
          "evidence_files": [
            {
              "path": "index.js",
              "sha256": "f3a0f65846fb606655b12a8d7ce292057b06ad32b7193fbb3a1cd243c3e3f6fe",
              "tlsh": "6111e3f559f28a641dbb31c455866905a09ad1137d0df8fc7e5d43e00f8547a45a0ab4"
            }
          ],
          "package_integrity": [
            {
              "filename": "loadtest-browser-lib-1.31.3.tgz",
              "hashes": {
                "sha1": "9abbdcfbfb004854a95dcc974a6e487c5c11f298",
                "sha512_sri": "sha512-WtTPIxEi+V/9fmrWlQMzKj4GuyF6n0PH95tU0ysuwCu3UdbZfpyOcBkdexQ+G9K6AxNr5FWEOZ7yfAWRcaeCDg=="
              }
            }
          ]
        }
      },
      "package": {
        "ecosystem": "npm",
        "name": "loadtest-browser-lib"
      },
      "versions": [
        "1.31.3"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "actran@amazon.com"
      ],
      "name": "Amazon Inspector",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "IN-MAL-2026-004929",
        "import_time": "2026-05-26T16:47:31.765363146Z",
        "modified_time": "2026-05-26T15:27:31Z",
        "sha256": "934a61b207f82f8549de09139a73a80f47746bba1dacd21f657d34e6e542324e",
        "source": "amazon-inspector",
        "versions": [
          "1.31.3"
        ]
      },
      {
        "id": "IN-MAL-2026-004932",
        "import_time": "2026-05-26T16:47:31.890863163Z",
        "modified_time": "2026-05-26T15:34:15Z",
        "sha256": "c81e2ecc8a6dfe7a5b7e5f2d1fd48690a5f1dff0dab6357f33eb2869c4db3c16",
        "source": "amazon-inspector",
        "versions": [
          "1.31.3"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (934a61b207f82f8549de09139a73a80f47746bba1dacd21f657d34e6e542324e)\nOn `npm install`, the package\u0027s preinstall hook executes index.js, which collects host identifiers (hostname, username, platform, arch, cwd, pid, timestamp) and sends them as query parameters in an HTTPS request to `fxpkkxatijbbyxuhdclqig6334q9m1j8w.oast.fun`, an out-of-band callback host. package.json declares `\"preinstall\": \"node index.js\"`, so the beacon fires automatically on default install with no user interaction. The package self-describes as \u0027hijacking by yusif\u0027, consistent with a dependency-confusion / namespace-hijack proof-of-concept payload. Any installer running `npm install` leaks identifying machine information to the attacker\u0027s collaborator endpoint.\n",
  "id": "MAL-2026-4822",
  "modified": "2026-05-26T16:49:22Z",
  "published": "2026-05-26T15:27:31Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://www.npmjs.com/package/loadtest-browser-lib/v/1.31.3"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in loadtest-browser-lib (npm)"
}