MAL-2026-17805

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@dransay/api/MAL-2026-17805.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-17805
Published
2026-10-08T07:58:05Z
Modified
2026-10-12T14:30:19Z
Summary
Malicious code in @dransay/api (npm)
Details

@dransay/api@99.0.0 is a dependency-confusion probe claiming the internal @dransay/* namespace, not an identified public package. Its preinstall hook runs on npm install as node beacon.js and sends a DNS lookup and an HTTPS GET to db3klhbi6i9hark1kegg174t38h33b6wt.oast.site, using the package name in the request; npm account 0xamino_hunter published it on 2026-10-08.

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

Source: amazon-inspector (e237d11d4a80279031cdf312f3c879913d5ce485a74538e52b64a03a4332da34)

@dransay/api@99.0.0 is a dependency-confusion-shaped package (unscoped-sounding name with an implausibly high version 99.0.0 and publishConfig public) whose package.json declares a preinstall script node beacon.js. On every npm install, beacon.js performs a DNS lookup and HTTPS GET to a hardcoded Interactsh out-of-band collaborator host db3klhbi6i9hark1kegg174t38h33b6wt.oast.site, with the package name included in the DNS label and HTTP path. This causes the installer's source IP, resolver IP, install timestamp, and the fact that the internal package name resolved against the public npm registry to be transmitted to a third-party OOB server. The pattern is consistent with a dependency-confusion probe: a package name chosen to collide with a target organization's internal package is published to the public registry at a very high version so that a misconfigured internal resolver pulls the public copy, and the preinstall beacon then signals the attacker that the confusion succeeded. No further payload is shipped in this version, but the install-time outbound call to an attacker-controlled OOB host occurs without installer opt-in and leaks installer-identifying information.

Database specific 
{
    "iocs":  {
        "domains":  [
            "db3klhbi6i9hark1kegg174t38h33b6wt.oast.site"
        ],
        "files":  [
            {
                "digests":  {
                    "sha256":  "28fe27a21165ca507e56156aef763eaa5694e4648bc2330347869d4a46d2e517"
                },
                "note":  "preinstall script: node beacon.js",
                "paths":  [
                    "package.json"
                ],
                "source":  "PACKAGE_ARCHIVE"
            },
            {
                "digests":  {
                    "sha256":  "b7e8039e3a8505c17e49d442c934bb1981da2fd904d4e87eb04b51420a749421"
                },
                "note":  "Executed by the preinstall script of @dransay/api@99.0.0.",
                "paths":  [
                    "beacon.js"
                ],
                "source":  "PACKAGE_ARCHIVE"
            }
        ],
        "urls":  [
            "https://db3klhbi6i9hark1kegg174t38h33b6wt.oast.site/api"
        ]
    },
    "malicious-packages-origins":  [
        {
            "id":  "IN-MAL-2026-021464",
            "import_time":  "2026-10-12T14:26:36.289766715Z",
            "modified_time":  "2026-10-12T14:24:29Z",
            "sha256":  "e237d11d4a80279031cdf312f3c879913d5ce485a74538e52b64a03a4332da34",
            "source":  "amazon-inspector",
            "versions":  [
                "99.0.0"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / @dransay/api

Package

Name
@dransay/api
View open source insights on deps.dev
Purl
pkg:npm/%40dransay/api

Affected ranges

Affected versions

99.*
99.0.0

Database specific

cwes 
[
    {
        "cweId":  "CWE-506",
        "description":  "The product contains code that appears to be malicious in nature.",
        "name":  "Embedded Malicious Code"
    },
    {
        "cweId":  "CWE-506",
        "description":  "The product contains code that appears to be malicious in nature.",
        "name":  "Embedded Malicious Code"
    }
]
indicators 
{
    "evidence_files":  [
        {
            "path":  "beacon.js",
            "sha256":  "b7e8039e3a8505c17e49d442c934bb1981da2fd904d4e87eb04b51420a749421",
            "tlsh":  "891125ad5ae42b00b1e9f4a4988e01e94b73d1a8844946c4f1cec3ab6e5347d17674fb"
        }
    ],
    "package_integrity":  [
        {
            "filename":  "api-99.0.0.tgz",
            "hashes":  {
                "sha1":  "179268f42e2604acb96d91e4ebc8942909f1fd5f",
                "sha512_sri":  "sha512-pwoQJlSyHRkVGy3UEVPzJiyud1X32VUrvWyBw9FlQMG1VRGpdWS0+0VKprz1jOBvghESWu1J8S4Tj62LYG7Y8w=="
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@dransay/api/MAL-2026-17805.json"