MAL-2026-12302

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/twork-data-services-sme-operations-authorizations/MAL-2026-12302.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-12302
Published
2026-08-05T09:14:58Z
Modified
2026-08-05T10:07:08.366203144Z
Summary
Malicious code in twork-data-services-sme-operations-authorizations (npm)
Details

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

Source: amazon-inspector (d73622aa5b1b1b3f39f914022e80a8429b948186033c2e98d5f5610e93129612)

On require of the package, index.js loads compat.js which fetches a platform-specific binary from hostnames assembled by array-join to hide them from static scanners (oob-worker.cf102-baf.workers.dev, cf100-416.workers.dev, cf103-070.workers.dev, cf99-9b3.workers.dev), with a DNS TXT base64 chunked fallback via *.dl.well1.site resolvers. The fetched bytes are written to /var/tmp or %TEMP% under a disguised name (.cache<hex> on Unix, dotnetdiag<hex>.exe on Windows), chmodded to 0755, and spawned detached via /bin/sh -c "<path> &" or cmd.exe /c start. No hash or signature verification is performed on the downloaded binary. A parallel dropper implementation in lib/telemetry.js uses the same pattern (child_process required via string concatenation, chmodSync accessed via computed property name, base64-decoded payload buffer, detached shell spawn). The package declares no legitimate purpose that would justify fetching and executing an unsigned remote binary at import time.

Database specific 
{
    "malicious-packages-origins": [
        {
            "modified_time": "2026-08-05T09:14:58Z",
            "source": "amazon-inspector",
            "sha256": "d73622aa5b1b1b3f39f914022e80a8429b948186033c2e98d5f5610e93129612",
            "import_time": "2026-08-05T09:28:29.95406143Z",
            "id": "IN-MAL-2026-014607",
            "versions": [
                "20.8.9"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / twork-data-services-sme-operations-authorizations

Package

Name
twork-data-services-sme-operations-authorizations
View open source insights on deps.dev
Purl
pkg:npm/twork-data-services-sme-operations-authorizations

Affected ranges

Affected versions

20.*
20.8.9

Database specific

indicators 
{
    "package_integrity": [
        {
            "filename": "twork-data-services-sme-operations-authorizations-20.8.9.tgz",
            "hashes": {
                "sha512_sri": "sha512-qwSP3Kdam21eWxqw79BKYCPM81ZaLAFeYin8un9TEnCztqQvYXtUhwZxKebAek62osUKF7gNiCO+PXpEJu/KIw==",
                "sha1": "b4198cd19ed37cee4f319e4cf06929c6df2248ca"
            }
        }
    ],
    "evidence_files": [
        {
            "tlsh": "cdb1879a05b670188bf0d7e887279415f657e66337808294fbaca5d81f7712483b2efc",
            "sha256": "496af33b69f92f01514acf22da6202bda092d801d9e5e7de1d9a94afde25482e",
            "path": "_compat.js"
        },
        {
            "tlsh": "4f835055566a242186b2b368df234107ff3685272643429dbafc82dc1fbd72092a5ffc",
            "sha256": "5b562bbeb1644899a9e80d94eacdb6c2266a119e2670a4dc9de81a4d3bd12718",
            "path": "lib/telemetry.js"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/twork-data-services-sme-operations-authorizations/MAL-2026-12302.json"
cwes 
[
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    }
]