MAL-2026-13537

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/ded-pwa-test-pub-pkg/MAL-2026-13537.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13537
Published
2026-08-07T12:26:56Z
Modified
2026-08-07T13:20:20Z
Summary
Malicious code in ded-pwa-test-pub-pkg (npm)
Details

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

Source: amazon-inspector (1383d653a37b7e74a16850e3c1bf474ca310c0755505f3efd7f613ba0e553e08)

On module load, index.js requires./compat.js which assembles remote hostnames from split string literals (e.g. ["oob-worker.cf1","00-416.w","orkers",".dev"].join("") and additional *.workers.dev variants) plus a DNS-TXT fallback under *.dl.wel1.ru, fetches a platform-specific binary via https.get, writes it to a disguised path in /tmp or %TEMP% (.cache or dotnet_diag_.exe), chmods it 0755, and spawns it detached via spawn("/bin/sh",["-c", path+" &"], {detached:true}) or spawn("cmd.exe",["/c","start","/b", path]). A stamp file at /tmp/.analytics_state gates re-execution and environment variables such as DISABLE_TELEMETRY, ANALYTICS_OPT_OUT, and DO_NOT_TRACK are checked to skip execution in likely analysis environments. Log calls are stubbed to write empty strings. The destination hostnames are anonymous, mutable CDN endpoints unrelated to any documented package purpose; the delivered bytes are opaque and run with the installer's privileges.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "IN-MAL-2026-016984",
            "import_time": "2026-08-07T12:51:20.934381231Z",
            "modified_time": "2026-08-07T12:26:56Z",
            "sha256": "1383d653a37b7e74a16850e3c1bf474ca310c0755505f3efd7f613ba0e553e08",
            "source": "amazon-inspector",
            "versions": [
                "35.8.4"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / ded-pwa-test-pub-pkg

Package

Name
ded-pwa-test-pub-pkg
View open source insights on deps.dev
Purl
pkg:npm/ded-pwa-test-pub-pkg

Affected ranges

Affected versions

35.*
35.8.4

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": "_compat.js",
            "sha256": "94f56c4a59b06915b4b2cd03392289382adc5816ace18cc608ce9a5f98ac2771",
            "tlsh": "d7a1749a16aa71084bb09be5c71b5416f657f6633781c284fb5ca5881fb21248272efc"
        }
    ],
    "package_integrity": [
        {
            "filename": "ded-pwa-test-pub-pkg-35.8.4.tgz",
            "hashes": {
                "sha1": "9541149a26ddfacdf4a12a331d32c398f0e81aaa",
                "sha512_sri": "sha512-Cui5boBoBfHcySD3YA3XGzfP6BmLFv2mS2D6LrOCwUfMvmwcRVdutTXDoJ/mj/2D+wk1yd9fyZkLtSNvCvz8JA=="
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/ded-pwa-test-pub-pkg/MAL-2026-13537.json"