MAL-2026-762

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/metadata-checker/MAL-2026-762.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-762
Published
2026-02-05T14:30:34Z
Modified
2026-02-05T16:09:38.416941Z
Summary
Malicious code in metadata-checker (PyPI)
Details

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

Source: kam193 (222755e960642163a0918eeb42baef3dedec6676e084a02742210fb83b7d99e5)

Disguised as metadata checker, packages are designed to exfiltrate hardcoded or given data to an obfuscated remote target

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-02-metadata-checker

Reasons (based on the campaign):

  • exfiltration-generic

  • obfuscation

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "pypi/2026-02-metadata-checker/metadata-checker",
            "import_time": "2026-02-05T14:48:13.928240905Z",
            "modified_time": "2026-02-05T14:30:34.356269Z",
            "sha256": "222755e960642163a0918eeb42baef3dedec6676e084a02742210fb83b7d99e5",
            "source": "kam193",
            "versions": [
                "1.2.0"
            ]
        },
        {
            "id": "pypi/2026-02-metadata-checker/metadata-checker",
            "import_time": "2026-02-05T15:18:43.58869609Z",
            "modified_time": "2026-02-05T14:30:34.356269Z",
            "sha256": "4520dac4fe874a822ca181ea00a3aeff52f7834c4a7a853a11c02e02836b2361",
            "source": "kam193",
            "versions": [
                "1.2.0"
            ]
        }
    ],
    "iocs": {
        "domains": [
            "8d7sabfsd2.youkyy.com",
            "youkyy.com"
        ],
        "urls": [
            "https://8d7sabfsd2.youkyy.com/MyData.php",
            "https://8d7sabfsd2.youkyy.com/1.php"
        ]
    }
}
References
Credits

Affected packages

PyPI / metadata-checker

Package

Name
metadata-checker
View open source insights on deps.dev
Purl
pkg:pypi/metadata-checker

Affected ranges

Affected versions

1.*
1.2.0

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/metadata-checker/MAL-2026-762.json"