MAL-2026-441

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Import Source

https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/spellcheckpy/MAL-2026-441.json

JSON Data

https://api.osv.dev/v1/vulns/MAL-2026-441

Published

2026-01-21T08:10:26Z

Modified

2026-01-28T19:20:10.225963Z

Summary

Malicious code in spellcheckpy (PyPI)

Details

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

Source: kam193 (063d67bbc510966bb83b63d1ba79a8279cf212b9028005800d6f2f99534eec46)

Packages contain hidden code that is effectively run during importing or using the library, and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute

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

Campaign: 2025-11-spellcheckers

Reasons (based on the campaign):

obfuscation
Downloads and executes a remote malicious script.
The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

Database specific

{
    "iocs": {
        "domains": [
            "dothebest.store",
            "searchbox.info",
            "updatenet.work"
        ],
        "urls": [
            "https://dothebest.store/allow/inform.php",
            "https://dothebest.store/refresh.php",
            "https://searchbox.info/prefer.php",
            "https://updatenet.work/settings/history.php"
        ]
    },
    "malicious-packages-origins": [
        {
            "source": "kam193",
            "sha256": "063d67bbc510966bb83b63d1ba79a8279cf212b9028005800d6f2f99534eec46",
            "versions": [
                "1.1.0",
                "1.2.0"
            ],
            "import_time": "2026-01-21T08:46:11.226761952Z",
            "modified_time": "2026-01-21T08:10:26.742634Z",
            "id": "pypi/2025-11-spellcheckers/spellcheckpy"
        },
        {
            "source": "kam193",
            "sha256": "cfd5a033715b89d667fb2b3d63b55b7cfbe0476dd277d6fbffe53e1a18415d50",
            "versions": [
                "1.1.0",
                "1.2.0"
            ],
            "import_time": "2026-01-27T18:48:13.389460094Z",
            "modified_time": "2026-01-21T08:10:26.742634Z",
            "id": "pypi/2025-11-spellcheckers/spellcheckpy"
        },
        {
            "source": "kam193",
            "sha256": "623cdd159f33f5102e70fd0b181c201c98ded82ac4f58f4dac059ecabd2a37a8",
            "versions": [
                "1.1.0",
                "1.2.0"
            ],
            "import_time": "2026-01-28T19:11:43.699713929Z",
            "modified_time": "2026-01-21T08:10:26.742634Z",
            "id": "pypi/2025-11-spellcheckers/spellcheckpy"
        }
    ]
}

References

Credits

- Kamil Mańkowski (kam193) - REPORTER
- - https://github.com/kam193
  - https://bad-packages.kam193.eu/

Affected packages

PyPI / spellcheckpy

Package

Name: spellcheckpy; View open source insights on deps.dev
Purl: pkg:pypi/spellcheckpy

Affected ranges

Affected versions

1.*

1.1.0

1.2.0

Database specific

source

"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/spellcheckpy/MAL-2026-441.json"