MAL-2025-4269

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/web3author/MAL-2025-4269.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2025-4269
Published
2025-04-27T08:06:41Z
Modified
2026-03-19T12:58:15.394514Z
Summary
Malicious code in web3author (PyPI)
Details

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

Source: kam193 (d5eac126109d648cac7a74217f0bc4b9e9bd0d07dc400924bf346f90b4b7ad9d)

Package contains just a function to send out data. It (or a package sharing the same IoCs) is used in a malicious GitHub project to exfiltrate crypto currency private keys, e.g. https://github.com/taikoyaki/MegaEth-Auto-Bot/blob/772b4591daaa0b200d1bd1fd3be3d48b8433f084/cap/cap.py#L49

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

Campaign: 2025-04-alchemyrpcs

Reasons (based on the campaign):

  • crypto-related

  • The malicious code is intentionally included in a dependency of the package

  • exfiltration-crypto

Database specific 
{
    "iocs": {
        "domains": [
            "web3check-api.netlify.app",
            "dapper-flan-46eb5a.netlify.app"
        ]
    },
    "malicious-packages-origins": [
        {
            "id": "RLMA-2025-02627",
            "import_time": "2025-05-22T14:06:40.208964689Z",
            "sha256": "a0b36f5e65a090983db0db0e90790e0b5c2b8173cfb1d641028544003d053819",
            "source": "reversing-labs",
            "modified_time": "2025-05-22T12:34:00Z",
            "versions": [
                "1.0.0"
            ]
        },
        {
            "id": "pypi/2025-04-alchemyrpcs/web3author",
            "ranges": [
                {
                    "type": "ECOSYSTEM",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "import_time": "2025-12-02T22:30:55.74745802Z",
            "sha256": "89f9e349e967d4972e6666e7fbe09bb4ceefa8ff19955964a6526cffe506eac6",
            "source": "kam193",
            "modified_time": "2025-04-27T08:06:41Z"
        },
        {
            "id": "pypi/2025-04-alchemyrpcs/web3author",
            "ranges": [
                {
                    "type": "ECOSYSTEM",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "import_time": "2025-12-02T23:07:18.789617169Z",
            "sha256": "d5eac126109d648cac7a74217f0bc4b9e9bd0d07dc400924bf346f90b4b7ad9d",
            "source": "kam193",
            "modified_time": "2025-04-27T08:06:41Z"
        },
        {
            "id": "pypi/2025-04-alchemyrpcs/web3author",
            "import_time": "2025-12-10T21:38:57.957294104Z",
            "sha256": "3bee664c9376b517cfb9fe199dad3ee71e3dd60bc0d2979659b810b1620f7ce8",
            "source": "kam193",
            "modified_time": "2025-04-27T08:06:41Z",
            "versions": [
                "1.0.0"
            ]
        },
        {
            "id": "RLUA-2026-00915",
            "import_time": "2026-03-19T12:20:43.143660241Z",
            "sha256": "b4c722de6ab72214abf8022f6241c4385459009616c0bbe54457b28cb180bdfa",
            "source": "reversing-labs",
            "modified_time": "2026-03-18T12:20:28Z"
        }
    ]
}
References
Credits

Affected packages

PyPI / web3author

Package

Name
web3author
View open source insights on deps.dev
Purl
pkg:pypi/web3author

Affected ranges

Affected versions

1.*
1.0.0

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/web3author/MAL-2025-4269.json"