MAL-2025-4272

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/web3yrpcs/MAL-2025-4272.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2025-4272
Published
2025-04-27T08:06:41Z
Modified
2026-03-19T12:58:25Z
Summary
Malicious code in web3yrpcs (PyPI)
Details

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

Source: kam193 (171ec4f4bbfb34688348ecdda292249487574c8fb28caf8467c0bbafb1563cb7)

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-2025-02630",
            "import_time": "2025-05-22T14:06:40.46140471Z",
            "modified_time": "2025-05-22T12:34:01Z",
            "sha256": "02407a1ef9536438cbb08658bb0328e4ca6657a6214ebd329bc8b56b57c058c1",
            "source": "reversing-labs",
            "versions": [
                "1.1.2"
            ]
        },
        {
            "id": "pypi/2025-04-alchemyrpcs/web3yrpcs",
            "import_time": "2025-12-02T22:30:55.758858533Z",
            "modified_time": "2025-04-27T08:06:41Z",
            "ranges": [
                {
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ],
                    "type": "ECOSYSTEM"
                }
            ],
            "sha256": "defde073e7bd3ba063a00577964c26c6256d20a9221cc4de5f675598618e5062",
            "source": "kam193"
        },
        {
            "id": "pypi/2025-04-alchemyrpcs/web3yrpcs",
            "import_time": "2025-12-02T23:07:18.801110164Z",
            "modified_time": "2025-04-27T08:06:41Z",
            "ranges": [
                {
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ],
                    "type": "ECOSYSTEM"
                }
            ],
            "sha256": "171ec4f4bbfb34688348ecdda292249487574c8fb28caf8467c0bbafb1563cb7",
            "source": "kam193"
        },
        {
            "id": "pypi/2025-04-alchemyrpcs/web3yrpcs",
            "import_time": "2025-12-10T21:38:57.967598355Z",
            "modified_time": "2025-04-27T08:06:41Z",
            "sha256": "6cae6c04abcfa97bd481e2ea2bb7fab7613522da692eab369c4af589addbf971",
            "source": "kam193",
            "versions": [
                "1.1.2"
            ]
        },
        {
            "id": "RLUA-2026-00923",
            "import_time": "2026-03-19T12:20:43.912334197Z",
            "modified_time": "2026-03-18T12:20:32Z",
            "sha256": "b6f73f2a0ef14631157a06327e68782be871d8e66e3b2bd4ca0262dc50b6c557",
            "source": "reversing-labs"
        }
    ]
}
References
Credits

Affected packages

PyPI / web3yrpcs

Package

Name
web3yrpcs
View open source insights on deps.dev
Purl
pkg:pypi/web3yrpcs

Affected ranges

Affected versions

1.*
1.1.2

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/web3yrpcs/MAL-2025-4272.json"