mal-2025-5142
Vulnerability from ossf_malicious_packages
Published
2025-04-27 08:06
Modified
2025-12-11 09:27
Summary
Malicious code in web3evm (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (6c2f7724a72031eda7b5c33755802a67784979e2a9459d83698b0637be68630b)
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
Credits
ReversingLabs
www.reversinglabs.com
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "web3evm",
"purl": "pkg:pypi/web3evm"
},
"versions": [
"0.1.0",
"0.1.1",
"0.1.2",
"0.1.3"
]
}
],
"credits": [
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)"
},
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "REPORTER"
},
{
"contact": [
"https://www.reversinglabs.com"
],
"name": "ReversingLabs",
"type": "FINDER"
}
],
"database_specific": {
"iocs": {
"domains": [
"web3check-api.netlify.app",
"dapper-flan-46eb5a.netlify.app"
]
},
"malicious-packages-origins": [
{
"id": "RLMA-2025-03039",
"import_time": "2025-06-18T15:06:04.010790201Z",
"modified_time": "2025-06-18T10:15:27Z",
"sha256": "c5b7092971e2231d110944e8ef03efa2aa8c0c3e5c1c2a1268ee64096348958f",
"source": "reversing-labs",
"versions": [
"0.1.0",
"0.1.1",
"0.1.2",
"0.1.3"
]
},
{
"id": "pypi/2025-04-alchemyrpcs/web3evm",
"import_time": "2025-12-02T22:30:55.751874523Z",
"modified_time": "2025-04-27T08:06:41Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "73cdff85b939d243524dad0af0b064dd1e694d3491b1b3b2044f94a20597da5d",
"source": "kam193"
},
{
"id": "pypi/2025-04-alchemyrpcs/web3evm",
"import_time": "2025-12-02T23:07:18.793651317Z",
"modified_time": "2025-04-27T08:06:41Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "6c2f7724a72031eda7b5c33755802a67784979e2a9459d83698b0637be68630b",
"source": "kam193"
},
{
"id": "pypi/2025-04-alchemyrpcs/web3evm",
"import_time": "2025-12-10T21:38:57.960786657Z",
"modified_time": "2025-04-27T08:06:41Z",
"sha256": "7ddc21819c79e94852afae6b5d2859f71c8cc0d7d4c44eebaff1e6a05cba2a85",
"source": "kam193",
"versions": [
"0.1.0",
"0.1.1",
"0.1.2",
"0.1.3"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (6c2f7724a72031eda7b5c33755802a67784979e2a9459d83698b0637be68630b)\nPackage 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\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-04-alchemyrpcs\n\n\nReasons (based on the campaign):\n\n\n - crypto-related\n\n\n - The malicious code is intentionally included in a dependency of the package\n\n\n - exfiltration-crypto\n",
"id": "MAL-2025-5142",
"modified": "2025-12-11T09:27:54Z",
"published": "2025-04-27T08:06:41Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/taikoyaki/MegaEth-Auto-Bot/blob/772b4591daaa0b200d1bd1fd3be3d48b8433f084/cap/cap.py#L49"
},
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/web3evm"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in web3evm (PyPI)"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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