mal-2025-191728
Vulnerability from ossf_malicious_packages
Published
2025-05-27 05:53
Modified
2025-12-11 09:27
Summary
Malicious code in fernets (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (95fc75ed8a4cfcccc988b2241772effbc15eb3700a6a96f3183981a1b4c7fba7)
If imported, the module starts a multi-stage infostealer, exfiltrating browser data as well as crypto wallets, and also attempts to monitor clipboard looking for crypto wallets addresses
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-05-fernets
Reasons (based on the campaign):
-
infostealer
-
clipboard-stealing
-
exfiltration-generic
-
obfuscation
-
exfiltration-browser-data
-
exfiltration-crypto
-
typosquatting
Credits
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "fernets"
},
"versions": [
"0.0.1"
]
}
],
"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"
}
],
"database_specific": {
"iocs": {
"ips": [
"196.251.81.229"
],
"urls": [
"http://196.251.81.229:6969/1.txt",
"http://196.251.81.229:6969/download/svchost.bat",
"http://196.251.81.229:6969/clippa.txt",
"http://196.251.81.229:6969/2.txt",
"http://196.251.81.229:8000/repeter/viiZ8YGt0HnubnyN"
]
},
"malicious-packages-origins": [
{
"id": "pypi/2025-05-fernets/fernets",
"import_time": "2025-12-02T22:30:55.190710316Z",
"modified_time": "2025-05-27T05:53:30Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "dd3b7424b135987d6afd4a7db4a598da28ae35e6bb3f23479895719e7259167e",
"source": "kam193"
},
{
"id": "pypi/2025-05-fernets/fernets",
"import_time": "2025-12-02T23:07:18.199630917Z",
"modified_time": "2025-05-27T05:53:30Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "95fc75ed8a4cfcccc988b2241772effbc15eb3700a6a96f3183981a1b4c7fba7",
"source": "kam193"
},
{
"id": "pypi/2025-05-fernets/fernets",
"import_time": "2025-12-10T21:38:57.484258563Z",
"modified_time": "2025-05-27T05:53:30Z",
"sha256": "33de23a7d91f271bac26de71646bc5fa1929e08997ce7ef81d5bdc0bbc45f0d6",
"source": "kam193",
"versions": [
"0.0.1"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (95fc75ed8a4cfcccc988b2241772effbc15eb3700a6a96f3183981a1b4c7fba7)\nIf imported, the module starts a multi-stage infostealer, exfiltrating browser data as well as crypto wallets, and also attempts to monitor clipboard looking for crypto wallets addresses\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-05-fernets\n\n\nReasons (based on the campaign):\n\n\n - infostealer\n\n\n - clipboard-stealing\n\n\n - exfiltration-generic\n\n\n - obfuscation\n\n\n - exfiltration-browser-data\n\n\n - exfiltration-crypto\n\n\n - typosquatting\n",
"id": "MAL-2025-191728",
"modified": "2025-12-11T09:27:53Z",
"published": "2025-05-27T05:53:30Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/fernets"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in fernets (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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