MAL-2025-5123

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/pyfernet/MAL-2025-5123.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2025-5123
Published
2025-05-27T05:53:30Z
Modified
2026-03-19T12:55:43Z
Summary
Malicious code in pyfernet (PyPI)
Details

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

Source: kam193 (5a2f90c0e3c6e46456cd3e319aaaf4a7b53475a554a997a964fdda898e85fcd0)

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

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": "RLMA-2025-03020",
            "import_time": "2025-06-18T15:06:02.139766476Z",
            "modified_time": "2025-06-18T10:15:16Z",
            "sha256": "ed80ef98612eb3aaad949163f4f0cc751265b3940a964d57baf1153a585d14cb",
            "source": "reversing-labs",
            "versions": [
                "0.0.1"
            ]
        },
        {
            "id": "pypi/2025-05-fernets/pyfernet",
            "import_time": "2025-12-02T22:30:55.463151667Z",
            "modified_time": "2025-05-27T05:53:30Z",
            "ranges": [
                {
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ],
                    "type": "ECOSYSTEM"
                }
            ],
            "sha256": "fdff1f19e5f1ab997df824814e20a0e45bd067a964d72433e069ea9d343d0cf1",
            "source": "kam193"
        },
        {
            "id": "pypi/2025-05-fernets/pyfernet",
            "import_time": "2025-12-02T23:07:18.487572125Z",
            "modified_time": "2025-05-27T05:53:30Z",
            "ranges": [
                {
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ],
                    "type": "ECOSYSTEM"
                }
            ],
            "sha256": "5a2f90c0e3c6e46456cd3e319aaaf4a7b53475a554a997a964fdda898e85fcd0",
            "source": "kam193"
        },
        {
            "id": "pypi/2025-05-fernets/pyfernet",
            "import_time": "2025-12-10T21:38:57.702832487Z",
            "modified_time": "2025-05-27T05:53:30Z",
            "sha256": "0980354b90f27172271c592fe956b26f0da8bc72c831d8992ca262c4dda1edc5",
            "source": "kam193",
            "versions": [
                "0.0.1"
            ]
        },
        {
            "id": "RLUA-2026-00630",
            "import_time": "2026-03-19T12:20:15.29322539Z",
            "modified_time": "2026-03-18T12:17:24Z",
            "sha256": "c395211e960cd02a5539b696480a5c6ea8687457f14c0fdaa34e33a51c9a01e7",
            "source": "reversing-labs"
        }
    ]
}
References
Credits

Affected packages

PyPI / pyfernet

Package

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

Affected ranges

Affected versions

0.*
0.0.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/pyfernet/MAL-2025-5123.json"