MAL-2026-35

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/aiihttp/MAL-2026-35.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-35
Published
2026-01-04T18:50:00Z
Modified
2026-01-04T19:18:58.772492Z
Summary
Malicious code in aiihttp (PyPI)
Details

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

Source: kam193 (e98bbfaaccc91213e80bb0a09f5081a5701cf01629ac8b82370adbbbc42178b0)

Obfuscated code downloads an encrypted binary blob, which is malware finally starting cryptomining. After starting the malware, the Python package uninstall itself and installs the legitimate package, covering tracks of the infection.

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

Campaign: 2026-01-aiihttp

Reasons (based on the campaign):

  • typosquatting

  • Downloads and executes a remote executable.

  • malware

  • cryptominer

  • obfuscation

  • covering-tracks

Database specific 
{
    "iocs": {
        "urls": [
            "https://github.com/ffoundation7/mscur2/raw/refs/heads/main/data_3.bin",
            "https://github.com/ffoundation7/mscur",
            "https://github.com/ffoundation7/mscur2"
        ]
    },
    "malicious-packages-origins": [
        {
            "sha256": "e98bbfaaccc91213e80bb0a09f5081a5701cf01629ac8b82370adbbbc42178b0",
            "source": "kam193",
            "modified_time": "2026-01-04T18:50:00.293144Z",
            "id": "pypi/2026-01-aiihttp/aiihttp",
            "import_time": "2026-01-04T19:06:14.483017167Z",
            "versions": [
                "3.13.3"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / aiihttp

Package

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

Affected ranges

Affected versions

3.*
3.13.3

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/aiihttp/MAL-2026-35.json"