MAL-2025-6437

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/atlasctf-21-prod-00/MAL-2025-6437.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2025-6437
Published
2025-06-07T14:05:45Z
Modified
2026-03-19T12:50:38.920990Z
Summary
Malicious code in atlasctf-21-prod-00 (PyPI)
Details

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

Source: kam193 (14e4ae78e884590292b3a8ef6ebe2093e02ffc05d89f37718d9f2573e8a9e5e0)

On installation or importing, the package attempts to exfiltrate some basic information, e.g. /etc/passwd

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: 2025-06-atlasctf

Reasons (based on the campaign):

  • exfiltration-generic

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

  • The package overrides the install command in setup.py to execute malicious code during installation.

Database specific 
{
    "malicious-packages-origins": [
        {
            "sha256": "873f570a735a432a0ce326506af7b20d11667895d39f6a1fa45f00008e21c02d",
            "id": "RLMA-2025-03522",
            "import_time": "2025-08-01T10:07:09.016258289Z",
            "modified_time": "2025-07-31T19:14:01Z",
            "versions": [
                "99.99.99",
                "99.99.99.1"
            ],
            "source": "reversing-labs"
        },
        {
            "sha256": "6f85bf4045bf37f1b441dff306433448960cc0545dc06908161cd0b7991af75b",
            "id": "pypi/2025-06-atlasctf/atlasctf-21-prod-00",
            "import_time": "2025-12-02T22:30:55.841600468Z",
            "modified_time": "2025-06-07T14:05:45Z",
            "ranges": [
                {
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ],
                    "type": "ECOSYSTEM"
                }
            ],
            "source": "kam193"
        },
        {
            "sha256": "14e4ae78e884590292b3a8ef6ebe2093e02ffc05d89f37718d9f2573e8a9e5e0",
            "id": "pypi/2025-06-atlasctf/atlasctf-21-prod-00",
            "import_time": "2025-12-02T23:07:19.021747594Z",
            "modified_time": "2025-06-07T14:05:45Z",
            "ranges": [
                {
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ],
                    "type": "ECOSYSTEM"
                }
            ],
            "source": "kam193"
        },
        {
            "sha256": "6fb6fe8d79d0dce104d631497d65aefe61ef9d5da2258ce54fed259f6fd31549",
            "id": "pypi/2025-06-atlasctf/atlasctf-21-prod-00",
            "import_time": "2025-12-10T21:38:58.166773289Z",
            "modified_time": "2025-06-07T14:05:45Z",
            "versions": [
                "99.99.99",
                "99.99.99.1"
            ],
            "source": "kam193"
        },
        {
            "sha256": "60b6a6375018f72d5602a0802ad755982a77d469ba4f39094860fffa74b5979d",
            "id": "RLUA-2026-00095",
            "import_time": "2026-03-19T12:19:25.035697722Z",
            "modified_time": "2026-03-18T12:11:22Z",
            "source": "reversing-labs"
        }
    ]
}
References
Credits

Affected packages

PyPI / atlasctf-21-prod-00

Package

Name
atlasctf-21-prod-00
View open source insights on deps.dev
Purl
pkg:pypi/atlasctf-21-prod-00

Affected ranges

Affected versions

99.*
99.99.99
99.99.99.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/atlasctf-21-prod-00/MAL-2025-6437.json"