MAL-2023-8764

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/excaliburx/MAL-2023-8764.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2023-8764
Published
2023-12-25T21:15:41Z
Modified
2025-12-12T20:37:34.730192Z
Summary
Malicious code in excaliburx (PyPI)
Details

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

Source: kam193 (1d763da65172935a20c3b03c65deff16a2eb251d857d1fc34e4cc67b72f7610a)

Packages either test the malicious behaviour, or actually download and run a simple remote script during the installation.

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: 2023-12-valuent

Reasons (based on the campaign):

  • 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.

  • Downloads and executes a remote malicious script.

Source: ossf-package-analysis (9aa03155d8305b625aecdc1871776dc46f0c76e1fefd1a86c14b0198272f16a3)

The OpenSSF Package Analysis project identified 'excaliburx' @ 1.0.0 (pypi) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

  • The package executes one or more commands associated with malicious behavior.

Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2023-12-29T10:34:32.959849677Z",
            "sha256": "9aa03155d8305b625aecdc1871776dc46f0c76e1fefd1a86c14b0198272f16a3",
            "source": "ossf-package-analysis",
            "modified_time": "2023-12-25T21:15:41Z",
            "versions": [
                "1.0.0"
            ]
        },
        {
            "id": "pypi/2023-12-valuent/excaliburx",
            "ranges": [
                {
                    "type": "ECOSYSTEM",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "import_time": "2025-12-02T22:30:56.019624308Z",
            "sha256": "f1df6c818b8b6a586372f7ef6d949bcbd76eb1891987a62eb0215895afda9317",
            "source": "kam193",
            "modified_time": "2024-11-30T09:03:27Z"
        },
        {
            "id": "pypi/2023-12-valuent/excaliburx",
            "ranges": [
                {
                    "type": "ECOSYSTEM",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "import_time": "2025-12-02T23:07:19.218290228Z",
            "sha256": "1d763da65172935a20c3b03c65deff16a2eb251d857d1fc34e4cc67b72f7610a",
            "source": "kam193",
            "modified_time": "2024-11-30T09:03:27Z"
        },
        {
            "id": "pypi/2023-12-valuent/excaliburx",
            "import_time": "2025-12-10T21:38:58.358846206Z",
            "sha256": "dec77b3ad72951b5f72861d3f8c18faeddb1aed08be453485f31d5af45afe5d7",
            "source": "kam193",
            "modified_time": "2024-11-30T09:03:27Z",
            "versions": [
                "1.0.0"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / excaliburx

Package

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

Affected ranges

Affected versions

1.*
1.0.0

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/excaliburx/MAL-2023-8764.json"