Produce and consume OpenC2 JSON messages
Lycan is an implementation of the OpenC2 OASIS standard for command and control messaging. The current implementation is based on the Language Specification v1.0.
Given the influence of STIX/CyBoX on OpenC2, this library extends the STIX 2 Python API internals. Property validation and object extension support aligns with STIX2 conventions.
Install with pip:
$ pip install openc2
import iptc from openc2 import parse, IPv4Address, Command, Response, Args # encode cmd = Command(action = "deny", target = IPv4Address(ipv4_net = "220.127.116.11"), args = Args(response_requested = "complete")) msg = cmd.serialize() # decode cmd = parse(msg) if cmd.action == "deny" and cmd.target.type == "ipv4_net": rule = iptc.Rule() rule.create_match(cmd.target.ipv4_net) rule.create_target("DROP") if cmd.args.response_requested == 'complete': resp = Response(status=200) msg = resp.serialize() # custom actuator from openc2 import CustomActuator from stix2 import properties @CustomActuator('x-acme-widget', [ ('name', properties.StringProperty(required=True)), ('version', properties.FloatProperty()) ]) class AcmeWidgetActuator(object): def __init__(self, version=None, **kwargs): if version and version < 1.0: raise ValueError("'%f' is not a supported version." % version) widget = AcmeWidgetActuator(name="foo", version=1.1)
This GitHub public repository ( https://github.com/oasis-open/openc2-lycan-python ) was created at the request of the OASIS Open Command and Control (OpenC2) TC as an OASIS TC Open Repository to support development of open source resources related to Technical Committee work.
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The purpose of this OASIS TC Open repository is to develop and maintain a python implementation of OpenC2, and to provide a python codebase to facilitate other prototype efforts. The python library is designed to support transformations between data-interchange formats (such as JSON) and python language objects.
The OASIS OpenC2 Technical Committee was chartered to address matters as they pertain to command and control of cyber defense technologies, and to maintain a library of prototype implementations.
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