mirror of https://github.com/MISP/misp-modules
39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
import json
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try:
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import yaml
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from sigma.parser.rule import SigmaParser
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from sigma.configuration import SigmaConfiguration
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except ImportError:
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print("sigma or yaml is missing, use 'pip3 install sigmatools' to install it.")
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misperrors = {'error': 'Error'}
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mispattributes = {'input': ['sigma'], 'output': ['text']}
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moduleinfo = {'version': '0.1', 'author': 'Christian Studer', 'module-type': ['expansion', 'hover'],
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'description': 'An expansion hover module to perform a syntax check on sigma rules'}
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moduleconfig = []
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def handler(q=False):
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if q is False:
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return False
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request = json.loads(q)
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if not request.get('sigma'):
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misperrors['error'] = 'Sigma rule missing'
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return misperrors
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config = SigmaConfiguration()
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try:
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parser = SigmaParser(yaml.safe_load(request.get('sigma')), config)
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result = ("Syntax valid: {}".format(parser.values))
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except Exception as e:
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result = ("Syntax error: {}".format(str(e)))
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return {'results': [{'types': mispattributes['output'], 'values': result}]}
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def introspection():
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return mispattributes
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def version():
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moduleinfo['config'] = moduleconfig
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return moduleinfo
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