mirror of https://github.com/MISP/misp-modules
124 lines
4.4 KiB
Python
124 lines
4.4 KiB
Python
import json
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import requests
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from . import check_input_attribute, standard_error_message
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from ._vulnerability_parser.vulnerability_parser import (
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VulnerabilityMapping, VulnerabilityParser)
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from pymisp import MISPObject
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misperrors = {'error': 'Error'}
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mispattributes = {'input': ['vulnerability'], 'format': 'misp_standard'}
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moduleinfo = {'version': '1', 'author': 'Christian Studer',
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'description': 'An expansion module to query variotdbs.pl',
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'module-type': ['expansion', 'hover']}
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moduleconfig = ['API_key']
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variotdbs_url = 'https://www.variotdbs.pl/api'
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class VariotMapping(VulnerabilityMapping):
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__exploit_mapping = {
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'credits': 'credit',
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'description': 'description',
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'exploit': 'exploit',
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'title': 'title'
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}
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__exploit_multiple_mapping = {
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'cve': {
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'feature': 'cve_id',
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'relation': 'cve-id'
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},
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'references': {
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'feature': 'url',
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'relation': 'reference'
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}
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}
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@classmethod
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def exploit_mapping(cls) -> dict:
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return cls.__exploit_mapping
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@classmethod
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def exploit_multiple_mapping(cls) -> dict:
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return cls.__exploit_multiple_mapping
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class VariotdbsParser(VulnerabilityParser):
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def __init__(self, attribute):
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super().__init__(attribute)
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self.__mapping = VulnerabilityMapping
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@property
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def mapping(self) -> VulnerabilityMapping:
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return self.__mapping
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def parse_exploit_information(self, query_results):
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for exploit in query_results:
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exploit_object = MISPObject('exploit')
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exploit_object.add_attribute('exploitdb-id', exploit['edb_id'])
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for field, relation in self.mapping.exploit_mapping().items():
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if exploit.get(field):
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exploit_object.add_attribute(
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relation, exploit[field]['data']
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)
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for field, relation in self.mapping.exploit_multiple_mapping().items():
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if exploit.get(field):
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for value in exploit[field]['data']:
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exploit_object.add_attribute(
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relation['relation'], value[relation['feature']]
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)
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exploit_object.add_reference(self.misp_attribute.uuid, 'related-to')
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self.misp_event.add_object(exploit_object)
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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('attribute') or not check_input_attribute(request['attribute']):
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return {'error': f'{standard_error_message}, which should contain at least a type, a value and an uuid.'}
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attribute = request['attribute']
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if attribute.get('type') != 'vulnerability':
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return {'error': 'Vulnerability id missing.'}
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headers = {'Content-Type': 'application/json'}
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if request.get('config', {}).get('API_key'):
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headers['Authorization'] = f"Token {request['config']['API_key']}"
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empty = True
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parser = VariotdbsParser(attribute)
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r = requests.get(f"{variotdbs_url}/vuln/{attribute['value']}/", headers=headers)
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if r.status_code == 200:
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vulnerability_results = r.json()
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if vulnerability_results:
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parser._parse_variot_description(vulnerability_results)
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empty = False
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else:
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if r.reason != 'Not Found':
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return {'error': 'Error while querying the variotdbs API.'}
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r = requests.get(f"{variotdbs_url}/exploits/?cve={attribute['value']}", headers=headers)
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if r.status_code == 200:
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exploit_results = r.json()
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if exploit_results:
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parser.parse_exploit_information(exploit_results['results'])
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empty = False
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if exploit_results['next'] is not None:
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while(1):
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exploit_results = requests.get(exploit_results['next'], headers=headers)
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if exploit_results.status_code != 200:
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break
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exploit_results = exploit_results.json()
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parser.parse_exploit_information(exploit_results['results'])
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if exploit_results['next'] is None:
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break
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else:
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return {'error': 'Error while querying the variotdbs API.'}
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if empty:
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return {'error': 'Empty results'}
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return parser.get_results()
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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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