mirror of https://github.com/MISP/misp-modules
71 lines
2.8 KiB
Python
Executable File
71 lines
2.8 KiB
Python
Executable File
import json
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import pypdns
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from pymisp import MISPAttribute, MISPEvent, MISPObject
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mispattributes = {'input': ['hostname', 'domain', 'ip-src', 'ip-dst'], 'format': 'misp_standard'}
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moduleinfo = {'version': '0.2', 'author': 'Alexandre Dulaunoy',
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'description': 'Module to access CIRCL Passive DNS',
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'module-type': ['expansion', 'hover']}
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moduleconfig = ['username', 'password']
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class PassiveDNSParser():
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def __init__(self, attribute, authentication):
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self.misp_event = MISPEvent()
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self.attribute = MISPAttribute()
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self.attribute.from_dict(**attribute)
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self.misp_event.add_attribute(**self.attribute)
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self.pdns = pypdns.PyPDNS(basic_auth=authentication)
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def get_results(self):
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if hasattr(self, 'result'):
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return self.result
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event = json.loads(self.misp_event.to_json())
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results = {key: event[key] for key in ('Attribute', 'Object')}
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return {'results': results}
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def parse(self, value):
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try:
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results = self.pdns.query(self.attribute.value)
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except Exception:
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self.result = {'error': 'There is an authentication error, please make sure you supply correct credentials.'}
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return
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mapping = {'count': 'counter', 'origin': 'text',
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'time_first': 'datetime', 'rrtype': 'text',
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'rrname': 'text', 'rdata': 'text',
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'time_last': 'datetime'}
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for result in results:
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pdns_object = MISPObject('passive-dns')
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for relation, attribute_type in mapping.items():
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pdns_object.add_attribute(relation, type=attribute_type, value=result[relation])
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pdns_object.add_reference(self.attribute.uuid, 'associated-to')
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self.misp_event.add_object(**pdns_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('config'):
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return {'error': 'CIRCL Passive DNS authentication is missing.'}
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if not request['config'].get('username') or not request['config'].get('password'):
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return {'error': 'CIRCL Passive DNS authentication is incomplete, please provide your username and password.'}
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authentication = (request['config']['username'], request['config']['password'])
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if not request.get('attribute'):
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return {'error': 'Unsupported input.'}
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attribute = request['attribute']
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if not any(input_type == attribute['type'] for input_type in mispattributes['input']):
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return {'error': 'Unsupported attributes type'}
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pdns_parser = PassiveDNSParser(attribute, authentication)
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pdns_parser.parse(attribute['value'])
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return pdns_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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