2016-02-17 16:05:06 +01:00
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import json
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import dns.resolver
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2016-02-29 21:44:50 +01:00
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misperrors = {'error' : 'Error'}
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2016-02-24 02:50:35 +01:00
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mispattributes = {'input': ['hostname', 'domain'], 'output': ['ip-src', 'ip-dst']}
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2016-03-09 07:23:32 +01:00
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moduleinfo = {'version': '0.1', 'author': 'Alexandre Dulaunoy', 'description': 'Simple DNS expansion service to resolve IP address from MISP attributes'}
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2016-02-17 16:05:06 +01:00
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2016-02-24 02:50:35 +01:00
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2016-02-17 16:05:06 +01:00
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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 request.get('hostname'):
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toquery = request['hostname']
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elif request.get('domain'):
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toquery = request['domain']
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else:
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return False
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r = dns.resolver.Resolver()
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2016-02-29 21:44:50 +01:00
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r.timeout = 2
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r.lifetime = 2
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2016-02-29 21:50:37 +01:00
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r.nameservers = ['8.8.8.8']
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2016-02-17 16:05:06 +01:00
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try:
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answer = r.query(toquery, 'A')
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except dns.resolver.NXDOMAIN:
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2016-02-29 21:44:50 +01:00
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misperrors['error'] = "NXDOMAIN"
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return misperrors
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2016-02-17 16:05:06 +01:00
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except dns.exception.Timeout:
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2016-02-29 21:44:50 +01:00
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misperrors['error'] = "Timeout"
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return misperrors
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except:
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misperrors['error'] = "DNS resolving error"
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return misperrors
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2016-02-24 02:50:35 +01:00
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r = {'results': [{'types': mispattributes['output'], 'values':[str(answer[0])]}]}
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2016-02-17 16:05:06 +01:00
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return r
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2016-02-24 02:50:35 +01:00
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def introspection():
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2016-02-24 00:53:15 +01:00
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return mispattributes
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2016-02-24 02:50:35 +01:00
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2016-02-24 00:53:15 +01:00
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def version():
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return moduleinfo
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