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6116c01 Aug 10, 2016
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@Rafiot @iglocska
executable file 62 lines (50 sloc) 1.72 KB
import json
import dns.resolver
misperrors = {'error': 'Error'}
mispattributes = {'input': ['hostname', 'domain', 'domain|ip'], 'output': ['ip-src',
'ip-dst']}
moduleinfo = {'version': '0.2', 'author': 'Alexandre Dulaunoy',
'description': 'Simple DNS expansion service to resolve IP address from MISP attributes',
'module-type': ['expansion', 'hover']}
moduleconfig = ['nameserver']
def handler(q=False):
if q is False:
return False
request = json.loads(q)
if request.get('hostname'):
toquery = request['hostname']
elif request.get('domain'):
toquery = request['domain']
elif request.get('domain|ip'):
toquery = request['domain|ip'].split('|')[0]
else:
return False
r = dns.resolver.Resolver()
r.timeout = 2
r.lifetime = 2
if request.get('config'):
if request['config'].get('nameserver'):
nameservers = []
nameservers.append(request['config'].get('nameserver'))
r.nameservers = nameservers
else:
r.nameservers = ['8.8.8.8']
try:
answer = r.query(toquery, 'A')
except dns.resolver.NXDOMAIN:
misperrors['error'] = "NXDOMAIN"
return misperrors
except dns.exception.Timeout:
misperrors['error'] = "Timeout"
return misperrors
except:
misperrors['error'] = "DNS resolving error"
return misperrors
r = {'results': [{'types': mispattributes['output'],
'values':[str(answer[0])]}]}
return r
def introspection():
return mispattributes
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo