mirror of https://github.com/MISP/misp-modules
62 lines
1.7 KiB
Python
Executable File
62 lines
1.7 KiB
Python
Executable File
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.resolve(toquery, 'A')
|
|
except dns.resolver.NXDOMAIN:
|
|
misperrors['error'] = "NXDOMAIN"
|
|
return misperrors
|
|
except dns.exception.Timeout:
|
|
misperrors['error'] = "Timeout"
|
|
return misperrors
|
|
except Exception:
|
|
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
|