misp-modules/misp_modules/modules/expansion/dbl_spamhaus.py

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import json
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import sys
try:
original_path = sys.path
sys.path = original_path[1:]
import dns.resolver
sys.path = original_path
resolver = dns.resolver.Resolver()
resolver.timeout = 0.2
resolver.lifetime = 0.2
except ImportError:
print("dnspython3 is missing, use 'pip install dnspython3' to install it.")
sys.exit(0)
misperrors = {'error': 'Error'}
mispattributes = {'input': ['domain', 'domain|ip', 'hostname', 'hostname|port'], 'output': ['text']}
moduleinfo = {'version': '0.1', 'author': 'Christian Studer',
'description': 'Checks Spamhaus DBL for a domain name.',
'module-type': ['expansion', 'hover']}
moduleconfig = []
dbl = 'dbl.spamhaus.org'
dbl_mapping = {'127.0.1.2': 'spam domain',
'127.0.1.4': 'phish domain',
'127.0.1.5': 'malware domain',
'127.0.1.6': 'botnet C&C domain',
'127.0.1.102': 'abused legit spam',
'127.0.1.103': 'abused spammed redirector domain',
'127.0.1.104': 'abused legit phish',
'127.0.1.105': 'abused legit malware',
'127.0.1.106': 'abused legit botnet C&C',
'127.0.1.255': 'IP queries prohibited!'}
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def fetch_requested_value(request):
for attribute_type in mispattributes['input']:
if request.get(attribute_type):
return request[attribute_type].split('|')[0]
return None
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def handler(q=False):
if q is False:
return False
request = json.loads(q)
requested_value = fetch_requested_value(request)
if requested_value is None:
misperrors['error'] = "Unsupported attributes type"
return misperrors
query = "{}.{}".format(requested_value, dbl)
try:
query_result = resolver.resolve(query, 'A')[0]
result = "{} - {}".format(requested_value, dbl_mapping[str(query_result)])
except dns.resolver.NXDOMAIN as e:
result = e.msg
except Exception:
return {'error': 'Not able to reach dbl.spamhaus.org or something went wrong'}
return {'results': [{'types': mispattributes.get('output'), 'values': result}]}
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def introspection():
return mispattributes
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def version():
moduleinfo['config'] = moduleconfig
return moduleinfo