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domainhunter2.py
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domainhunter2.py
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#!/usr/bin/env python3
import dns.resolver
from datetime import tzinfo, timedelta, datetime
import time
import uuid
import sys
import os
import threading
import ipaddress
from multiprocessing import Process, Queue, JoinableQueue
import warnings
from ipwhois.net import Net
from ipwhois.asn import IPASN
from pprint import pprint
import re
import sqlite3
from urllib.request import urlopen
import requests
import requests_cache
import json
from pygraphviz import *
### Classes
class Workload:
store_db = {}
mem_db = {}
def __init__(self, base_fqdn, uuid_hunt=None):
self.base_fqdn = base_fqdn
self.wildcard_canary = 'wildcardcanary' + '.' + self.base_fqdn
self.initialize_db()
self.s_dt = datetime.utcnow()
if uuid_hunt is None:
self.uuid_hunt = str(uuid.uuid4())
else:
self.uuid_hunt = uuid_hunt
def initialize_db(self):
self.mem_db['connection'] = sqlite3.connect(':memory:')
self.mem_db['connection'].isolation_level = None
# self.mem_db['connection'] = sqlite3.connect(PATH + 'db/domainhunter2.db')
self.mem_db['cursor'] = self.mem_db['connection'].cursor()
self.mem_db['connection'].execute('''CREATE TABLE fqdns (uuid_fqdn TEXT, fqdn TEXT, status TEXT, uuid_parent TEXT)''')
self.mem_db['connection'].execute('''CREATE TABLE dns_rr (uuid_rr TEXT, fqdn TEXT, r_type TEXT, value TEXT)''')
self.mem_db['connection'].execute('''CREATE TABLE asn (uuid_asn TEXT, asn TEXT, asn_description TEXT,
asn_date TEXT, asn_registry TEXT,
asn_country_code TEXT, asn_cidr TEXT
)''')
self.mem_db['connection'].execute('''CREATE TABLE ip (uuid_ip TEXT, ip TEXT, version TEXT)''')
self.mem_db['connection'].execute('''CREATE TABLE ip2asn (uuid_ip TEXT, uuid_asn TEXT)''')
self.mem_db['connection'].execute('''CREATE TABLE dns_rr_parent_child (uuid_parent TEXT, uuid_child TEXT)''')
self.mem_db['connection'].execute('''CREATE TABLE dns_rr_to_ip (uuid_rr TEXT, uuid_ip TEXT)''')
self.mem_db['connection'].execute('''CREATE TABLE redirect (uuid_redir TEXT, schema TEXT, fqdn TEXT, location TEXT)''')
self.mem_db['connection'].execute('''CREATE TABLE fqdn2redirect (uuid_fqdn TEXT, uuid_redir TEXT)''')
self.store_db['connection'] = sqlite3.connect(PATH + 'db/domainhunter2.db')
self.store_db['connection'].isolation_level = None
self.store_db['cursor'] = self.store_db['connection'].cursor()
try:
self.store_db['connection'].execute('''CREATE TABLE dns_rr_cache (fqdn TEXT, r_type TEXT, value TEXT, error TEXT)''')
except:
pass
### Disk cache of dns_rr records for speed up
### TODO: should get a (longer) TTL
def add_cache_entry(self, fqdn, r_type, value, error):
sql = ' '.join(["INSERT INTO dns_rr_cache",
"(fqdn, r_type, value, error)"
"VALUES (:fqdn, :r_type, :value, :error)"])
self.store_db['cursor'].execute(sql,
{"fqdn":fqdn,
"r_type":r_type,
"value":value,
"error":error})
return True
def has_cache_hit(self, fqdn, r_type, error):
sql = ' '.join(["SELECT count(*)"
"FROM dns_rr_cache",
"WHERE fqdn = :fqdn",
"AND r_type = :r_type",
"AND error = :error"])
self.store_db['cursor'].execute(sql,
{"fqdn":fqdn,
"r_type":r_type,
"error":error})
cnt = self.store_db['cursor'].fetchone()[0]
return cnt > 0
def get_cache_hit(self, fqdn, r_type):
sql = ' '.join(["SELECT fqdn, r_type, value, error"
"FROM dns_rr_cache",
"WHERE fqdn = :fqdn",
"AND r_type = :r_type"])
self.store_db['cursor'].execute(sql,
{"fqdn":fqdn,
"r_type":r_type})
res = self.store_db['cursor'].fetchone()
rec = {}
rec['fqdn'] = res[0]
rec['r_type'] = res[1]
rec['value'] = res[2]
rec['error'] = res[3]
return rec
### Clean up stuff, milage may vary...
def detect_none_base_fqdn_rr_wilds_for_cleanup(self):
all_recs = self.get_dns_rr()
base_fqdn_rr = self.get_dns_rr_by_fqdn(self.base_fqdn)
for ar in all_recs:
if ar['r_type'] in ['NS', 'MX', 'SOA', 'TXT']:
for bfr in base_fqdn_rr:
if bfr['r_type'] == ar['r_type'] and bfr['value'] == ar['value']:
print(bfr['r_type'], "==", ar['r_type'], "and", bfr['value'], "==", ar['value'])
# Remove from all_recs (in the db)
self.delete_dns_rr_by_fqdn_and_r_type(ar['fqdn'], ar['r_type'])
def detect_and_remove_dns_wildcard(self):
canary_recs = self.get_dns_rr_by_fqdn(self.wildcard_canary)
print("Canary rec count:", len(canary_recs), file=sys.stderr)
all_recs = self.get_dns_rr()
print("All rec count:", len(all_recs), file=sys.stderr)
# Is the data of the canary_recs is found in the all_recs, than
# remove that record from the all_recs, unless it's the base_fqdn and the wildcard_canary itself
for ar in all_recs:
for cr in canary_recs:
if ar['value'] == cr['value'] and ar['r_type'] == cr['r_type']:
# Eligable for removal
if ar['fqdn'] == self.base_fqdn or ar['fqdn'] == self.wildcard_canary:
continue
else:
# Remove from all_recs (in the db)
self.delete_dns_rr_by_fqdn_and_r_type(ar['fqdn'], ar['r_type'])
### Table: dns_rr
def delete_dns_rr_by_fqdn_and_r_type(self, g_fqdn, g_r_type):
# Remove linkages
all_recs = self.get_dns_rr()
for r in all_recs:
if r['fqdn'] == g_fqdn and r['r_type'] == g_r_type:
self.delete_dns_rr_to_ip_by_uuid_rr(r['uuid_rr'])
# Remove DNS RR
sql = ' '.join(["DELETE FROM dns_rr",
"WHERE fqdn = :fqdn",
"AND r_type = :r_type"])
self.mem_db['cursor'].execute(sql,
{"fqdn":g_fqdn,
"r_type":g_r_type})
return True
def count_dns_rr_by_r_type_and_value(self, c_r_type, c_value):
sql = ' '.join(["SELECT count(*)"
"FROM dns_rr",
"WHERE r_type = :r_type",
"AND value = :value"])
self.mem_db['cursor'].execute(sql,
{"r_type":c_r_type,
"value":c_value})
cnt = self.mem_db['cursor'].fetchone()[0]
return cnt
def add_dns_rr(self, fqdn, r_type, value):
u = str(uuid.uuid4())
sql = ' '.join(["INSERT INTO dns_rr",
"(uuid_rr, fqdn, r_type, value)",
"VALUES (:uuid_rr, :fqdn, :r_type, :value)"])
self.mem_db['cursor'].execute(sql,
{"uuid_rr":u,
"fqdn":fqdn,
"r_type": r_type,
"value": value})
return u
def get_dns_rr_by_fqdn(self, g_fqdn):
all_dns_rr = []
sql = ' '.join(["SELECT uuid_rr, fqdn, r_type, value",
"FROM dns_rr",
"WHERE fqdn = :fqdn"])
self.mem_db['cursor'].execute(sql,
{"fqdn":g_fqdn})
for (uuid_rr, fqdn, r_type, value) in self.mem_db['cursor']:
rec = {}
rec['uuid_rr'] = uuid_rr
rec['fqdn'] = fqdn
rec['r_type'] = r_type
rec['value'] = value
all_dns_rr.append(rec)
return all_dns_rr
def get_dns_rr(self):
all_dns_rr = []
sql = ' '.join(["SELECT uuid_rr, fqdn, r_type, value",
"FROM dns_rr"])
self.mem_db['cursor'].execute(sql)
for (uuid_rr, fqdn, r_type, value) in self.mem_db['cursor']:
rec = {}
rec['uuid_rr'] = uuid_rr
rec['fqdn'] = fqdn
rec['r_type'] = r_type
rec['value'] = value
all_dns_rr.append(rec)
return all_dns_rr
def count_dns_rr_by_fqdn_and_r_type(self, g_fqdn, g_r_type):
sql = ' '.join(["SELECT count(*)",
"FROM dns_rr",
"WHERE fqdn = :fqdn",
"AND r_type = :r_type"])
self.mem_db['cursor'].execute(sql,
{"fqdn":g_fqdn, "r_type":g_r_type})
cnt = self.mem_db['cursor'].fetchone()[0]
return cnt
### Table: dns_rr_to_ip
def delete_dns_rr_to_ip_by_uuid_rr(self, g_uuid_rr):
sql = ' '.join(["DELETE FROM dns_rr_to_ip",
"WHERE uuid_rr = :uuid_rr"])
self.mem_db['cursor'].execute(sql,
{"uuid_rr":g_uuid_rr})
return True
def add_dns_rr_to_ip(self, uuid_rr, uuid_ip):
sql = ' '.join(["INSERT INTO dns_rr_to_ip",
"(uuid_rr, uuid_ip)"
"VALUES (:uuid_rr, :uuid_ip)"])
self.mem_db['cursor'].execute(sql,
{"uuid_rr":uuid_rr,
"uuid_ip":uuid_ip})
return True
### Table: dns_rr_parent_child
def add_dns_rr_parent_child(self, uuid_parent, uuid_child):
sql = ' '.join(["INSERT INTO dns_rr_parent_child",
"(uuid_parent, uuid_child)",
"VALUES (:uuid_parent, :uuid_child)"])
self.mem_db['cursor'].execute(sql,
{"uuid_parent":uuid_parent,
"uuid_child":uuid_child})
return True
def get_dns_rr_parent_child(self):
dns_rr_parent_child = []
sql = ' '.join(["SELECT uuid_parent, uuid_child",
"FROM dns_rr_parent_child"])
self.mem_db['cursor'].execute(sql)
for (uuid_parent, uuid_child) in self.mem_db['cursor']:
rec = {}
rec['uuid_parent'] = uuid_parent
rec['uuid_child'] = uuid_child
dns_rr_parent_child.append(rec)
return dns_rr_parent_child
### Table: fqdns
def add_fqdn(self, fqdn, uuid_parent):
# Status: "todo", "processing", "done"
u = str(uuid.uuid4())
sql = ' '.join(["INSERT INTO fqdns",
"(uuid_fqdn, fqdn, status, uuid_parent)",
"VALUES (:uuid_fqdn, :fqdn, :status, :uuid_parent)"])
self.mem_db['cursor'].execute(sql,
{"uuid_fqdn":u,
"fqdn": fqdn,
"status": "todo",
"uuid_parent": uuid_parent})
return u
def get_fqdns_not_done(self):
records = []
sql = ' '.join(["SELECT uuid_fqdn, fqdn, status, uuid_parent",
"FROM fqdns",
"WHERE status <> :status"])
self.mem_db['cursor'].execute(sql,
{"status":"done"})
for (uuid_fqdn, fqdn, status, uuid_parent) in self.mem_db['cursor']:
rec = {}
rec['uuid'] = uuid_fqdn
rec['fqdn'] = fqdn
rec['status'] = status
rec['uuid_parent'] = uuid_parent
records.append(rec)
return records
def get_fqdns_by_fqdn(self, g_fqdn):
records = []
sql = ' '.join(["SELECT uuid_fqdn, fqdn, status, uuid_parent",
"FROM fqdns",
"WHERE fqdn = :fqdn"])
self.mem_db['cursor'].execute(sql,
{"fqdn":g_fqdn})
for (uuid_fqdn, fqdn, status, uuid_parent) in self.mem_db['cursor']:
rec = {}
rec['uuid'] = uuid_fqdn
rec['fqdn'] = fqdn
rec['status'] = status
rec['uuid_parent'] = uuid_parent
records.append(rec)
return records
def update_fqdns_status_by_fqdn(self, u_fqdn, u_status):
records = []
sql = ' '.join(["UPDATE fqdns",
"SET status = :status",
"WHERE fqdn = :fqdn"])
self.mem_db['cursor'].execute(sql,
{"fqdn": u_fqdn,
"status": u_status})
return True
def count_fqdns_by_fqdn(self, c_fqdn):
sql = ' '.join(["SELECT count(*)",
"FROM fqdns",
"WHERE fqdn = :fqdn"])
self.mem_db['cursor'].execute(sql,
{"fqdn":c_fqdn})
cnt = self.mem_db['cursor'].fetchone()[0]
return cnt
def count_fqdns_by_status(self, c_status):
sql = ' '.join(["SELECT count(status)",
"FROM fqdns",
"WHERE status = :status"])
self.mem_db['cursor'].execute(sql,
{"status":c_status})
cnt = self.mem_db['cursor'].fetchone()[0]
return cnt
### Table: asn
def add_asn(self, asn, asn_description, asn_date, asn_registry, asn_country_code, asn_cidr):
u = str(uuid.uuid4())
sql = ' '.join(["INSERT INTO asn",
"(uuid_asn, asn, asn_description,",
"asn_date, asn_registry, asn_country_code,",
"asn_cidr)",
"VALUES (:uuid_asn, :asn, :asn_description,",
":asn_date, :asn_registry, :asn_country_code,",
":asn_cidr)"])
self.mem_db['cursor'].execute(sql,
{"uuid_asn":u,
"asn":asn,
"asn_description":asn_description,
"asn_date":asn_date,
"asn_registry":asn_registry,
"asn_country_code":asn_country_code,
"asn_cidr":asn_cidr})
return u
def count_asn_by_asn_and_asn_cidr(self, c_asn, c_asn_cidr):
sql = ' '.join(["SELECT count(*)"
"FROM asn",
"WHERE asn = :asn",
"AND asn_cidr = :asn_cidr"])
self.mem_db['cursor'].execute(sql,
{"asn":c_asn, "asn_cidr":c_asn_cidr})
cnt = self.mem_db['cursor'].fetchone()[0]
return cnt
def get_asns(self):
asns = []
sql = ' '.join(["SELECT uuid_asn, asn, asn_description,",
"asn_date, asn_registry, asn_country_code,",
"asn_cidr",
"FROM asn"])
self.mem_db['cursor'].execute(sql)
for (uuid_asn, asn, asn_description, asn_date,
asn_registry, asn_country_code, asn_cidr) in self.mem_db['cursor']:
rec = {}
rec['uuid_asn'] = uuid_asn
rec['asn'] = asn
rec['asn_description'] = asn_description
rec['asn_date'] = asn_date
rec['asn_registry'] = asn_registry
rec['asn_country_code'] = asn_country_code
rec['asn_cidr'] = asn_cidr
asns.append(rec)
return asns
def get_asn_by_asn_and_asn_cidr(self, c_asn, c_asn_cidr):
sql = ' '.join(["SELECT uuid_asn, asn, asn_description,",
"asn_date, asn_registry, asn_country_code,",
"asn_cidr",
"FROM asn",
"WHERE asn = :asn",
"AND asn_cidr = :asn_cidr"])
self.mem_db['cursor'].execute(sql,
{"asn":c_asn, "asn_cidr":c_asn_cidr})
for (uuid_asn, asn, asn_description, asn_date,
asn_registry, asn_country_code, asn_cidr) in self.mem_db['cursor']:
rec = {}
rec['uuid_asn'] = uuid_asn
rec['asn'] = asn
rec['asn_description'] = asn_description
rec['asn_date'] = asn_date
rec['asn_registry'] = asn_registry
rec['asn_country_code'] = asn_country_code
rec['asn_cidr'] = asn_cidr
# Only get the first, yes, indenting matters
return rec
### Table: ip
def add_ip(self, ip, version):
u = str(uuid.uuid4())
sql = ' '.join(["INSERT INTO ip (uuid_ip, ip, version)",
"VALUES (:uuid_ip, :ip, :version)"])
self.mem_db['cursor'].execute(sql,
{"uuid_ip":u, "ip":ip, "version":version})
return u
def count_ip_by_ip(self, c_ip):
sql = ' '.join(["SELECT count(ip)",
"FROM ip",
"WHERE ip = :ip"])
self.mem_db['cursor'].execute(sql,
{"ip":c_ip})
cnt = self.mem_db['cursor'].fetchone()[0]
return cnt
def get_ip_by_ip(self, g_ip):
sql = ' '.join(["SELECT uuid_ip, ip, version",
"FROM ip",
"WHERE ip = :ip"])
self.mem_db['cursor'].execute(sql,
{"ip":g_ip})
for (uuid_ip, ip, version) in self.mem_db['cursor']:
rec = {}
rec['uuid_ip'] = uuid_ip
rec['ip'] = ip
rec['version'] = version
# Only get the first, yes, indenting matters
return rec
def get_ips(self):
all_ips = []
sql = ' '.join(["SELECT uuid_ip, ip, version",
"FROM ip"])
self.mem_db['cursor'].execute(sql)
for (uuid_ip, ip, version) in self.mem_db['cursor']:
rec = {}
rec['uuid_ip'] = uuid_ip
rec['ip'] = ip
rec['version'] = version
all_ips.append(rec)
return all_ips
### Table: ip2asn
def add_ip2asn(self, uuid_ip, uuid_asn):
sql = ' '.join(["INSERT INTO ip2asn (uuid_ip, uuid_asn)",
"VALUES (:uuid_ip, :uuid_asn)"])
self.mem_db['cursor'].execute(sql,
{"uuid_ip":uuid_ip, "uuid_asn":uuid_asn})
return True
def get_ip2asns(self):
all_ip2asns = []
sql = ' '.join(["SELECT uuid_ip, uuid_asn",
"FROM ip2asn"])
self.mem_db['cursor'].execute(sql)
for (uuid_ip, uuid_asn) in self.mem_db['cursor']:
rec = {}
rec['uuid_ip'] = uuid_ip
rec['uuid_asn'] = uuid_asn
all_ip2asns.append(rec)
return all_ip2asns
### Table: redirect
def add_redirect(self, schema, fqdn, location):
u = str(uuid.uuid4())
sql = ' '.join(["INSERT INTO redirect (uuid_redir, schema, fqdn, location)",
"VALUES (:uuid_redir, :schema, :fqdn, :location)"])
self.mem_db['cursor'].execute(sql,
{"uuid_redir":u,
"schema":schema,
"fqdn":fqdn,
"location":location})
return u
def get_redirects(self):
all_redirects = []
sql = ' '.join(["SELECT uuid_redir, schema, fqdn, location",
"FROM redirect"])
self.mem_db['cursor'].execute(sql)
for (uuid_redir, schema, fqdn, location) in self.mem_db['cursor']:
rec = {}
rec['uuid_redir'] = uuid_redir
rec['schema'] = schema
rec['fqdn'] = fqdn
rec['location'] = location
all_redirects.append(rec)
return all_redirects
### Table: fqdn2redirect
def add_fqdn2redirect(self, uuid_fqdn, uuid_redir):
sql = ' '.join(["INSERT INTO fqdn2redirect (uuid_fqdn, uuid_redir)",
"VALUES (:uuid_fqdn, :uuid_redir)"])
self.mem_db['cursor'].execute(sql,
{"uuid_fqdn":uuid_fqdn,
"uuid_redir":uuid_redir})
return True
def get_fqdn2redirects(self):
all_fqdn2redirects = []
sql = ' '.join(["SELECT uuid_fqdn, uuid_redir",
"FROM fqdn2redirect"])
self.mem_db['cursor'].execute(sql)
for (uuid_fqdn, uuid_redir) in self.mem_db['cursor']:
rec = {}
rec['uuid_fqdn'] = uuid_fqdn
rec['uuid_redir'] = uuid_redir
all_fqdn2redirects.append(rec)
return all_fqdn2redirects
### Drawing stuff
def plot(self):
self.MainGraph.add_node(self.uuid_hunt, style='filled', color='blue', fontcolor='white',
label="Main search domain is:\n" + self.base_fqdn)
# Plot the FQDN with RR results and tie that to the main node
all_dns_rr = self.get_dns_rr()
for rec in all_dns_rr:
# Color by RR type
if rec['r_type'] == "CAA":
color = 'yellow'
fontcolor = 'black'
elif rec['r_type'] == "NS":
color = 'darkgoldenrod1'
fontcolor = 'blue'
elif rec['r_type'] == "MX":
color = 'orange'
fontcolor = 'blue'
elif rec['r_type'] == "SOA":
color = 'black'
fontcolor = 'white'
elif rec['r_type'] == "A":
color = 'red'
fontcolor = 'white'
elif rec['r_type'] == "AAAA":
color = 'crimson'
fontcolor = 'white'
elif rec['r_type'] == "CNAME":
color = 'gray40'
fontcolor = 'white'
elif rec['r_type'] == "TXT":
color = 'darkviolet'
fontcolor = 'white'
else:
color = 'red'
fontcolor = 'black'
# Plot all the nodes
self.MainGraph.add_node(rec['uuid_rr'], style='filled',
color=color,
fontcolor=fontcolor,
label=rec['fqdn'] + "\n" + rec['r_type'] + "\n" + rec['value'])
# Cluster the Name Servers per domain and link them to the virtual blob
ll_ns = {}
for rec_ns in all_dns_rr:
# Color by RR type
if rec_ns['r_type'] == "NS":
for rec_ns_inner in all_dns_rr:
if rec_ns_inner['r_type'] == "NS" and rec_ns['fqdn'] == rec_ns_inner['fqdn']:
if not rec_ns['fqdn'] in ll_ns:
ll_ns[rec_ns['fqdn']] = []
if rec_ns_inner['value'] not in ll_ns[rec_ns['fqdn']]:
ll_ns[rec_ns['fqdn']].append(rec_ns_inner['value'])
for k in ll_ns.keys():
ll_label = '\n'.join(sorted(ll_ns[k]))
ll_label_start = ' '.join(['NS:', k, "\n"])
u = str(uuid.uuid4())
self.MainGraph.add_node(u, style='filled',
color='gray30',
fillcolor='cornsilk',
fontcolor='black',
label=ll_label_start + ll_label)
for l_v in sorted(ll_ns[k]):
for rec_ns in all_dns_rr:
if rec_ns['r_type'] == "NS" and rec_ns['fqdn'] == k and rec_ns['value'] == l_v:
self.MainGraph.add_edge(rec_ns['uuid_rr'], u)
# HACK: re-plot the CNAME linkage to all RR types not yet linked
for rr in self.get_dns_rr():
if rr['r_type'] == 'CNAME':
for rr_inner in self.get_dns_rr():
# Combine the CNAME value (minus the dot final character) to whatever RR
if rr['value'][:-1] == rr_inner['fqdn']:
self.add_dns_rr_parent_child(rr['uuid_rr'], rr_inner['uuid_rr'])
# Plot the DNS RR Type linkages
all_dns_rr_parent_child = self.get_dns_rr_parent_child()
for rec in all_dns_rr_parent_child:
# Link up node
self.MainGraph.add_edge(rec['uuid_parent'], rec['uuid_child'])
# Plot all IP addresses
all_ips = self.get_ips()
for rec in all_ips:
# Plot all the nodes
if rec['version'] == "6":
self.MainGraph.add_node(rec['uuid_ip'], style='filled',
color='hotpink',
fontcolor='black',
label=rec['ip'] + "\n" + "version: " + rec['version'])
elif rec['version'] == "4":
self.MainGraph.add_node(rec['uuid_ip'], style='filled',
color='lightpink1',
fontcolor='black',
label=rec['ip'] + "\n" + "version: " + rec['version'])
# Attach the IP addresses to the DNS RR records with these values
for rec_rr in all_dns_rr:
for rec_ip in all_ips:
if rec_rr['value'] == rec_ip['ip']:
self.MainGraph.add_edge(rec_rr['uuid_rr'], rec_ip['uuid_ip'])
# Plot AS Number info
main_asn = []
all_asns = self.get_asns()
for rec in all_asns:
ll = []
ll.append("AS per CIDR\n")
if rec['asn'] is not None:
ll.append(rec['asn'])
ll.append("\n")
if rec['asn_description'] is not None:
ll.append(rec['asn_description'])
ll.append("\n")
if rec['asn_date'] is not None:
ll.append(rec['asn_date'])
ll.append("\n")
if rec['asn_cidr'] is not None:
ll.append(rec['asn_cidr'])
ll.append("\n")
label = ' '.join(ll)
self.MainGraph.add_node(rec['uuid_asn'], style='filled',
color='forestgreen',
fontcolor='white',
label=label)
# Check if exists first, if not - add
if not any(d.get('asn', None) == rec['asn'] for d in main_asn):
m_asn = {}
m_asn['uuid_main_asn'] = str(uuid.uuid4())
m_asn['asn'] = rec['asn']
m_asn['asn_description'] = rec['asn_description']
m_asn['asn_registry'] = rec['asn_registry']
m_asn['asn_country_code'] = rec['asn_country_code']
main_asn.append(m_asn)
# Attach the AS Number blobs (per CIDR) to the IP address
all_ip2asns = self.get_ip2asns()
for rec in all_ip2asns:
self.MainGraph.add_edge(rec['uuid_ip'], rec['uuid_asn'])
# Bonus - stitch ASN record blobs per CIDR to eac other per ASN
for ma in main_asn:
cidrs = []
for rec in all_asns:
if rec['asn'] == ma['asn']:
if 'asn_cidr' in rec and rec['asn_cidr'] is not None:
cidrs.append(rec['asn_cidr'])
llma = []
llma.append("ASN:\n")
if ma['asn'] is not None:
llma.append(ma['asn'])
llma.append("\n")
if ma['asn_description'] is not None:
llma.append(ma['asn_description'])
llma.append("\n")
if ma['asn_registry'] is not None:
llma.append(ma['asn_registry'])
llma.append("\n")
if ma['asn_country_code'] is not None:
llma.append(ma['asn_country_code'])
llma.append("\n")
label = ' '.join(llma)
for cidr in sorted(cidrs):
label = label + "\n" + cidr
self.MainGraph.add_node(ma['uuid_main_asn'], style='filled',
color='lawngreen',
fontcolor='black',
label=label)
# Consolidate the ASN numbers by their number
for rec in all_asns:
for ma in main_asn:
if rec['asn'] == ma['asn']:
self.MainGraph.add_edge(rec['uuid_asn'], ma['uuid_main_asn'])
# URL location
redir = self.get_redirects()
for rd in redir:
label = ''.join([rd['schema'],
rd['fqdn'], '\n',
'Location', '\n',
rd['location']
])
self.MainGraph.add_node(rd['uuid_redir'], style='filled',
color='purple',
fontcolor='white',
label=label)
links = self.get_dns_rr_by_fqdn(rd['fqdn'])
for l in links:
self.MainGraph.add_edge(l['uuid_rr'], rd['uuid_redir'])
# URL link fqdn to link
# fqdn2redirects = self.get_fqdn2redirects()
# for fr in fqdn2redirects:
# self.MainGraph.add_edge(fr['uuid_fqdn'], fr['uuid_redir'])
def draw_svg(self, destination):
# Init graphviz
self.MainGraph = AGraph(overlap=False,rankdir="LR")
# Plot the map
self.plot()
# Finish lay-out and write the graph
self.MainGraph.layout()
self.MainGraph.draw(destination, prog='dot')
def draw_txt(self, destination):
f = open(destination, "w")
all_dns_rr = self.get_dns_rr()
all_dns_rr_parent_child = self.get_dns_rr_parent_child()
for rec in all_dns_rr:
for rec_pc in all_dns_rr_parent_child:
if rec_pc['uuid_parent'] == self.uuid_hunt and rec['uuid_rr'] == rec_pc['uuid_child']:
f.write(''.join([self.base_fqdn, " (base2fqdn) ", rec['fqdn'], " {", rec['r_type'], "/", rec['value'], "}", "\n"]))
for rec in all_dns_rr:
f.write(''.join([rec['fqdn'], " (", rec['r_type'], ") ", rec['value'], "\n"]))
# IP to ASN
all_ips = self.get_ips()
all_ip2asns = self.get_ip2asns()
all_asns = self.get_asns()
for rec in all_asns:
llma = []
llma.append("ASN:")
if rec['asn'] is not None:
llma.append(rec['asn'])
if rec['asn_description'] is not None:
llma.append(rec['asn_description'])
if rec['asn_registry'] is not None:
llma.append(rec['asn_registry'])
if rec['asn_country_code'] is not None:
llma.append(rec['asn_country_code'])
label = ' '.join(llma)
for rec_ip in all_ips:
for ip2asn in all_ip2asns:
if ip2asn['uuid_ip'] == rec_ip['uuid_ip']:
if ip2asn['uuid_asn'] == rec['uuid_asn']:
f.write(''.join([rec_ip['ip'], " (ip2asn) ", label, "\n"]))
f.close()
# HACK: re-plot the CNAME linkage to all RR types not yet linked
# for rr in self.get_dns_rr():
# if rr['r_type'] == 'CNAME':
# for rr_inner in self.get_dns_rr():
# # Combine the CNAME value to whatever RR
# if rr['value'] == rr_inner['fqdn']:
# self.add_dns_rr_parent_child(rr['uuid_rr'], rr_inner['uuid_rr'])
### Functions
def analyse_record2(uuid_child, uuid_parent, k, key_type, val, val_type, status, reason, dt, last_key_is_fqdn):
try:
# Remember where we came from. Required for SPF1 and DMARC
if key_type == 'FQDN':
last_key_is_fqdn = k
if val_type == 'FQDN':
# Need to resolve this FQDN again, but with the current uuid_child as its parent
if w.count_fqdns_by_fqdn(val) == 0:
w.add_fqdn(val, uuid_child)
# Planned exit or stop condition
if (key_type == 'FQDN' and (val_type == 'CAA' or val_type == 'SOA')) or \
(key_type == 'DNS_R_TYPE' and val_type == 'SPF1'):
print ("analyse_record2", "Explicit final",
'key_type', key_type,
'key', k,
'val_type', val_type,
'value', val,
file=sys.stderr)
return
elif key_type == 'FQDN' and val_type == 'NS':
# The NS value is an FQDN per default
print ("analyse_record2", "debug", 'key_type', key_type, 'key', k,
'val_type', val_type, 'value', val,
file=sys.stderr)
if w.count_fqdns_by_fqdn(val) == 0:
w.add_fqdn(val, uuid_child)
return
elif key_type == 'FQDN' and val_type == 'CNAME':
print ("analyse_record2", "debug", 'key_type', key_type, 'key', k,
'val_type', val_type, 'value', val,
file=sys.stderr)
# Clean up the result by ditching the dot
cleaned_up_val = str(val)[:-1]
# Add to main resolve if it was never on the list.
if w.count_fqdns_by_fqdn(cleaned_up_val) == 0:
# Avoid endless loops - most often this is just True
if cleaned_up_val != k:
w.add_fqdn(cleaned_up_val, uuid_child)
# Add link to existing FQDNs
# First search for other records with this FQDN. Link with this, CNAME is the parent
#parent, child
res = w.get_dns_rr_by_fqdn(cleaned_up_val)
for rr in res:
print("CNAME link to DNS RR", rr['r_type'], rr['fqdn'], file=sys.stderr)
w.add_dns_rr_parent_child(uuid_child, rr['uuid_rr'])
elif key_type == 'FQDN' and val_type == 'MX':
print ("analyse_record2", "debug", 'key_type', key_type, 'key', k,
'val_type', val_type, 'value', val,
file=sys.stderr)
priority = val.split()[0]
exchange = val.split()[1][:-1]
if w.count_fqdns_by_fqdn(exchange) == 0:
w.add_fqdn(exchange, uuid_child)
elif key_type == 'SPF1' and val_type == "INCLUDE":
print ("analyse_record2", "debug", 'key_type', key_type, 'key', k,
'val_type', val_type, 'value', val,
file=sys.stderr)
if w.count_fqdns_by_fqdn(val) == 0:
w.add_fqdn(val, uuid_child)
elif val_type == 'TXT':
print ("analyse_record2", "debug", 'key_type', key_type, 'key', k,
'val_type', val_type, 'value', val,
file=sys.stderr)
clean_value = re.sub(r'^"|"$', '', str(val))
# TXT record is already stored, see what's in the TXT and that is
# your next child node
if clean_value.lower().startswith('v=spf1'):
# Found SPFv1 record
analyse_record2(uuid_child, uuid_parent,
val,
val_type,
clean_value,
"SPF1",
"ANALYSED", "", dt,
last_key_is_fqdn)
elif val_type == 'SPF1':
print ("analyse_record2", "debug", 'key_type', key_type, 'key', k,
'val_type', val_type, 'value', val,
file=sys.stderr)
for elem in val.split():
print(elem, file=sys.stderr)
# Found an A record in the SPF
if elem.upper() == 'A' or elem.upper() == 'AAAA':
print ("analyse_record2",
"undecided what to do to avoid an endless recursion",
'key_type', key_type,
'key', k,
'val_type', val_type,
'value', val,
'elem',
elem,
'last_key_is_fqdn',
last_key_is_fqdn,
file=sys.stderr)
# Continue analysing
analyse_record2(uuid_child, uuid_parent,
elem.upper(),
"DNS_R_TYPE",
val,
val_type,
"ANALYSED", "", dt,
last_key_is_fqdn)
# Found an INCLUDE statement in the SPF
if elem.lower().startswith('include:'):
# Continue analysing
analyse_record2(uuid_child, uuid_parent,
val,
val_type,
elem.split(':')[-1],
"INCLUDE",
"ANALYSED", "", dt,
last_key_is_fqdn)
# Found an IPv4 statement in the SPF
if elem.lower().startswith('ip4:'):
# Continue analysing
analyse_record2(uuid_child, uuid_parent,
val,
val_type,
elem.split(':')[-1],
"IPV4_CIDR",
"ANALYSED", "", dt,
last_key_is_fqdn)
# Found an IPv6 statement in the SPF
if elem.lower().startswith('ip6:'):
# Continue analysing
analyse_record2(uuid_child, uuid_parent,
val,
val_type,
elem.split(':')[-1],
"IPV6_CIDR",
"ANALYSED", "", dt,
last_key_is_fqdn)
# elif key_type == 'SPF1' and val_type == "DNS_R_TYPE":
# if val == 'A' or val == 'AAAA':
# analyse_record2(uuid_child, uuid_parent,
# val,
# val_type,
# last_key_is_fqdn,
# "FQDN",
# "ANALYSED", "", dt,
# last_key_is_fqdn)
# A, AAAA or results from SPF1 and other records with an IP address in it
### Error handling CIDR notation -
### elif val_type == 'A' or val_type == 'AAAA' or val_type == "IPV4_CIDR" or val_type == "IPV6_CIDR":
elif val_type == 'A' or val_type == 'AAAA':
print ("analyse_record2", "debug", 'key_type', key_type, 'key', k,
'val_type', val_type, 'value', val, file=sys.stderr)
# Currenct RR is uuid_child, which has an A result.
# This is stored already. Need to add the IP
# and bind the IP uuid to the RR uuid, which is the child_uuid
if w.count_ip_by_ip(val) == 0:
if val_type == 'A':
uuid_ip = w.add_ip(val, 4)
elif val_type == 'AAAA':
uuid_ip = w.add_ip(val, 6)
# The new IP needs an ASN resolve and IP to ASN attachment
# Take A or AAAA value to resolve as part of an AS plus AS info
asn_result = analyse_asn(val)
# The IP is now resolved to an ASN. Did we have this one from another ASN?
# If yes, get that one, if not, create a new one.
# Result is an uuid_asn
if w.count_asn_by_asn_and_asn_cidr(asn_result['asn'],
asn_result['asn_cidr']) == 0:
uuid_asn = w.add_asn(asn_result['asn'], asn_result['asn_description'],
asn_result['asn_date'], asn_result['asn_registry'],
asn_result['asn_country_code'], asn_result['asn_cidr'])
else:
rec_asn = w.get_asn_by_asn_and_asn_cidr(asn_result['asn'],
asn_result['asn_cidr'])
uuid_asn = rec_asn['uuid_asn']
# Combine this IP address with an the ASN per CIDR
w.add_ip2asn(uuid_ip, uuid_asn)
else:
rec_ip = w.get_ip_by_ip(val)
uuid_ip = rec_ip['ip']
# in all cases, uuid_ip is the new one or the existing one
w.add_dns_rr_to_ip(uuid_child, uuid_ip)
else:
print ("analyse_record2", "Final reached",
'key_type', key_type,
'key', k,
'val_type', val_type,
'value', val,
file=sys.stderr)
except Exception as inst: