mdaxfr/mdaxfr.py

136 lines
5.2 KiB
Python

#!/usr/bin/env python
# Mass DNS AXFR - developed by acidvegas in python (https://git.acid.vegas/mdaxfr)
import logging
import os
import random
import urllib.request
try:
import dns.rdatatype
import dns.query
import dns.zone
import dns.resolver
except ImportError:
raise SystemExit('missing required \'dnspython\' module (pip install dnspython)')
def attempt_axfr(tld: str, nameserver: str, filename: str):
'''
Perform a DNS zone transfer on a target domain.
:param target: The target domain to perform the zone transfer on.
:param nameserver: The nameserver to perform the zone transfer on.
:param filename: The filename to store the zone transfer results in.
'''
temp_file = filename + '.temp'
if not (nameserver := resolve_nameserver(nameserver)):
logging.error(f'Failed to resolve nameserver {nameserver}: {ex}')
else:
for ns in nameserver: # Let's try all the IP addresses for the nameserver
try:
with open(temp_file, 'w') as file:
xfr = dns.query.xfr(nameserver.address, tld+'.', lifetime=300)
for msg in xfr:
for rrset in msg.answer:
for rdata in rrset:
file.write(f'{rrset.name}.{tld} {rrset.ttl} {rdata}\n')
os.rename(temp_file, filename)
except Exception as ex:
if os.path.exists(temp_file):
os.remove(temp_file)
logging.error(f'Failed to perform zone transfer from {nameserver.address} for {tld}: {ex}')
def get_root_nameservers() -> list:
'''Generate a list of the root nameservers.'''
root_ns_records = dns.resolver.resolve('.', 'NS', lifetime=15)
root_servers = [str(rr.target)[:-1] for rr in root_ns_records]
return root_servers
def get_root_tlds() -> list:
'''Get the root TLDs from IANA.'''
tlds = urllib.request.urlopen('https://data.iana.org/TLD/tlds-alpha-by-domain.txt').read().decode('utf-8').lower().split('\n')[1:]
random.shuffle(tlds)
return tlds
def get_tld_nameservers(tld: str) -> list:
'''Get the nameservers for a TLD.'''
try:
return [str(nameserver) for nameserver in dns.resolver.resolve(tld+'.', 'NS', lifetime=60)]
except dns.exception.Timeout:
logging.warning(f"Timeout fetching nameservers for TLD: {tld}")
except dns.resolver.NoNameservers:
logging.warning(f"No nameservers found for TLD: {tld}")
return []
def get_psl_tlds() -> list:
'''Download the Public Suffix List and return its contents.'''
data = urllib.request.urlopen('https://publicsuffix.org/list/public_suffix_list.dat').read().decode()
domains = []
for line in data.split('\n'):
if line.startswith('//') or not line:
continue
if '*' in line or '!' in line:
continue
if '.' not in line:
continue
domains.append(line)
return domains
def resolve_nameserver(nameserver: str) -> str:
'''
Resolve a nameserver to its IP address.
:param nameserver: The nameserver to resolve.
'''
data = []
for version in ('A', 'AAAA'):
try:
data += [ip.address for ip in dns.resolver.resolve(nameserver, version, lifetime=60)]
except:
pass
return data
if __name__ == '__main__':
import argparse
import concurrent.futures
parser = argparse.ArgumentParser(description='Mass DNS AXFR')
parser.add_argument('-c', '--concurrency', type=int, default=30, help='maximum concurrent tasks')
parser.add_argument('-o', '--output', default='axfrout', help='output directory')
parser.add_argument('-t', '--timeout', type=int, default=30, help='DNS timeout (default: 30)')
args = parser.parse_args()
os.makedirs(args.output, exist_ok=True)
dns.resolver._DEFAULT_TIMEOUT = args.timeout
with concurrent.futures.ThreadPoolExecutor(max_workers=args.concurrency) as executor:
futures = [executor.submit(attempt_axfr, '', root, os.path.join(args.output, root + '.txt')) for root in get_root_nameservers()]
for future in concurrent.futures.as_completed(futures):
try:
future.result()
except Exception as e:
logging.error(f'Error in root server task: {e}')
with concurrent.futures.ThreadPoolExecutor(max_workers=args.concurrency) as executor:
futures = [executor.submit(attempt_axfr, tld, ns, os.path.join(args.output, tld + '.txt')) for tld in get_root_tlds() for ns in get_tld_nameservers(tld) if ns]
for future in concurrent.futures.as_completed(futures):
try:
future.result()
except Exception as e:
logging.error(f'Error in TLD task: {e}')
with concurrent.futures.ThreadPoolExecutor(max_workers=args.concurrency) as executor:
futures = [executor.submit(attempt_axfr, tld, ns, os.path.join(args.output, tld + '.txt')) for tld in get_psl_tlds() for ns in get_tld_nameservers(tld) if ns]
for future in concurrent.futures.as_completed(futures):
try:
future.result()
except Exception as e:
logging.error(f'Error in TLD task: {e}')