diff --git a/README.md b/README.md
@@ -2,8 +2,6 @@
PTRStream is an asynchronous reverse DNS lookup tool developed in Python. It generates random IP addresses and performs reverse DNS lookups using various DNS servers.
-
-
## Requirements
- [python](https://www.python.org/)
- [aiodns](https://pypi.org/project/aiodns/) *(pip install aiodns)*
diff --git a/ptrstream.py b/ptrstream.py
@@ -4,6 +4,7 @@
import argparse
import asyncio
import ipaddress
+import os
import random
import time
import urllib.request
@@ -23,7 +24,6 @@ class colors:
reset = '\033[0m'
separator = '\033[90m'
-dns_resolvers = []
def get_dns_servers() -> list:
'''Get a list of DNS servers to use for lookups.'''
@@ -31,13 +31,13 @@ def get_dns_servers() -> list:
results = source.read().decode().split('\n')
return [server for server in results if ':' not in server]
+
async def rdns(semaphore: asyncio.Semaphore, ip_address: str, resolver: aiodns.DNSResolver):
'''
Perform a reverse DNS lookup on an IP address.
- :param ip_address: The IP address to lookup.
- :param resolver: The DNS resolver to use for lookups.
- :param semaphore: A semaphore to limit the number of concurrent lookups.
+ :param semaphore: The semaphore to use for concurrency.
+ :param ip_address: The IP address to perform a reverse DNS lookup on.
'''
async with semaphore:
reverse_name = ipaddress.ip_address(ip_address).reverse_pointer
@@ -47,6 +47,7 @@ async def rdns(semaphore: asyncio.Semaphore, ip_address: str, resolver: aiodns.D
except:
return ip_address, None
+
def rig(seed: int) -> str:
'''
Random IP generator.
@@ -60,22 +61,58 @@ def rig(seed: int) -> str:
ip = ipaddress.ip_address(shuffled_index)
yield str(ip)
-async def main():
- '''Generate random IPs and perform reverse DNS lookups.'''
+def fancy_print(ip: str, result: str):
+ '''
+ Print the IP address and PTR record in a fancy way.
+
+ :param ip: The IP address.
+ :param result: The PTR record.
+ '''
+ if result in ('127.0.0.1', 'localhost'):
+ print(f'{colors.ip}{ip.ljust(15)}{colors.reset} {colors.separator}-> {result}{colors.reset}')
+ else:
+ if ip in result:
+ result = result.replace(ip, f'{colors.ip_match}{ip}{colors.ptr}')
+ elif (daship := ip.replace('.', '-')) in result:
+ result = result.replace(daship, f'{colors.ip_match}{daship}{colors.ptr}')
+ elif (revip := '.'.join(ip.split('.')[::-1])) in result:
+ result = result.replace(revip, f'{colors.ip_match}{revip}{colors.ptr}')
+ elif result.endswith('.gov') or result.endswith('.mil'):
+ result = result.replace('.gov', f'{colors.spooky}.gov{colors.reset}')
+ result = result.replace('.mil', f'{colors.spooky}.mil{colors.reset}')
+ elif '.gov.' in result or '.mil.' in result:
+ result = result.replace('.gov.', f'{colors.spooky}.gov.{colors.ptr}')
+ result = result.replace('.mil.', f'{colors.spooky}.mil.{colors.ptr}')
+ print(f'{colors.ip}{ip.ljust(15)}{colors.reset} {colors.separator}->{colors.reset} {colors.ptr}{result}{colors.reset}')
+
+
+async def main(args: argparse.Namespace):
+ '''
+ Generate random IPs and perform reverse DNS lookups.
+
+ :param args: The command-line arguments.
+ '''
+ if args.resolvers:
+ if os.path.exists(args.resolvers):
+ with open(args.resolvers) as file:
+ dns_resolvers = [item.strip() for item in file.read().splitlines()]
+ else:
+ raise FileNotFoundError(f'could not find file \'{args.resolvers}\'')
+ else:
+ dns_resolvers = get_dns_servers()
+ dns_resolvers = random.shuffle(dns_resolvers)
+
+ resolver = aiodns.DNSResolver(nameservers=dns_resolvers, timeout=args.timeout, tries=args.retries, rotate=True)
semaphore = asyncio.Semaphore(args.concurrency)
+
tasks = []
results_cache = []
- global dns_resolvers
- if not dns_resolvers:
- dns_resolvers = [aiodns.DNSResolver(nameservers=[server], rotate=False, timeout=args.timeout) for server in get_dns_servers()[:args.concurrency]]
-
seed = random.randint(10**9, 10**10 - 1)
ip_generator = rig(seed)
for ip in ip_generator:
if len(tasks) < args.concurrency:
- resolver = random.choice(dns_resolvers)
task = asyncio.create_task(rdns(semaphore, ip, resolver))
tasks.append(task)
else:
@@ -84,27 +121,7 @@ async def main():
for task in done:
ip, result = task.result()
if result:
- if result in ('127.0.0.1', 'localhost'):
- print(f'{colors.ip}{ip.ljust(15)}{colors.reset} {colors.separator}-> {result}{colors.reset}')
- elif ip in result:
- result = result.replace(ip, f'{colors.ip_match}{ip}{colors.ptr}')
- elif (daship := ip.replace('.', '-')) in result:
- change = result.replace(daship, f'{colors.ip_match}{daship}{colors.ptr}')
- print(f'{colors.ip}{ip.ljust(15)}{colors.reset} {colors.separator}->{colors.reset} {colors.ptr}{change}{colors.reset}')
- elif (revip := '.'.join(ip.split('.')[::-1])) in result:
- change = result.replace(revip, f'{colors.ip_match}{revip}{colors.ptr}')
- print(f'{colors.ip}{ip.ljust(15)}{colors.reset} {colors.separator}->{colors.reset} {colors.ptr}{change}{colors.reset}')
- elif result.endswith('.gov') or result.endswith('.mil'):
- change = result.replace('.gov', f'{colors.spooky}.gov{colors.reset}')
- change = change.replace('.mil', f'{colors.spooky}.mil{colors.reset}')
- print(f'{colors.ip}{ip.ljust(15)}{colors.reset} {colors.separator}->{colors.reset} {colors.ptr}{result}{colors.reset}')
- elif '.gov.' in result or '.mil.' in result:
- change = result.replace('.gov.', f'{colors.spooky}.gov.{colors.ptr}')
- change = change.replace('.mil.', f'{colors.spooky}.mil.{colors.ptr}')
- print(f'{colors.ip}{ip.ljust(15)}{colors.reset} {colors.separator}->{colors.reset} {colors.ptr}{result}{colors.reset}')
- else:
- print(f'{colors.ip}{ip.ljust(15)}{colors.reset} {colors.separator}->{colors.reset} {colors.ptr}{result}{colors.reset}')
-
+ fancy_print(ip, result)
results_cache.append(f'{ip}:{result}')
if len(results_cache) >= 1000:
stamp = time.strftime('%Y%m%d')
@@ -119,6 +136,7 @@ if __name__ == '__main__':
parser.add_argument('-c', '--concurrency', type=int, default=50, help='Control the speed of lookups.')
parser.add_argument('-t', '--timeout', type=int, default=5, help='Timeout for DNS lookups.')
parser.add_argument('-r', '--resolvers', type=str, help='File containing DNS servers to use for lookups.')
+ parser.add_argument('-rt', '--retries', type=int, default=3, help='Number of times to retry a DNS lookup.')
args = parser.parse_args()
- asyncio.run(main())
+ asyncio.run(main(args))
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