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inSp3ctor.py
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inSp3ctor.py
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#!/usr/bin/env python
"""
_ ____ ____ __
(_)__ / __/__ |_ /____/ /____ ____
/ / _ \_\ \/ _ \_/_ </ __/ __/ _ \/ __/
/_/_//_/___/ .__/____/\__/\__/\___/_/
/_/
Created by Brian Warehime @nullsecure
08/10/2017
Tool to search for public bucket/objects for a given name.
Todo:
- Save results to disk
- Support for reading multiple root names
"""
import argparse
from bs4 import BeautifulSoup
from colorama import Fore, Back, Style
import os
import re
import requests
import sys
try:
from awsauth import S3Auth
except ImportError:
pass
from datetime import datetime
def parse_response(xml_response):
"""
Get the content of the HTML page for the bucket and return
the redirected page if given a 301 status
Args:
xml_response (str): The HTML content from an s3 bucket
Returns:
String of the redirected S3 bucket
"""
y = BeautifulSoup(xml_response, "html.parser")
return y.error.endpoint.string
def check_object_status(xml_response, site):
"""
Get the content of the HTML page for the bucket and return
the status of objects contained in the bucket
Args:
xml_response (str): The HTML content from an s3 bucket
site (str): URL of the s3 bucket
Returns:
Object status
"""
y = BeautifulSoup(xml_response, "html.parser")
object_keys = y.findAll('key')
for key in object_keys:
bucket_checker(site.rstrip() + "/" + key.get_text(), "Object")
def check_response(status_code, word, content, s3_type):
"""
Formats the response code based on status code returned
from s3 bucket, and changes color depending on the response.
Args:
status_code (int): The HTTP response code from the s3 bucket
word (str): The name of the s3 bucket to check
content (str): The HTML content from the s3 bucket
Returns:
None
"""
redirect = ''
if args.p:
if status_code == 200:
print(Back.GREEN + '[*] ' + s3_type + ' is public [' +
word.rstrip() + ']' + Style.RESET_ALL)
if args.o:
check_object_status(content, word)
else:
if status_code == 200:
print(Back.GREEN + '[*] ' + s3_type + ' is public [' +
word.rstrip() + ']' + Style.RESET_ALL)
if args.o:
check_object_status(content, word)
elif status_code == 403:
print(Back.YELLOW + '[!] ' + s3_type + ' is marked private [' +
word.rstrip() + ']' + Style.RESET_ALL)
elif status_code == 301:
redirect = parse_response(content)
print(Back.RED + '[>] ' + s3_type + ' has a redirect [' +
word.rstrip() + '] Redirected here - [' +
redirect + ']' + Style.RESET_ALL)
else:
print('[-] ' + s3_type + ' does not exist or cannot list [' +
word.rstrip() + ']')
if outfile:
write_header = False
if not os.path.isfile(outfile):
write_header = True
with open(outfile, 'a') as f:
if write_header:
f.write('status_code,url,bucket_type,redirected_url\n')
f.write(str(status_code) + ',' + str(word.encode('utf-8')) + ',' +
s3_type + ',' + redirect + "\n")
def print_header():
"""
Prints a formatted header
Args:
None
Returns:
None
"""
print(Style.RESET_ALL + Fore.WHITE + Back.BLUE)
print(" ".ljust(80))
print(" _ ____ ____ __ ".ljust(80))
print(" (_)__ / __/__ |_ /____/ /____ ____".ljust(80))
print(" / / _ \_\ \/ _ \_/_ </ __/ __/ _ \/ __/".ljust(80))
print("/_/_//_/___/ .__/____/\__/\__/\___/_/ ".ljust(80))
print(" /_/ ".ljust(80))
print(" ".ljust(80))
print(" AWS S3 Bucket Finder ".ljust(80))
print(" Brian Warehime @nullsecure".ljust(80))
print(" ".ljust(80) + Style.RESET_ALL)
print("")
def bucket_checker(word, s3_type):
"""
Grabs the response from the bucket and checks the response code
to determine if the bucket is public or private
Args:
word (str): The bucket name to check
Returns:
None
"""
if s3_type == "Object":
if args.a:
checker = requests.head(word.rstrip(), auth=S3Auth(ACCESS_KEY,
SECRET_KEY))
else:
checker = requests.head(word.rstrip())
if s3_type == "Bucket":
if args.a:
checker = requests.get(word.rstrip(), auth=S3Auth(ACCESS_KEY,
SECRET_KEY))
else:
checker = requests.get(word.rstrip())
check_response(checker.status_code, word, checker.content, s3_type)
def grab_wordlist(inputfile):
"""
Grabs each line of a given wordlist
Args:
inputfile (str): The name of the text file with bucket names
Returns:
None
"""
with open(inputfile) as f:
for line in f:
bucket_checker(line.rstrip(), "Bucket")
def add_permutations(word):
"""
Given a root word, append a permutation of common terms to view
if they are created or not.
Args:
word (str): The root word to append permutations to
Returns:
None
"""
# Check the base word too.
if len(word) < 64:
bucket_checker("http://" + word.rstrip() + ".s3.amazonaws.com", "Bucket")
bucket_checker("http://s3.amazonaws.com/" + word.rstrip(), "Bucket")
with open('permutations.txt') as f:
for line in f:
permutation = word.rstrip() + line.rstrip()
# Max lengthfor S3 Bucket names is 63 characters.
if len(permutation) < 64:
bucket_checker("http://" + permutation + ".s3.amazonaws.com",
"Bucket")
bucket_checker("http://s3.amazonaws.com/" + permutation,
"Bucket")
else:
print(Back.RED + '[!] ' + permutation + ' is ' + str(len(word))
+ 'characters. This an illegal length for a S3 Bucket.' +
Style.RESET_ALL)
def batch_checker(inputfile):
"""
Grabs each line of a given wordlist and run some local
permutations if the line contains whitespace or &'s.
Args:
inputfile (str): The name of the text file with bucket names
Returns:
None
"""
with open(inputfile) as f:
bad_chars = re.compile(r"[.*$<,>?!'()\"\\/]|[-+$]")
sub_chars = re.compile(r"[&\+]")
for word in f:
if bad_chars.search(word):
word = bad_chars.sub('', word)
if sub_chars.search(word):
# We could get away with having '_': {'and'} not being a set,
# but then we would have to run another check for if type(i)
# is set() and it would just add way more unnecessary code.
base_permutations = {
'-': {'and', '-'},
'_': {'and'},
'': {'and', ''}
}
# '+' can mean either 'and' or 'plus', account for both.
if '+' in word:
base_permutations.update({
'-': {'plus', '-'},
'_': {'plus'},
'': {'plus', ''}
})
words_run = []
for k, v in base_permutations.items():
for i in set(v):
word_fixed = re.sub(r"[^\S\n]+", str(k),
sub_chars.sub(str(i), word)).rstrip()
if '-+' in word_fixed:
word_fixed = re.sub('-+', '-', word_fixed)
if '---' in word_fixed:
word_fixed = re.sub('---', '-', word_fixed)
if 'and' not in i and word_fixed.endswith(i):
word_fixed = word_fixed.rstrip(i)
if word_fixed and word_fixed not in words_run:
add_permutations(word_fixed)
words_run.append(word_fixed)
elif re.search(r"[^\S\n]+", word):
base_permutations = ['-', '_', '']
for base_permutation in base_permutations:
word_fixed = re.sub(r"[^\S\n]+", str(base_permutation), word)
add_permutations(word_fixed)
else:
add_permutations(word)
if __name__ == '__main__':
print_header()
parser = argparse.ArgumentParser(description='AWS s3 Bucket Permutation Checker')
parser.add_argument('-w', help='Specify list of buckets to check from wordlist', metavar='wordlist', default='')
parser.add_argument('-n', help='Specify the root name to use, i.e. google, amazon', metavar='root', default='')
parser.add_argument('-o', help='Check objects in a public s3 bucket if they are available', action='store_true')
parser.add_argument('-c', help='Write results to csv', action='store_true')
parser.add_argument('-a', help='Use AWS Credentials to authenticate the request', action='store_true')
parser.add_argument('-p', help='Only show buckets/objects that are public in the results', action='store_true')
parser.add_argument('-b', help='Specify filename containing words to apply permutations to', metavar='batch', default='')
args = parser.parse_args()
outfile = ''
if args.a:
ACCESS_KEY = ''
SECRET_KEY = ''
if len(ACCESS_KEY) == 0:
print("[!] Need to supply ACCESS_KEY and SECRET_KEY in this file.")
sys.exit(1)
if not args.n and not args.w and not args.b:
print("[!] Need to specify root name to use")
parser.print_help()
sys.exit(1)
if args.w:
print("[!] Reading s3 bucket names from " + args.w)
if args.c:
outfile = str(os.path.splitext(os.path.basename(args.w))[0] + '-' +
datetime.now().strftime("%H-%M-%S") + ".csv")
grab_wordlist(args.w)
if args.n:
print("[!] Applying permutations to " + args.n)
if args.c:
outfile = str(args.n + '-' + datetime.now().strftime("%H-%M-%S") +
".csv")
add_permutations(args.n)
if args.b:
print("[!] Applying permutations to " + args.b)
if args.c:
outfile = str(os.path.splitext(os.path.basename(args.b))[0] + '-' +
datetime.now().strftime("%H-%M-%S") + ".csv")
batch_checker(args.b)