From 3ddebcecd6d39600ced4c8d792ae3341c30960d0 Mon Sep 17 00:00:00 2001 From: N7WEra <59871507+N7WEra@users.noreply.github.com> Date: Tue, 19 Apr 2022 13:54:24 +0300 Subject: [PATCH 01/12] Added another response to the firebase (#49) Response code of 423 is for "The Firebase database 'REDACTED' has been deactivated.' error code --- enum_tools/gcp_checks.py | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/enum_tools/gcp_checks.py b/enum_tools/gcp_checks.py index a3115b7..a95aae3 100644 --- a/enum_tools/gcp_checks.py +++ b/enum_tools/gcp_checks.py @@ -101,6 +101,11 @@ def print_fbrtdb_response(reply): data['target'] = reply.url data['access'] = 'disabled' utils.fmt_output(data) + elif reply.status_code == 423: + data['msg'] = 'The Firebase database has been deactivated.' + data['target'] = reply.url + data['access'] = 'disabled' + utils.fmt_output(data) else: print(f" Unknown status codes being received from {reply.url}:\n" " {reply.status_code}: {reply.reason}") From b53135f0000e5b2e0a03807ed75fbdc2f8236e54 Mon Sep 17 00:00:00 2001 From: David McDuffie Date: Fri, 24 Jun 2022 03:33:04 -0400 Subject: [PATCH 02/12] Update gcp_checks.py (#53) Google Cloud Functions check did not correctly compile the candidates list; each instance of region from the respective config file list would overwrite the last, so only the last region listed was being used. Fix initializes candidates list and changes the replace to an append. --- enum_tools/gcp_checks.py | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/enum_tools/gcp_checks.py b/enum_tools/gcp_checks.py index a95aae3..4f9ce93 100644 --- a/enum_tools/gcp_checks.py +++ b/enum_tools/gcp_checks.py @@ -273,14 +273,17 @@ def check_functions(names, brute_list, quickscan, threads): # Start a counter to report on elapsed time start_time = utils.start_timer() + # Initialize the list of correctly formatted urls + candidates = [] + # Pull the regions from a config file regions = gcp_regions.REGIONS print(f"[*] Testing across {len(regions)} regions defined in the config file") + # Take each mutated keyword craft a url with the correct format for region in regions: - # Initialize the list of initial URLs to check - candidates = [region + '-' + name + '.' + FUNC_URL for name in names] + candidates += [region + '-' + name + '.' + FUNC_URL for name in names] # Send the valid names to the batch HTTP processor utils.get_url_batch(candidates, use_ssl=False, From d775b25cae08ab76ce7aadc62b7365949aefd6da Mon Sep 17 00:00:00 2001 From: initstring <26131150+initstring@users.noreply.github.com> Date: Fri, 24 Jun 2022 17:40:39 +1000 Subject: [PATCH 03/12] Migrate to MIT license (#54) --- LICENSE | 695 ++------------------------------------------------------ 1 file changed, 21 insertions(+), 674 deletions(-) diff --git a/LICENSE b/LICENSE index f288702..bf2564e 100644 --- a/LICENSE +++ b/LICENSE @@ -1,674 +1,21 @@ - GNU GENERAL PUBLIC LICENSE - Version 3, 29 June 2007 - - Copyright (C) 2007 Free Software Foundation, Inc. - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The GNU General Public License is a free, copyleft license for -software and other kinds of works. - - The licenses for most software and other practical works are designed -to take away your freedom to share and change the works. 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If not, see . - -Also add information on how to contact you by electronic and paper mail. - - If the program does terminal interaction, make it output a short -notice like this when it starts in an interactive mode: - - Copyright (C) - This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. - This is free software, and you are welcome to redistribute it - under certain conditions; type `show c' for details. - -The hypothetical commands `show w' and `show c' should show the appropriate -parts of the General Public License. Of course, your program's commands -might be different; for a GUI interface, you would use an "about box". - - You should also get your employer (if you work as a programmer) or school, -if any, to sign a "copyright disclaimer" for the program, if necessary. -For more information on this, and how to apply and follow the GNU GPL, see -. - - The GNU General Public License does not permit incorporating your program -into proprietary programs. If your program is a subroutine library, you -may consider it more useful to permit linking proprietary applications with -the library. If this is what you want to do, use the GNU Lesser General -Public License instead of this License. But first, please read -. +MIT License + +Copyright (c) 2022 initstring + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. From bf2dd2577269e4f69149ad7980bdb9f8094bf9c5 Mon Sep 17 00:00:00 2001 From: six2dez Date: Sun, 26 Jun 2022 00:42:47 +0200 Subject: [PATCH 04/12] Added firebaseapp.com checks (#52) * Update gcp_checks.py * Update gcp_checks.py * Update README.md --- README.md | 1 + enum_tools/gcp_checks.py | 49 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+) diff --git a/README.md b/README.md index e78a796..c859cd4 100644 --- a/README.md +++ b/README.md @@ -19,6 +19,7 @@ Currently enumerates the following: - Open / Protected Firebase Realtime Databases - Google App Engine sites - Cloud Functions (enumerates project/regions with existing functions, then brute forces actual function names) +- Open Firebase Apps See it in action in [Codingo](https://github.com/codingo)'s video demo [here](https://www.youtube.com/embed/pTUDJhWJ1m0). diff --git a/enum_tools/gcp_checks.py b/enum_tools/gcp_checks.py index 4f9ce93..b31c2ca 100644 --- a/enum_tools/gcp_checks.py +++ b/enum_tools/gcp_checks.py @@ -17,6 +17,7 @@ FBRTDB_URL = 'firebaseio.com' APPSPOT_URL = 'appspot.com' FUNC_URL = 'cloudfunctions.net' +FBAPP_URL = 'firebaseapp.com' # Hacky, I know. Used to store project/region combos that report at least # one cloud function, to brute force later on @@ -138,7 +139,55 @@ def check_fbrtdb(names, threads): # Stop the time utils.stop_timer(start_time) + + +def print_fbapp_response(reply): + """ + Parses the HTTP reply of a brute-force attempt + + This function is passed into the class object so we can view results + in real-time. + """ + data = {'platform': 'gcp', 'msg': '', 'target': '', 'access': ''} + + if reply.status_code == 404: + pass + elif reply.status_code == 200: + data['msg'] = 'OPEN GOOGLE FIREBASE APP' + data['target'] = reply.url + data['access'] = 'public' + utils.fmt_output(data) + else: + print(f" Unknown status codes being received from {reply.url}:\n" + " {reply.status_code}: {reply.reason}") + +def check_fbapp(names, threads): + """ + Checks for Google Firebase Applications + """ + print("[+] Checking for Google Firebase Applications") + + # Start a counter to report on elapsed time + start_time = utils.start_timer() + + # Initialize the list of correctly formatted urls + candidates = [] + + # Take each mutated keyword craft a url with the correct format + for name in names: + # Firebase App names cannot include a period. We'll exlcude + # those from the global candidates list + if '.' not in name: + candidates.append(f'{name}.{FBAPP_URL}') + + # Send the valid names to the batch HTTP processor + utils.get_url_batch(candidates, use_ssl=True, + callback=print_fbapp_response, + threads=threads, + redir=False) + # Stop the time + utils.stop_timer(start_time) def print_appspot_response(reply): """ From 349269a5060781e441cae6fae46208ed08ddc722 Mon Sep 17 00:00:00 2001 From: JamesConlan96 <10931523+JamesConlan96@users.noreply.github.com> Date: Mon, 31 Jul 2023 08:27:37 +0100 Subject: [PATCH 05/12] Create setup.py (#57) --- setup.py | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 setup.py diff --git a/setup.py b/setup.py new file mode 100644 index 0000000..b48da54 --- /dev/null +++ b/setup.py @@ -0,0 +1,26 @@ +from setuptools import setup + +setup( + name='cloud_enum', + description='Multi-cloud OSINT tool. Enumerate public resources in AWS, Azure, and Google Cloud.', + author='initstring', + url='https://github.com/initstring/cloud_enum', + license='MIT', + packages=[ + 'enum_tools' + ], + py_modules=[ + 'cloud_enum' + ], + install_requires=[ + 'dnspython', + 'requests', + 'requests_futures' + ], + python_requires='>=3.0.0', + entry_points={ + 'console_scripts': [ + 'cloud_enum = cloud_enum:main' + ] + } +) From 3f44476d1493f62d6e0ac419984fdcafe4b773e5 Mon Sep 17 00:00:00 2001 From: initstring <26131150+initstring@users.noreply.github.com> Date: Tue, 10 Oct 2023 16:32:45 +1000 Subject: [PATCH 06/12] Limit payloads to 63 characters (#62) * Limit payloads to 63 characters * Add DNS name validation --- cloud_enum.py | 22 +++++++++++++++------- enum_tools/utils.py | 24 ++++++++++++++++++++++++ 2 files changed, 39 insertions(+), 7 deletions(-) diff --git a/cloud_enum.py b/cloud_enum.py index e1c60a4..f30935c 100755 --- a/cloud_enum.py +++ b/cloud_enum.py @@ -182,6 +182,14 @@ def clean_text(text): return text_clean +def append_name(name, names_list): + """ + Ensure strings stick to DNS label limit of 63 characters + """ + if len(name) <= 63: + names_list.append(name) + + def build_names(base_list, mutations): """ Combine base and mutations for processing by individual modules. @@ -193,21 +201,21 @@ def build_names(base_list, mutations): base = clean_text(base) # First, include with no mutations - names.append(base) + append_name(base, names) for mutation in mutations: # Clean mutation mutation = clean_text(mutation) # Then, do appends - names.append(f"{base}{mutation}") - names.append(f"{base}.{mutation}") - names.append(f"{base}-{mutation}") + append_name(f"{base}{mutation}", names) + append_name(f"{base}.{mutation}", names) + append_name(f"{base}-{mutation}", names) # Then, do prepends - names.append(f"{mutation}{base}") - names.append(f"{mutation}.{base}") - names.append(f"{mutation}-{base}") + append_name(f"{mutation}{base}", names) + append_name(f"{mutation}.{base}", names) + append_name(f"{mutation}-{base}", names) print(f"[+] Mutated results: {len(names)} items") diff --git a/enum_tools/utils.py b/enum_tools/utils.py index 4834355..386a033 100644 --- a/enum_tools/utils.py +++ b/enum_tools/utils.py @@ -10,6 +10,7 @@ import json from multiprocessing.dummy import Pool as ThreadPool from functools import partial +from urllib.parse import urlparse try: import requests import dns @@ -41,6 +42,23 @@ def init_logfile(logfile, fmt): log_writer.write(f"\n\n#### CLOUD_ENUM {now} ####\n") +def is_valid_domain(domain): + """ + Checks if the domain has a valid format and length + """ + # Check for domain total length + if len(domain) > 253: # According to DNS specifications + return False + + # Check each label in the domain + for label in domain.split('.'): + # Each label should be between 1 and 63 characters long + if not (1 <= len(label) <= 63): + return False + + return True + + def get_url_batch(url_list, use_ssl=False, callback='', threads=5, redir=True): """ Processes a list of URLs, sending the results back to the calling @@ -52,6 +70,9 @@ def get_url_batch(url_list, use_ssl=False, callback='', threads=5, redir=True): tick['total'] = len(url_list) tick['current'] = 0 + # Filter out invalid URLs + url_list = [url for url in url_list if is_valid_domain(url)] + # Break the url list into smaller lists based on thread size queue = [url_list[x:x+threads] for x in range(0, len(url_list), threads)] @@ -149,6 +170,9 @@ def fast_dns_lookup(names, nameserver, callback='', threads=5): print(f"[*] Brute-forcing a list of {total} possible DNS names") + # Filter out invalid domains + names = [name for name in names if is_valid_domain(name)] + # Break the url list into smaller lists based on thread size queue = [names[x:x+threads] for x in range(0, len(names), threads)] From 0e54b48c7d9567e55b554e4065982d722de640e7 Mon Sep 17 00:00:00 2001 From: six2dez Date: Fri, 29 Mar 2024 09:44:27 +0100 Subject: [PATCH 07/12] Small gift :) nameserverfile + more Azure objects + fuzzing list improved (#65) * PR with multiple additions :) * Removed debugging thingies * Fix var not defined * bug fix brute_force_containers --- cloud_enum.py | 16 ++- enum_tools/aws_checks.py | 6 +- enum_tools/azure_checks.py | 242 ++++++++++++++++++++++++++++++++++--- enum_tools/fuzz.txt | 70 ++++++++++- enum_tools/utils.py | 43 ++++++- 5 files changed, 349 insertions(+), 28 deletions(-) diff --git a/cloud_enum.py b/cloud_enum.py index f30935c..cb63f58 100755 --- a/cloud_enum.py +++ b/cloud_enum.py @@ -65,7 +65,8 @@ def parse_arguments(): parser.add_argument('-ns', '--nameserver', type=str, action='store', default='8.8.8.8', help='DNS server to use in brute-force.') - + parser.add_argument('-nsf', '--nameserverfile', type=str, + help='Path to the file containing nameserver IPs') parser.add_argument('-l', '--logfile', type=str, action='store', help='Appends found items to specified file.') parser.add_argument('-f', '--format', type=str, action='store', @@ -221,6 +222,19 @@ def build_names(base_list, mutations): return names +def read_nameservers(file_path): + try: + with open(file_path, 'r') as file: + nameservers = [line.strip() for line in file if line.strip()] + if not nameservers: + raise ValueError("Nameserver file is empty") + return nameservers + except FileNotFoundError: + print(f"Error: File '{file_path}' not found.") + exit(1) + except ValueError as e: + print(e) + exit(1) def main(): """ diff --git a/enum_tools/aws_checks.py b/enum_tools/aws_checks.py index cf681a6..de8b10e 100644 --- a/enum_tools/aws_checks.py +++ b/enum_tools/aws_checks.py @@ -98,7 +98,7 @@ def check_s3_buckets(names, threads): utils.stop_timer(start_time) -def check_awsapps(names, threads, nameserver): +def check_awsapps(names, threads, nameserver, nameserverfile=False): """ Checks for existence of AWS Apps (ie. WorkDocs, WorkMail, Connect, etc.) @@ -122,7 +122,7 @@ def check_awsapps(names, threads, nameserver): # AWS Apps use DNS sub-domains. First, see which are valid. valid_names = utils.fast_dns_lookup(candidates, nameserver, - threads=threads) + nameserverfile, threads=threads) for name in valid_names: data['target'] = f'https://{name}' @@ -143,4 +143,4 @@ def run_all(names, args): # if not regions: # regions = AWS_REGIONS check_s3_buckets(names, args.threads) - check_awsapps(names, args.threads, args.nameserver) + check_awsapps(names, args.threads, args.nameserver, args.nameserverfile) diff --git a/enum_tools/azure_checks.py b/enum_tools/azure_checks.py index de5fda9..87b325b 100644 --- a/enum_tools/azure_checks.py +++ b/enum_tools/azure_checks.py @@ -16,6 +16,11 @@ # Known Azure domain names BLOB_URL = 'blob.core.windows.net' +FILE_URL= 'file.core.windows.net' +QUEUE_URL = 'queue.core.windows.net' +TABLE_URL = 'table.core.windows.net' +MGMT_URL = 'scm.azurewebsites.net' +VAULT_URL = 'vault.azure.net' WEBAPP_URL = 'azurewebsites.net' DATABASE_URL = 'database.windows.net' @@ -33,34 +38,37 @@ def print_account_response(reply): """ data = {'platform': 'azure', 'msg': '', 'target': '', 'access': ''} - if reply.status_code == 404: + if reply.status_code == 404 or 'The requested URI does not represent' in reply.reason: pass elif 'Server failed to authenticate the request' in reply.reason: - data['msg'] = 'Auth-Only Storage Account' + data['msg'] = 'Auth-Only Account' data['target'] = reply.url data['access'] = 'protected' utils.fmt_output(data) elif 'The specified account is disabled' in reply.reason: - data['msg'] = 'Disabled Storage Account' + data['msg'] = 'Disabled Account' data['target'] = reply.url data['access'] = 'disabled' utils.fmt_output(data) elif 'Value for one of the query' in reply.reason: - data['msg'] = 'HTTP-OK Storage Account' + data['msg'] = 'HTTP-OK Account' data['target'] = reply.url data['access'] = 'public' utils.fmt_output(data) elif 'The account being accessed' in reply.reason: - data['msg'] = 'HTTPS-Only Storage Account' + data['msg'] = 'HTTPS-Only Account' data['target'] = reply.url data['access'] = 'public' utils.fmt_output(data) + elif 'Unauthorized' in reply.reason: + data['msg'] = 'Unathorized Account' + data['target'] = reply.url + data['access'] = 'public' else: - print(" Unknown status codes being received from {reply.url}:\n" - " {reply.status_code}: {reply.reason}") - + print(" Unknown status codes being received from " + reply.url +":\n" + " "+ str(reply.status_code)+" : "+ reply.reason) -def check_storage_accounts(names, threads, nameserver): +def check_storage_accounts(names, threads, nameserver, nameserverfile=False): """ Checks storage account names """ @@ -85,7 +93,197 @@ def check_storage_accounts(names, threads, nameserver): # Azure Storage Accounts use DNS sub-domains. First, see which are valid. valid_names = utils.fast_dns_lookup(candidates, nameserver, - threads=threads) + nameserverfile, threads=threads) + + # Send the valid names to the batch HTTP processor + utils.get_url_batch(valid_names, use_ssl=False, + callback=print_account_response, + threads=threads) + + # Stop the timer + utils.stop_timer(start_time) + + # de-dupe the results and return + return list(set(valid_names)) + +def check_file_accounts(names, threads, nameserver, nameserverfile=False): + """ + Checks File account names + """ + print("[+] Checking for Azure File Accounts") + + # Start a counter to report on elapsed time + start_time = utils.start_timer() + + # Initialize the list of domain names to look up + candidates = [] + + # Initialize the list of valid hostnames + valid_names = [] + + # Take each mutated keyword craft a domain name to lookup. + # As Azure Storage Accounts can contain only letters and numbers, + # discard those not matching to save time on the DNS lookups. + regex = re.compile('[^a-zA-Z0-9]') + for name in names: + if not re.search(regex, name): + candidates.append(f'{name}.{FILE_URL}') + + # Azure Storage Accounts use DNS sub-domains. First, see which are valid. + valid_names = utils.fast_dns_lookup(candidates, nameserver, + nameserverfile, threads=threads) + + # Send the valid names to the batch HTTP processor + utils.get_url_batch(valid_names, use_ssl=False, + callback=print_account_response, + threads=threads) + + # Stop the timer + utils.stop_timer(start_time) + + # de-dupe the results and return + return list(set(valid_names)) + +def check_queue_accounts(names, threads, nameserver, nameserverfile=False): + """ + Checks Queue account names + """ + print("[+] Checking for Azure Queue Accounts") + + # Start a counter to report on elapsed time + start_time = utils.start_timer() + + # Initialize the list of domain names to look up + candidates = [] + + # Initialize the list of valid hostnames + valid_names = [] + + # Take each mutated keyword craft a domain name to lookup. + # As Azure Storage Accounts can contain only letters and numbers, + # discard those not matching to save time on the DNS lookups. + regex = re.compile('[^a-zA-Z0-9]') + for name in names: + if not re.search(regex, name): + candidates.append(f'{name}.{QUEUE_URL}') + + # Azure Storage Accounts use DNS sub-domains. First, see which are valid. + valid_names = utils.fast_dns_lookup(candidates, nameserver, + nameserverfile, threads=threads) + + # Send the valid names to the batch HTTP processor + utils.get_url_batch(valid_names, use_ssl=False, + callback=print_account_response, + threads=threads) + + # Stop the timer + utils.stop_timer(start_time) + + # de-dupe the results and return + return list(set(valid_names)) + +def check_table_accounts(names, threads, nameserver, nameserverfile=False): + """ + Checks Table account names + """ + print("[+] Checking for Azure Table Accounts") + + # Start a counter to report on elapsed time + start_time = utils.start_timer() + + # Initialize the list of domain names to look up + candidates = [] + + # Initialize the list of valid hostnames + valid_names = [] + + # Take each mutated keyword craft a domain name to lookup. + # As Azure Storage Accounts can contain only letters and numbers, + # discard those not matching to save time on the DNS lookups. + regex = re.compile('[^a-zA-Z0-9]') + for name in names: + if not re.search(regex, name): + candidates.append(f'{name}.{TABLE_URL}') + + # Azure Storage Accounts use DNS sub-domains. First, see which are valid. + valid_names = utils.fast_dns_lookup(candidates, nameserver, + nameserverfile, threads=threads) + + # Send the valid names to the batch HTTP processor + utils.get_url_batch(valid_names, use_ssl=False, + callback=print_account_response, + threads=threads) + + # Stop the timer + utils.stop_timer(start_time) + + # de-dupe the results and return + return list(set(valid_names)) + +def check_mgmt_accounts(names, threads, nameserver, nameserverfile=False): + """ + Checks App Management account names + """ + print("[+] Checking for Azure App Management Accounts") + + # Start a counter to report on elapsed time + start_time = utils.start_timer() + + # Initialize the list of domain names to look up + candidates = [] + + # Initialize the list of valid hostnames + valid_names = [] + + # Take each mutated keyword craft a domain name to lookup. + # As Azure Storage Accounts can contain only letters and numbers, + # discard those not matching to save time on the DNS lookups. + regex = re.compile('[^a-zA-Z0-9]') + for name in names: + if not re.search(regex, name): + candidates.append(f'{name}.{MGMT_URL}') + + # Azure Storage Accounts use DNS sub-domains. First, see which are valid. + valid_names = utils.fast_dns_lookup(candidates, nameserver, + nameserverfile, threads=threads) + + # Send the valid names to the batch HTTP processor + utils.get_url_batch(valid_names, use_ssl=False, + callback=print_account_response, + threads=threads) + + # Stop the timer + utils.stop_timer(start_time) + + # de-dupe the results and return + return list(set(valid_names)) + +def check_vault_accounts(names, threads, nameserver, nameserverfile=False): + """ + Checks Key Vault account names + """ + print("[+] Checking for Azure Key Vault Accounts") + + # Start a counter to report on elapsed time + start_time = utils.start_timer() + + # Initialize the list of domain names to look up + candidates = [] + + # Initialize the list of valid hostnames + valid_names = [] + + # Take each mutated keyword craft a domain name to lookup. + # As Azure Storage Accounts can contain only letters and numbers, + # discard those not matching to save time on the DNS lookups. + regex = re.compile('[^a-zA-Z0-9]') + for name in names: + if not re.search(regex, name): + candidates.append(f'{name}.{VAULT_URL}') + + # Azure Storage Accounts use DNS sub-domains. First, see which are valid. + valid_names = utils.fast_dns_lookup(candidates, nameserver, + nameserverfile, threads=threads) # Send the valid names to the batch HTTP processor utils.get_url_batch(valid_names, use_ssl=False, @@ -211,7 +409,7 @@ def print_website_response(hostname): utils.fmt_output(data) -def check_azure_websites(names, nameserver, threads): +def check_azure_websites(names, nameserver, threads, nameserverfile=False): """ Checks for Azure Websites (PaaS) """ @@ -225,6 +423,7 @@ def check_azure_websites(names, nameserver, threads): # Azure Websites use DNS sub-domains. If it resolves, it is registered. utils.fast_dns_lookup(candidates, nameserver, + nameserverfile, callback=print_website_response, threads=threads) @@ -245,12 +444,11 @@ def print_database_response(hostname): utils.fmt_output(data) -def check_azure_databases(names, nameserver, threads): +def check_azure_databases(names, nameserver, threads, nameserverfile=False): """ Checks for Azure Databases """ print("[+] Checking for Azure Databases") - # Start a counter to report on elapsed time start_time = utils.start_timer() @@ -259,6 +457,7 @@ def check_azure_databases(names, nameserver, threads): # Azure databases use DNS sub-domains. If it resolves, it is registered. utils.fast_dns_lookup(candidates, nameserver, + nameserverfile, callback=print_database_response, threads=threads) @@ -279,7 +478,7 @@ def print_vm_response(hostname): utils.fmt_output(data) -def check_azure_vms(names, nameserver, threads): +def check_azure_vms(names, nameserver, threads, nameserverfile=False): """ Checks for Azure Virtual Machines """ @@ -300,6 +499,7 @@ def check_azure_vms(names, nameserver, threads): # Azure VMs use DNS sub-domains. If it resolves, it is registered. utils.fast_dns_lookup(candidates, nameserver, + nameserverfile, callback=print_vm_response, threads=threads) @@ -314,10 +514,16 @@ def run_all(names, args): print(BANNER) valid_accounts = check_storage_accounts(names, args.threads, - args.nameserver) + args.nameserver, args.nameserverfile) if valid_accounts and not args.quickscan: brute_force_containers(valid_accounts, args.brute, args.threads) - check_azure_websites(names, args.nameserver, args.threads) - check_azure_databases(names, args.nameserver, args.threads) - check_azure_vms(names, args.nameserver, args.threads) + check_file_accounts(names, args.threads, args.nameserver, args.nameserverfile) + check_queue_accounts(names, args.threads, args.nameserver, args.nameserverfile) + check_table_accounts(names, args.threads, args.nameserver, args.nameserverfile) + check_mgmt_accounts(names, args.threads, args.nameserver, args.nameserverfile) + check_vault_accounts(names, args.threads, args.nameserver, args.nameserverfile) + + check_azure_websites(names, args.nameserver, args.threads, args.nameserverfile) + check_azure_databases(names, args.nameserver, args.threads, args.nameserverfile) + check_azure_vms(names, args.nameserver, args.threads, args.nameserverfile) diff --git a/enum_tools/fuzz.txt b/enum_tools/fuzz.txt index ae5766b..1d131cc 100644 --- a/enum_tools/fuzz.txt +++ b/enum_tools/fuzz.txt @@ -7,6 +7,8 @@ 03 1 2 +2014 +2015 2016 2017 2018 @@ -14,6 +16,9 @@ 2020 2021 2022 +2023 +2024 +2025 3 4 5 @@ -21,6 +26,9 @@ 7 8 9 +access-logs +access.logs +accounting admin administrator ae @@ -36,9 +44,16 @@ appspot.com archive artifacts assets +attachments audit audit-logs aws +aws-billing +aws-logs +aws.billing +aws.logs +azure +azure-logs backup backups bak @@ -56,7 +71,11 @@ builds cache cdn ce +central +centralus cf +chef +client cloud cloudfunction club @@ -67,6 +86,10 @@ common composer compute computeengine +conf +confidential +config +configuration consultants contact container @@ -74,13 +97,19 @@ content core corp corporate +customer data +data-private +data-public +data.private +data.public database dataflow dataproc datastore db debug +demo dev developer developers @@ -88,6 +117,7 @@ development devops directory discount +dist dl dns docker @@ -101,10 +131,13 @@ emails endpoints es events +exe export files fileshare +filestorage filestore +finance firebase firestore functions @@ -121,19 +154,29 @@ graphql gs gw help -iaas +hidden +hr hub +iaas iam images img infra internal +internal-dist +internal-repo internal-tools +internal.dist +internal.repo ios iot +it +jenkins jira js k8s +key +keys kube kubeengine kubernetes @@ -153,13 +196,16 @@ mercurial ml mobile monitoring +my mysql net +northcentralus ops oracle org -packages paas +packages +panel passwords photos pics @@ -171,7 +217,10 @@ presentations preview private pro +processed prod +product +productcontent production products project @@ -183,6 +232,7 @@ qa repo reports resources +root rtdb s3 saas @@ -193,10 +243,12 @@ secret secrets secure security +service services share shared shop +site sitemaps slack snapshots @@ -205,18 +257,21 @@ source-code spanner splunk sql +sql-logs src +ssh stackdriver stage staging static stats storage +storageaccount store subversion support -svn svc +svn syslog tasks teamcity @@ -224,13 +279,19 @@ temp templates terraform test +themes tmp +tmp-logs +tmp.logs trace traffic training travis troposphere uploads +useast +useast2 +userfiles userpictures users ux @@ -238,5 +299,8 @@ videos vm web website +westcentralus +westus +westus2 wp www diff --git a/enum_tools/utils.py b/enum_tools/utils.py index 386a033..66e5f6e 100644 --- a/enum_tools/utils.py +++ b/enum_tools/utils.py @@ -8,6 +8,7 @@ import re import csv import json +import ipaddress from multiprocessing.dummy import Pool as ThreadPool from functools import partial from urllib.parse import urlparse @@ -131,15 +132,48 @@ def get_url_batch(url_list, use_ssl=False, callback='', threads=5, redir=True): # Clear the status message sys.stdout.write(' \r') +def read_nameservers(file_path): + """ + Reads nameservers from a given file. + Each line in the file should contain one nameserver IP address. + Lines starting with '#' will be ignored as comments. + """ + try: + with open(file_path, 'r') as file: + nameservers = [line.strip() for line in file if line.strip() and not line.startswith('#')] + if not nameservers: + raise ValueError("Nameserver file is empty or only contains comments") + return nameservers + except FileNotFoundError: + print(f"Error: File '{file_path}' not found.") + exit(1) + except ValueError as e: + print(e) + exit(1) + +def is_valid_ip(address): + try: + ipaddress.ip_address(address) + return True + except ValueError: + return False def dns_lookup(nameserver, name): """ This function performs the actual DNS lookup when called in a threadpool by the fast_dns_lookup function. """ + nameserverfile = False + if not is_valid_ip(nameserver): + nameserverfile = nameserver + res = dns.resolver.Resolver() res.timeout = 10 - res.nameservers = [nameserver] + if nameserverfile: + nameservers = read_nameservers(nameserverfile) + res.nameservers = nameservers + else: + res.nameservers = [nameserver] try: res.query(name) @@ -160,7 +194,7 @@ def dns_lookup(nameserver, name): return '' -def fast_dns_lookup(names, nameserver, callback='', threads=5): +def fast_dns_lookup(names, nameserver, nameserverfile, callback='', threads=5): """ Helper function to resolve DNS names. Uses multithreading. """ @@ -181,7 +215,10 @@ def fast_dns_lookup(names, nameserver, callback='', threads=5): # Because pool.map takes only a single function arg, we need to # define this partial so that each iteration uses the same ns - dns_lookup_params = partial(dns_lookup, nameserver) + if nameserverfile: + dns_lookup_params = partial(dns_lookup, nameserverfile) + else: + dns_lookup_params = partial(dns_lookup, nameserver) results = pool.map(dns_lookup_params, batch) From c890cb04a87cfd3a9ac7f41563aa5dd069b7e640 Mon Sep 17 00:00:00 2001 From: initstring <26131150+initstring@users.noreply.github.com> Date: Tue, 9 Jul 2024 17:33:13 +1000 Subject: [PATCH 08/12] Update README with project status (#74) --- README.md | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) diff --git a/README.md b/README.md index c859cd4..e1cf54f 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,21 @@ # cloud_enum + +## Future of cloud_enum + +I built this tool in 2019 for a pentest involving Azure, as no other enumeration tools supported it at the time. It grew from there, and I learned a lot while adding features. + +Building tools is fun, but maintaining tools is hard. I haven't actively used this tool myself in a while, but I've done my best to fix bugs and review pull requests. + +Moving forward, it makes sense to consolidate this functionality into a well-maintained project that handles the essentials (web/dns requests, threading, I/O, logging, etc.). [Nuclei](https://github.com/projectdiscovery/nuclei) is really well suited for this. You can see my first PR to migrate cloud_enum functionality to Nuclei [here](https://github.com/projectdiscovery/nuclei-templates/pull/6865). + +I encourage others to contribute templates to Nuclei, allowing us to focus on detecting cloud resources while leaving the groundwork to Nuclei. + +I'll still try to review PRs here to address bugs as time permits, but likely won't have time for major changes. + +Thanks to all the great contributors. Good luck with your recon! + +## Overview + Multi-cloud OSINT tool. Enumerate public resources in AWS, Azure, and Google Cloud. Currently enumerates the following: @@ -26,16 +43,16 @@ See it in action in [Codingo](https://github.com/codingo)'s video demo [here](ht -# Usage +## Usage -## Setup +### Setup Several non-standard libaries are required to support threaded HTTP requests and dns lookups. You'll need to install the requirements as follows: ```sh pip3 install -r ./requirements.txt ``` -## Running +### Running The only required argument is at least one keyword. You can use the built-in fuzzing strings, but you will get better results if you supply your own with `-m` and/or `-b`. You can provide multiple keywords by specifying the `-k` argument multiple times. @@ -86,6 +103,6 @@ optional arguments: -qs, --quickscan Disable all mutations and second-level scans ``` -# Thanks +## Thanks So far, I have borrowed from: - Some of the permutations from [GCPBucketBrute](https://github.com/RhinoSecurityLabs/GCPBucketBrute/blob/master/permutations.txt) From 3184e03b244e656bf61cce7833b7d28193ee8679 Mon Sep 17 00:00:00 2001 From: initstring <26131150+initstring@users.noreply.github.com> Date: Tue, 9 Jul 2024 17:50:14 +1000 Subject: [PATCH 09/12] Change default resolver to CF (#75) --- cloud_enum.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cloud_enum.py b/cloud_enum.py index cb63f58..8746d42 100755 --- a/cloud_enum.py +++ b/cloud_enum.py @@ -63,7 +63,7 @@ def parse_arguments(): ' Default = 5') parser.add_argument('-ns', '--nameserver', type=str, action='store', - default='8.8.8.8', + default='1.1.1.1', help='DNS server to use in brute-force.') parser.add_argument('-nsf', '--nameserverfile', type=str, help='Path to the file containing nameserver IPs') From d3c292c2068802fc851252629da0e9d8540cd232 Mon Sep 17 00:00:00 2001 From: Bryan McNulty Date: Thu, 10 Oct 2024 03:16:57 -0500 Subject: [PATCH 10/12] Fixed program not printing HTTP sites that return "Unauthorized" response (#76) --- enum_tools/azure_checks.py | 1 + 1 file changed, 1 insertion(+) diff --git a/enum_tools/azure_checks.py b/enum_tools/azure_checks.py index 87b325b..6ff47f9 100644 --- a/enum_tools/azure_checks.py +++ b/enum_tools/azure_checks.py @@ -64,6 +64,7 @@ def print_account_response(reply): data['msg'] = 'Unathorized Account' data['target'] = reply.url data['access'] = 'public' + utils.fmt_output(data) else: print(" Unknown status codes being received from " + reply.url +":\n" " "+ str(reply.status_code)+" : "+ reply.reason) From 13fefdb5b6f3f3d0e5d57bc5b85466927db7fee8 Mon Sep 17 00:00:00 2001 From: Luesewr <78808564+Luesewr@users.noreply.github.com> Date: Sat, 12 Jul 2025 05:36:35 +0200 Subject: [PATCH 11/12] Fix DNS Timeout messages with retry system (#80) --- enum_tools/utils.py | 40 ++++++++++++++++++++++------------------ 1 file changed, 22 insertions(+), 18 deletions(-) diff --git a/enum_tools/utils.py b/enum_tools/utils.py index 66e5f6e..b9f84b8 100644 --- a/enum_tools/utils.py +++ b/enum_tools/utils.py @@ -168,30 +168,34 @@ def dns_lookup(nameserver, name): nameserverfile = nameserver res = dns.resolver.Resolver() - res.timeout = 10 + res.timeout = 3 if nameserverfile: nameservers = read_nameservers(nameserverfile) res.nameservers = nameservers else: res.nameservers = [nameserver] - try: - res.query(name) - # If no exception is thrown, return the valid name - return name - except dns.resolver.NXDOMAIN: - return '' - except dns.resolver.NoNameservers as exc_text: - print(" [!] Error querying nameservers! This could be a problem.") - print(" [!] If you're using a VPN, try setting --ns to your VPN's nameserver.") - print(" [!] Bailing because you need to fix this") - print(" [!] More Info:") - print(exc_text) - return '-#BREAKOUT_DNS_ERROR#-' - except dns.exception.Timeout: - print(f" [!] DNS Timeout on {name}. Investigate if there are many" - " of these.") - return '' + tries = 0 + + while tries < 3: + try: + res.query(name) + # If no exception is thrown, return the valid name + return name + except dns.resolver.NXDOMAIN: + return '' + except dns.resolver.NoNameservers as exc_text: + print(" [!] Error querying nameservers! This could be a problem.") + print(" [!] If you're using a VPN, try setting --ns to your VPN's nameserver.") + print(" [!] Bailing because you need to fix this") + print(" [!] More Info:") + print(exc_text) + return '-#BREAKOUT_DNS_ERROR#-' + except dns.exception.Timeout: + tries += 1 + + print(f" [!] DNS lookup for {name} timed out after 3 tries. Investigate if there are many of these.") + return '' def fast_dns_lookup(names, nameserver, nameserverfile, callback='', threads=5): From 4e0fa84939226c2204be09af4924edb91fbff33e Mon Sep 17 00:00:00 2001 From: initstring <26131150+initstring@users.noreply.github.com> Date: Thu, 21 May 2026 17:06:52 +1000 Subject: [PATCH 12/12] Migrate to uv, drop setup.py, bump to v0.8 (#81) * Migrate to uv, drop setup.py, bump to v0.8 - Replace setup.py and requirements.txt with pyproject.toml - Pin dependencies to current releases (dnspython>=2.8.0, requests>=2.34.2, requests-futures>=1.0.2) - Add [build-system] table for Debian packaging compatibility - Update CI to use astral-sh/setup-uv@v6 and uv run - Add release.yml workflow to auto-tag/release on version bump - Slim down .gitignore with uv-specific entries (exclude uv.lock) - Update README setup instructions to use uv Co-Authored-By: Claude Sonnet 4.6 * Fix setuptools package discovery for manpage directory Explicitly set packages and py-modules to match old setup.py, preventing setuptools from erroring on the manpage/ directory during build. Co-Authored-By: Claude Sonnet 4.6 --------- Co-authored-by: Claude Sonnet 4.6 --- .github/workflows/python-app.yml | 31 +++------ .github/workflows/release.yml | 49 +++++++++++++++ .gitignore | 105 +++++-------------------------- README.md | 8 +-- pyproject.toml | 26 ++++++++ requirements.txt | 3 - setup.py | 26 -------- 7 files changed, 103 insertions(+), 145 deletions(-) create mode 100644 .github/workflows/release.yml create mode 100644 pyproject.toml delete mode 100644 requirements.txt delete mode 100644 setup.py diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml index 2e8690d..b90d369 100644 --- a/.github/workflows/python-app.yml +++ b/.github/workflows/python-app.yml @@ -1,6 +1,3 @@ -# This workflow will install Python dependencies, run tests and lint with a single version of Python -# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions - name: Python application on: @@ -13,27 +10,19 @@ permissions: contents: read jobs: - build: - + test: runs-on: ubuntu-latest steps: - - uses: actions/checkout@v3 - - name: Set up Python 3.10 - uses: actions/setup-python@v3 + - uses: actions/checkout@v4 + + - name: Install uv + uses: astral-sh/setup-uv@v6 with: - python-version: "3.10" + enable-cache: true + - name: Install dependencies - run: | - python -m pip install --upgrade pip - pip install flake8 pytest - if [ -f requirements.txt ]; then pip install -r requirements.txt; fi - - name: Lint with flake8 - run: | - # stop the build if there are Python syntax errors or undefined names - flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics - # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide - flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics + run: uv sync + - name: Test with pytest - run: | - pytest + run: uv run pytest diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml new file mode 100644 index 0000000..2f1cbf8 --- /dev/null +++ b/.github/workflows/release.yml @@ -0,0 +1,49 @@ +name: Release + +on: + push: + branches: [ master ] + +permissions: + contents: write + +jobs: + release: + runs-on: ubuntu-latest + + steps: + - uses: actions/checkout@v4 + with: + fetch-depth: 0 + + - name: Install uv + uses: astral-sh/setup-uv@v6 + with: + enable-cache: true + + - name: Read version from pyproject.toml + id: version + run: | + VERSION=$(grep '^version' pyproject.toml | head -1 | sed 's/version = "\(.*\)"/\1/') + echo "version=$VERSION" >> "$GITHUB_OUTPUT" + + - name: Check if tag already exists + id: tag_check + run: | + if git rev-parse "refs/tags/${{ steps.version.outputs.version }}" >/dev/null 2>&1; then + echo "exists=true" >> "$GITHUB_OUTPUT" + else + echo "exists=false" >> "$GITHUB_OUTPUT" + fi + + - name: Create tag and release + if: steps.tag_check.outputs.exists == 'false' + env: + GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} + run: | + VERSION="${{ steps.version.outputs.version }}" + git tag "$VERSION" + git push origin "$VERSION" + gh release create "$VERSION" \ + --title "Release $VERSION" \ + --generate-notes diff --git a/.gitignore b/.gitignore index da2f28d..0b72a6c 100644 --- a/.gitignore +++ b/.gitignore @@ -1,107 +1,30 @@ -# Byte-compiled / optimized / DLL files +# custom +cloud-enum-output + +# MacOS +.DS_Store + +# Python __pycache__/ *.py[cod] *$py.class - -# C extensions *.so - -# Distribution / packaging .Python build/ -develop-eggs/ dist/ -downloads/ -eggs/ -.eggs/ -lib/ -lib64/ -parts/ -sdist/ -var/ -wheels/ *.egg-info/ -.installed.cfg -*.egg -MANIFEST - -# PyInstaller -# Usually these files are written by a python script from a template -# before PyInstaller builds the exe, so as to inject date/other infos into it. -*.manifest -*.spec - -# Installer logs -pip-log.txt -pip-delete-this-directory.txt - -# Unit test / coverage reports -htmlcov/ -.tox/ +.pytest_cache/ .coverage .coverage.* -.cache -nosetests.xml coverage.xml -*.cover +htmlcov/ +.tox/ +.nox/ .hypothesis/ -.pytest_cache/ - -# Translations -*.mo -*.pot - -# Django stuff: -*.log -local_settings.py -db.sqlite3 - -# Flask stuff: -instance/ -.webassets-cache - -# Scrapy stuff: -.scrapy - -# Sphinx documentation -docs/_build/ - -# PyBuilder -target/ - -# Jupyter Notebook -.ipynb_checkpoints - -# pyenv -.python-version - -# celery beat schedule file -celerybeat-schedule - -# SageMath parsed files -*.sage.py - -# Environments -.env -.venv -env/ -venv/ -ENV/ -env.bak/ -venv.bak/ - -# Spyder project settings -.spyderproject -.spyproject - -# Rope project settings -.ropeproject - -# mkdocs documentation -/site -# mypy -.mypy_cache/ +# uv +.venv/ +uv.lock # vim swap files *.swp diff --git a/README.md b/README.md index e1cf54f..f548862 100644 --- a/README.md +++ b/README.md @@ -46,10 +46,10 @@ See it in action in [Codingo](https://github.com/codingo)'s video demo [here](ht ## Usage ### Setup -Several non-standard libaries are required to support threaded HTTP requests and dns lookups. You'll need to install the requirements as follows: +This project uses [uv](https://github.com/astral-sh/uv) for dependency management. Install uv, then run: ```sh -pip3 install -r ./requirements.txt +uv sync ``` ### Running @@ -62,13 +62,13 @@ Keywords are mutated automatically using strings from `enum_tools/fuzz.txt` or a Let's say you were researching "somecompany" whose website is "somecompany.io" that makes a product called "blockchaindoohickey". You could run the tool like this: ```sh -./cloud_enum.py -k somecompany -k somecompany.io -k blockchaindoohickey +uv run cloud_enum -k somecompany -k somecompany.io -k blockchaindoohickey ``` HTTP scraping and DNS lookups use 5 threads each by default. You can try increasing this, but eventually the cloud providers will rate limit you. Here is an example to increase to 10. ```sh -./cloud_enum.py -k keyword -t 10 +uv run cloud_enum -k keyword -t 10 ``` **IMPORTANT**: Some resources (Azure Containers, GCP Functions) are discovered per-region. To save time scanning, there is a "REGIONS" variable defined in `cloudenum/azure_regions.py and cloudenum/gcp_regions.py` that is set by default to use only 1 region. You may want to look at these files and edit them to be relevant to your own work. diff --git a/pyproject.toml b/pyproject.toml new file mode 100644 index 0000000..34cd28a --- /dev/null +++ b/pyproject.toml @@ -0,0 +1,26 @@ +[project] +name = "cloud_enum" +version = "0.8" +description = "Multi-cloud OSINT tool. Enumerate public resources in AWS, Azure, and Google Cloud." +requires-python = ">=3.10" +dependencies = [ + "dnspython>=2.8.0", + "requests>=2.34.2", + "requests-futures>=1.0.2", +] + +[project.scripts] +cloud_enum = "cloud_enum:main" + +[dependency-groups] +dev = [ + "pytest", +] + +[tool.setuptools] +py-modules = ["cloud_enum"] +packages = ["enum_tools"] + +[build-system] +requires = ["setuptools>=61"] +build-backend = "setuptools.build_meta" diff --git a/requirements.txt b/requirements.txt deleted file mode 100644 index 77b97fb..0000000 --- a/requirements.txt +++ /dev/null @@ -1,3 +0,0 @@ -dnspython -requests -requests_futures diff --git a/setup.py b/setup.py deleted file mode 100644 index b48da54..0000000 --- a/setup.py +++ /dev/null @@ -1,26 +0,0 @@ -from setuptools import setup - -setup( - name='cloud_enum', - description='Multi-cloud OSINT tool. Enumerate public resources in AWS, Azure, and Google Cloud.', - author='initstring', - url='https://github.com/initstring/cloud_enum', - license='MIT', - packages=[ - 'enum_tools' - ], - py_modules=[ - 'cloud_enum' - ], - install_requires=[ - 'dnspython', - 'requests', - 'requests_futures' - ], - python_requires='>=3.0.0', - entry_points={ - 'console_scripts': [ - 'cloud_enum = cloud_enum:main' - ] - } -)