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cloud_enum

Multi-cloud OSINT tool. Enumerate public resources in AWS, Azure, and Google Cloud.

Currently enumerates the following:

Amazon Web Services:

  • Open / Protected S3 Buckets
  • awsapps (WorkMail, WorkDocs, Connect, etc.)

Microsoft Azure:

  • Storage Accounts
  • Open Blob Storage Containers
  • Hosted Databases
  • Virtual Machines
  • Web Apps

Google Cloud Platform

  • Open / Protected GCP Buckets
  • Open / Protected Firebase Realtime Databases
  • Google App Engine sites
  • Cloud Functions (enumerates project/regions with existing functions, then brute forces actual function names)

See it in action in Codingo's video demo here.

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:

pip3 install -r ./requirements.txt

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.

Keywords are mutated automatically using strings from enum_tools/fuzz.txt or a file you provide with the -m flag. Services that require a second-level of brute forcing (Azure Containers and GCP Functions) will also use fuzz.txt by default or a file you provide with the -b flag.

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:

cloudenum.py -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.

cloudenum.py -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.

Complete Usage Details

usage: cloud_enum.py [-h] -k KEYWORD [-m MUTATIONS] [-b BRUTE]

Multi-cloud enumeration utility. All hail OSINT!

optional arguments:
  -h, --help            show this help message and exit
  -k KEYWORD, --keyword KEYWORD
                        Keyword. Can use argument multiple times.
  -kf KEYFILE, --keyfile KEYFILE
                        Input file with a single keyword per line.
  -m MUTATIONS, --mutations MUTATIONS
                        Mutations. Default: enum_tools/fuzz.txt
  -b BRUTE, --brute BRUTE
                        List to brute-force Azure container names. Default:
                        enum_tools/fuzz.txt
  -t THREADS, --threads THREADS
                        Threads for HTTP brute-force. Default = 5
  -ns NAMESERVER, --nameserver NAMESERVER
                        DNS server to use in brute-force.
  -l LOGFILE, --logfile LOGFILE
                        Will APPEND found items to specified file.
  --disable-aws         Disable Amazon checks.
  --disable-azure       Disable Azure checks.
  --disable-gcp         Disable Google checks.
  -qs, --quickscan      Disable all mutations and second-level scans

Thanks

So far, I have borrowed from:

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Multi-cloud OSINT tool. Enumerate public resources in AWS, Azure, and Google Cloud.

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