Awesome Open Source
Awesome Open Source

CloudFail

CloudFail is a tactical reconnaissance tool which aims to gather enough information about a target protected by Cloudflare in the hopes of discovering the location of the server. Using Tor to mask all requests, the tool as of right now has 3 different attack phases.

  1. Misconfigured DNS scan using DNSDumpster.com.
  2. Scan the Crimeflare.com database.
  3. Bruteforce scan over 2500 subdomains.

Example usage

Please feel free to contribute to this project. If you have an idea or improvement issue a pull request!

Disclaimer

This tool is a PoC (Proof of Concept) and does not guarantee results. It is possible to setup Cloudflare properly so that the IP is never released or logged anywhere; this is not often the case and hence why this tool exists. This tool is only for academic purposes and testing under controlled environments. Do not use without obtaining proper authorization from the network owner of the network under testing. The author bears no responsibility for any misuse of the tool.

Install on Kali/Debian

First we need to install pip3 for python3 dependencies:

$ sudo apt-get install python3-pip

Then we can run through dependency checks:

$ pip3 install -r requirements.txt

If this fails because of missing setuptools, do this:

sudo apt-get install python3-setuptools

Usage

To run a scan against a target:

python3 cloudfail.py --target seo.com

To run a scan against a target using Tor:

service tor start

(or if you are using Windows or Mac install vidalia or just run the Tor browser)

python3 cloudfail.py --target seo.com --tor

Please make sure you are running with Python3 and not Python2.*.

Dependencies

Python3

  • argparse
  • colorama
  • socket
  • binascii
  • datetime
  • requests
  • win_inet_pton
  • dnspython

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