A script to extract subdomains/emails for a given domain using SSL/TLS certificate dataset on Censys
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README.md

Censys Enumeration

  • A script to extract subdomains/emails for a given domain using SSL/TLS certificates dataset on Censys
  • The output is in JSON format

Demo

script-in-action

Screenshots

Non verbose mode

non-verbose

Verbose mode

verbose

Sample JSON output

non-verbose

3rd party package dependency

censys

click

Setup

  • Clone this repo
$ git clone git@github.com:yamakira/censys-enumeration.git
  • Install dependencies
$ pip install -r requirements.txt
  • Get Censys API ID and Censys API secret by creating a account on https://censys.io

  • Add Censys API ID and Censys API secret as CENSYS_API_ID & CENSYS_API_SECRET respectively to the OS environment variables. On Linux you can use a command similar to following to do this

$ export CENSYS_API_SECRET="iySd1n0l2JLnHTMisbFHzxClFuE0"
  • Check help menu
$ python censys_enumeration.py --help                                                                                                 
Usage: censys_enumeration.py [OPTIONS] FILE

Options:
  --verbose                       Verbose output
  --subdomains / --no-subdomains  Enable/Disable subdomain enumeration
  --emails / --no-emails          Enable/Disable email enumeration
  --help                          Show this message and exit.

Usage

  • Subdomain and email enumeration
$ python censys_enumeration.py domains.txt
  • Only subdomain enumeration
$ python censys_enumeration.py --no-emails domains.txt 
  • Only email enumeration
$ python censys_enumeration.py --no-sudomains domains.txt 
  • Verbose output
$ python censys_enumeration.py --verbose domains.txt 
  • Output to custom file

$ python censys_enumeration.py --verbose --outfile results.json domains.txt