Latest

Adds the autodiscover (thanks @singe)

This attempts to reveal the autodiscover URL and will tell you if the domain is a valid tenant on Office 365 or not.

Usage:

./ruler --domain targetdomain.com autodiscover
[+] Looks like the autodiscover service is at: https://autodiscover.targetdomain.com/autodiscover/autodiscover.xml 
[+] Checking if domain is hosted on Office 365
[+] Domain is hosted on Office 365