LyncSniper is a tool for penetration testing Lync and Skype for Business deployments hosted either on premise or in Office 365.
For more information on LyncSniper, check out this blog post.
At present, LyncSniper allows password spraying and bruteforcing of Lync and Skype for Business deployments.
LyncSniper was developed by @domchell of the MDSec ActiveBreach team.