I just came across this video (posted yesterday), where scammers are leveraging Microsoft’s legitimate support site at https://support.microsoft.com/help. This was after I received a fake Microsoft support call. Unfortunately, I didn’t have a dummy VM ready to waste their time, but glad I found out about the use of Microsoft’s site. Because Microsoft uses LogMeIn, their support site seems to just forward the code to LogMeIn to start the session.
See the video below for how the site is used: