Mirroring on-premise SQL Server to AWS EC2 SQL Server
I know this is very old but yes I have this working. Ended up using mirroring due to company policy between SQL 2016 AWS and on premise SQL 2016 running on Vmware. 

Found this link very helpful.

https://tecadmin.net/setup-database-mirroring-sql-server/

I know not exactly what you were looking for but thought might help.