Not sure exactly what you are after, but would stunnel4 do? You can use it to hide SSH with SSL and then use SNI so that a specific website name is SSH and others something else. You can probably do it with Apache or NGINX to if there is real websites too.
Client wise, just normal ssh, but with a custom config for that host with:
Hey do you know of a good ssh client? I’d like to spoof SNI using one but I don’t know how it is done with ssh/ssl
Not sure exactly what you are after, but would stunnel4 do? You can use it to hide SSH with SSL and then use SNI so that a specific website name is SSH and others something else. You can probably do it with Apache or NGINX to if there is real websites too.
Client wise, just normal ssh, but with a custom config for that host with:
ProxyCommand openssl s_client -connect %h:%p
Edit: NGINX : http://nginx.org/en/docs/stream/ngx_stream_ssl_preread_module.html
Edit: Apache : https://trofi.github.io/posts/295-ssh-over-https.html