Test intrusion into a website

#1

I want to invade but I tried the way I know, but it is not successful, it have a waf (firewall)

我想入侵但是我尝试了我知道的办法,但是不成功,有waf(防火墙)

URL: http://moodle.hzcyzx.net
IP:115.236.175.189:80
Server:Apache/2.4.29 (Ubuntu)

Have an sql may be is MySQL
有个数据库,好像是MySQL

Can upload webshell but can’t connect, it can be compressed.
能上传webshell但是连不上,可以被压缩了。

#2

Have you tested available exploits for moodle already?

And can you paste the response you got while connecting to your shell?