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Merge pull request #160 from joncave/tokeninfo 

PowerUp: Allocate enough space for TOKEN_GROUPS
This commit is contained in:
HarmJ0y 2016-07-15 14:10:29 -07:00 committed by GitHub
parent 28d118f987 9d2b9d7631
commit e6391254d1
1 changed files with 5 additions and 6 deletions
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11
Privesc/PowerUp.ps1
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@ -974,17 +974,16 @@ function Get-CurrentUserTokenGroupSid {
$Success = $Advapi32::OpenProcessToken($CurrentProcess, $TOKEN_QUERY, [ref]$hProcToken);$LastError = [Runtime.InteropServices.Marshal]::GetLastWin32Error()
if($Success) {
$TokenGroupsPtrSize = $TOKEN_GROUPS::GetSize()
$TokenGroupsPtrSize = 0
# Initial query to determine the necessary buffer size
$Success = $Advapi32::GetTokenInformation($hProcToken, 2, 0, $TokenGroupsPtrSize, [ref]$TokenGroupsPtrSize)
[IntPtr]$TokenGroupsPtr = [System.Runtime.InteropServices.Marshal]::AllocHGlobal($TokenGroupsPtrSize)
[UInt32]$RealSize = 0
# query the current process token with the 'TokenGroups=2' TOKEN_INFORMATION_CLASS enum to retrieve a TOKEN_GROUPS structure
$Success2 = $Advapi32::GetTokenInformation($hProcToken, 2, $TokenGroupsPtr, $TokenGroupsPtrSize, [ref]$TokenGroupsPtrSize);$LastError = [Runtime.InteropServices.Marshal]::GetLastWin32Error()
$Success = $Advapi32::GetTokenInformation($hProcToken, 2, $TokenGroupsPtr, $TokenGroupsPtrSize, [ref]$TokenGroupsPtrSize);$LastError = [Runtime.InteropServices.Marshal]::GetLastWin32Error()
if($Success2) {
if($Success) {
$TokenGroups = $TokenGroupsPtr -as $TOKEN_GROUPS