secur32/LsaLookupAuthenticationPackage.ps1
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function LsaLookupAuthenticationPackage { <# .SYNOPSIS The LsaLookupAuthenticationPackage function obtains the unique identifier of an authentication package. .DESCRIPTION The authentication package identifier is used in calls to authentication functions such as LsaLogonUser and LsaCallAuthenticationPackage. .PARAMETER LsaHandle Handle obtained from a previous call to LsaRegisterLogonProcess or LsaConnectUntrusted. .PARAMETER PackageName Specifies the name of the authentication package. Supported packages are 'MSV1_0_PACKAGE_NAME', 'MICROSOFT_KERBEROS_NAME_A', 'NEGOSSP_NAME_A', and 'NTLMSP_NAME_A'. .NOTES Author: Jared Atkinson (@jaredcatkinson) License: BSD 3-Clause Required Function Dependencies: PSReflect, LsaNtStatusToWinError, LSA_STRING (Structure) Optional Dependencies: None (func secur32 LsaLookupAuthenticationPackage ([UInt32]) @( [IntPtr], #_In_ HANDLE LsaHandle, $LSA_UNICODE_STRING.MakeByRefType() #_In_ PLSA_STRING PackageName, [UInt64].MakeByRefType() #_Out_ PULONG AuthenticationPackage ) -EntryPoint LsaLookupAuthenticationPackage) .LINK https://msdn.microsoft.com/en-us/library/windows/desktop/aa378297(v=vs.85).aspx .EXAMPLE $hLsa = LsaConnectUntrusted LsaLookupAuthenticationPackage -LsaHandle $hLsa -PackageName MICROSOFT_KERBEROS_NAME_A 2 #> param ( [Parameter(Mandatory = $true)] [IntPtr] $LsaHandle, [Parameter(Mandatory = $true)] [ValidateSet('MSV1_0_PACKAGE_NAME', 'MICROSOFT_KERBEROS_NAME_A', 'NEGOSSP_NAME_A', 'NTLMSP_NAME_A')] [string] $PackageName ) switch($PackageName) { MSV1_0_PACKAGE_NAME {$authPackageName = 'NTLM'; break} MICROSOFT_KERBEROS_NAME_A {$authPackageName = 'Kerberos'; break} NEGOSSP_NAME_A {$authPackageName = 'Negotiate'; break} NTLMSP_NAME_A {$authPackageName = 'NTLM'; break} } $authPackageArray = [System.Text.Encoding]::ASCII.GetBytes($authPackageName) [int]$size = $authPackageArray.Length [IntPtr]$pnt = [System.Runtime.InteropServices.Marshal]::AllocHGlobal($size) [System.Runtime.InteropServices.Marshal]::Copy($authPackageArray, 0, $pnt, $authPackageArray.Length) $lsaString = [Activator]::CreateInstance($LSA_STRING) $lsaString.Length = [UInt16]$authPackageArray.Length $lsaString.MaximumLength = [UInt16]$authPackageArray.Length $lsaString.Buffer = $pnt $AuthenticationPackage = [UInt64]0 $SUCCESS = $Secur32::LsaLookupAuthenticationPackage($LsaHandle, [ref]$lsaString, [ref]$AuthenticationPackage) [System.Runtime.InteropServices.Marshal]::FreeHGlobal($pnt) if($SUCCESS -ne 0) { $WinErrorCode = LsaNtStatusToWinError -NtStatus $success $LastError = [ComponentModel.Win32Exception]$WinErrorCode throw "LsaLookupAuthenticationPackage Error: $($LastError.Message)" } Write-Output $AuthenticationPackage } |