Empire/data/module_source/persistence/Get-SecurityPackages.ps1

132 lines
5.2 KiB
PowerShell

function Get-SecurityPackages
{
<#
.SYNOPSIS
Enumerates all loaded security packages (SSPs).
Author: Matthew Graeber (@mattifestation)
License: BSD 3-Clause
Required Dependencies: None
Optional Dependencies: None
.DESCRIPTION
Get-SecurityPackages is a wrapper for secur32!EnumerateSecurityPackages.
It also parses the returned SecPkgInfo struct array.
.EXAMPLE
Get-SecurityPackages
#>
[CmdletBinding()] Param()
#region P/Invoke declarations for secur32.dll
$DynAssembly = New-Object System.Reflection.AssemblyName('SSPI')
$AssemblyBuilder = [AppDomain]::CurrentDomain.DefineDynamicAssembly($DynAssembly, [Reflection.Emit.AssemblyBuilderAccess]::Run)
$ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('SSPI', $False)
$FlagsConstructor = [FlagsAttribute].GetConstructor(@())
$FlagsCustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($FlagsConstructor, @())
$StructAttributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit'
$EnumBuilder = $ModuleBuilder.DefineEnum('SSPI.SECPKG_FLAG', 'Public', [Int32])
$EnumBuilder.SetCustomAttribute($FlagsCustomAttribute)
$null = $EnumBuilder.DefineLiteral('INTEGRITY', 1)
$null = $EnumBuilder.DefineLiteral('PRIVACY', 2)
$null = $EnumBuilder.DefineLiteral('TOKEN_ONLY', 4)
$null = $EnumBuilder.DefineLiteral('DATAGRAM', 8)
$null = $EnumBuilder.DefineLiteral('CONNECTION', 0x10)
$null = $EnumBuilder.DefineLiteral('MULTI_REQUIRED', 0x20)
$null = $EnumBuilder.DefineLiteral('CLIENT_ONLY', 0x40)
$null = $EnumBuilder.DefineLiteral('EXTENDED_ERROR', 0x80)
$null = $EnumBuilder.DefineLiteral('IMPERSONATION', 0x100)
$null = $EnumBuilder.DefineLiteral('ACCEPT_WIN32_NAME', 0x200)
$null = $EnumBuilder.DefineLiteral('STREAM', 0x400)
$null = $EnumBuilder.DefineLiteral('NEGOTIABLE', 0x800)
$null = $EnumBuilder.DefineLiteral('GSS_COMPATIBLE', 0x1000)
$null = $EnumBuilder.DefineLiteral('LOGON', 0x2000)
$null = $EnumBuilder.DefineLiteral('ASCII_BUFFERS', 0x4000)
$null = $EnumBuilder.DefineLiteral('FRAGMENT', 0x8000)
$null = $EnumBuilder.DefineLiteral('MUTUAL_AUTH', 0x10000)
$null = $EnumBuilder.DefineLiteral('DELEGATION', 0x20000)
$null = $EnumBuilder.DefineLiteral('READONLY_WITH_CHECKSUM', 0x40000)
$null = $EnumBuilder.DefineLiteral('RESTRICTED_TOKENS', 0x80000)
$null = $EnumBuilder.DefineLiteral('NEGO_EXTENDER', 0x100000)
$null = $EnumBuilder.DefineLiteral('NEGOTIABLE2', 0x200000)
$null = $EnumBuilder.DefineLiteral('APPCONTAINER_PASSTHROUGH', 0x400000)
$null = $EnumBuilder.DefineLiteral('APPCONTAINER_CHECKS', 0x800000)
$SECPKG_FLAG = $EnumBuilder.CreateType()
$TypeBuilder = $ModuleBuilder.DefineType('SSPI.SecPkgInfo', $StructAttributes, [Object], [Reflection.Emit.PackingSize]::Size8)
$null = $TypeBuilder.DefineField('fCapabilities', $SECPKG_FLAG, 'Public')
$null = $TypeBuilder.DefineField('wVersion', [Int16], 'Public')
$null = $TypeBuilder.DefineField('wRPCID', [Int16], 'Public')
$null = $TypeBuilder.DefineField('cbMaxToken', [Int32], 'Public')
$null = $TypeBuilder.DefineField('Name', [IntPtr], 'Public')
$null = $TypeBuilder.DefineField('Comment', [IntPtr], 'Public')
$SecPkgInfo = $TypeBuilder.CreateType()
$TypeBuilder = $ModuleBuilder.DefineType('SSPI.Secur32', 'Public, Class')
$PInvokeMethod = $TypeBuilder.DefinePInvokeMethod('EnumerateSecurityPackages',
'secur32.dll',
'Public, Static',
[Reflection.CallingConventions]::Standard,
[Int32],
[Type[]] @([Int32].MakeByRefType(),
[IntPtr].MakeByRefType()),
[Runtime.InteropServices.CallingConvention]::Winapi,
[Runtime.InteropServices.CharSet]::Ansi)
$Secur32 = $TypeBuilder.CreateType()
$PackageCount = 0
$PackageArrayPtr = [IntPtr]::Zero
$Result = $Secur32::EnumerateSecurityPackages([Ref] $PackageCount, [Ref] $PackageArrayPtr)
if ($Result -ne 0)
{
throw "Unable to enumerate seucrity packages. Error (0x$($Result.ToString('X8')))"
}
if ($PackageCount -eq 0)
{
Write-Verbose 'There are no installed security packages.'
return
}
$StructAddress = $PackageArrayPtr
foreach ($i in 1..$PackageCount)
{
$SecPackageStruct = [Runtime.InteropServices.Marshal]::PtrToStructure($StructAddress, [Type] $SecPkgInfo)
$StructAddress = [IntPtr] ($StructAddress.ToInt64() + [Runtime.InteropServices.Marshal]::SizeOf([Type] $SecPkgInfo))
$Name = $null
if ($SecPackageStruct.Name -ne [IntPtr]::Zero)
{
$Name = [Runtime.InteropServices.Marshal]::PtrToStringAnsi($SecPackageStruct.Name)
}
$Comment = $null
if ($SecPackageStruct.Comment -ne [IntPtr]::Zero)
{
$Comment = [Runtime.InteropServices.Marshal]::PtrToStringAnsi($SecPackageStruct.Comment)
}
$Attributes = @{
Name = $Name
Comment = $Comment
Capabilities = $SecPackageStruct.fCapabilities
MaxTokenSize = $SecPackageStruct.cbMaxToken
}
$SecPackage = New-Object PSObject -Property $Attributes
$SecPackage.PSObject.TypeNames[0] = 'SECUR32.SECPKGINFO'
$SecPackage
}
}