internal static MethodInfo FindReplacement(StackFrame frame)
{
var methodAddress = AccessTools.Field(typeof(StackFrame), "methodAddress");
if (methodAddress == null)
{
return(null);
}
var framePtr = (long)methodAddress.GetValue(frame);
return(WithState(() =>
{
return originals.Keys
.FirstOrDefault(replacement => DetourHelper.GetNativeStart(replacement).ToInt64() == framePtr);
}));
}
public static void Start()
{
ModuleDefMD sampleCode = ModuleDefMD.Load(@"C:\Users\colton\source\repos\PackerTest\PackerTest\bin\Debug\PackerTest.exe");
// ModuleDefMD thisAssembly = ModuleDefMD.Load(System.Reflection.Assembly.GetExecutingAssembly().Location);
var program = sampleCode.Types.Single(x => x.Name == "Program").Methods.Single(x => x.Name == "Main");
var validate = sampleCode.Types.Single(x => x.Name == "PersonValidator").Methods.Single(x => x.Name == "Validate");
var callInstructions = program.FindAllCallInstructions();
foreach (var instruction in callInstructions)
{
try
{
if ((MethodDef)instruction.Operand == validate)
{
Console.WriteLine(instruction.ToString());
}
}
catch (Exception ex)
{
// Console.WriteLine(instruction.ToString() + "DID NOT WORK!! EXCEPTION - " + ex.Message);
}
}
CompiletimeObfuscater.ObfuscateMethodCalls(validate, 30, new List <ModuleDefMD> {
sampleCode
});
// validate.GetCalls(new List<ModuleDefMD>() { sampleCode});
var detourSource = sampleCode.Types.Single(x => x.Name == "PersonValidator").Methods.Single(x => x.Name == "DetourExample");
var emptyMethod = sampleCode.Types.Single(x => x.Name == "PersonValidator").Methods.Single(x => x.Name == "EmptyMethod");
DetourHelper.CompiletimeDetour(validate, detourSource);
CompiletimePatcher.CreateMethodRestore(validate, detourSource, sampleCode);
if (Process.GetProcessesByName("Obfuscated").Count() == 0)
{
Console.WriteLine("Saving");
sampleCode.Write(@"C:\Users\colton\source\repos\PackerTest\PackerTest\bin\Debug\Obfuscated.exe");
Console.WriteLine("Finsihed saving");
}
Console.WriteLine("NetPackerTest.Start() is over");
}
public MethodBase GenerateTrampoline(MethodBase signature = null)
{
if (TrampolineMethod == null)
{
// Generate trampoline without applying the detour
GenerateTrampolineInner(out _, out _);
if (TrampolinePtr == IntPtr.Zero)
{
throw new InvalidOperationException("Trampoline pointer is not available");
}
TrampolineMethod = DetourHelper.GenerateNativeProxy(TrampolinePtr, signature);
}
return(TrampolineMethod);
}
