#include <Windows.h>
#include <stdio.h>
#include <fstream>

#include "Windas.h"
#include "XedWrap.h"
#include "NativeCode.h"
#include "Obfuscator.h"

VOID PrintByteArr(PVOID Buff, ULONG BufSize)
{
	for (uint32_t i = 0; i < BufSize; i++)
	{
		std::cout << std::hex << std::setw(2) << std::setfill('0') << (int)((PUCHAR)Buff)[i] << ' ';
	}
}

PVOID MakeExecutableBuffer(PVOID Buffer, ULONG BufferSize)
{
	PVOID ExecBuffer = VirtualAlloc(nullptr, BufferSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
	if (!ExecBuffer)
		return NULL;
	RtlCopyMemory(ExecBuffer, Buffer, BufferSize);
}

VOID PutToFile(PVOID Buffer, ULONG BufferSize)
{
	std::ofstream fout;
	//
	//fout.open("C:\\Users\\James\\Desktop\\fantern\\Test.m", std::ios::binary | std::ios::out);
	fout.open("C:\\Users\\Iizerd\\Desktop\\Leeg Hake\\Test.m", std::ios::binary | std::ios::out);
	fout.write((PCHAR)Buffer, BufferSize);
	fout.close();
}

UCHAR TestBuffer[] = {
	0x48, 0x33, 0xC0,
	0x48, 0x33, 0xC0,
	//0xEB, 0x0E,
	0x48, 0x33, 0xC0,
	0x48, 0x33, 0xC0,
	//0x7E, 0x06,
	0x48, 0x33, 0xC0,
	0x48, 0x33, 0xC0,
	0x48, 0x33, 0xC0,
	0x48, 0x33, 0xC0,
	//0xEB, 0xF8,
	0x50,
	0x48, 0xB8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0F,
	0x48, 0x87, 0x04, 0x24,
	0xC3,
};
ULONG TestBufferSize = sizeof(TestBuffer);

UCHAR meme1[] = { 
	0x31, 0xc0, 
	0x83, 0xc0, 0x01,
	0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01, 
0x83, 0xc0, 0x01, 
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0x83, 0xc0, 0x01,
0xc3,
};

UCHAR RetNumCode[] = {
	0x33, 0xC0
	, 0x48, 0x83, 0xC0, 0x01
	, 0x48, 0x83, 0xE9, 0x01
	, 0x48, 0x83, 0xC1, 0x01
	, 0x48, 0x83, 0xC0, 0x02
	, 0x48, 0x83, 0xE8, 0x02
	, 0x48, 0x83, 0xE9, 0x01
	, 0x75, 0xE6
	, 0xC3
};


EXTERN_C ULONG64 RetNum(ULONG64 Num);

int main()
{
	XedTablesInit();
	srand(time(NULL));

	//system("pause");

	NATIVE_CODE_BLOCK RetNumBlock;
	NcDisassemble(&RetNumBlock, RetNumCode, sizeof(RetNumCode));
	OPBR_SETS Obf;
	Obf.Flags = 0;
	Obf.ParentBlock = &RetNumBlock;
	Obf.Divisor = 1.3F;
	Obf.MaxDepth = 10;
	Obf.MinBranchSize = 1;
	Obf.ChanceForBranch = 50;
	Obf.MinDepthForBranch = 0;
	ObfGenerateOpaqueBranches(&Obf, &RetNumBlock);
	INSTMUT_SETS Obf2;
	Obf2.MutateChance = 100;
	ObfMutateInstructions(&Obf2, &RetNumBlock);

	Obf.MinBranchSize = 27;
	ObfGenerateOpaqueBranches(&Obf, &RetNumBlock);
	/*Obf.MinBranchSize = 27;
	ObfGenerateOpaqueBranches(&Obf, &RetNumBlock);
	Obf.MinBranchSize = 27;
	ObfGenerateOpaqueBranches(&Obf, &RetNumBlock);*/
	//NcDebugPrint(&RetNumBlock);

	ULONG AsmSize;
	PVOID Asm = NcAssemble(&RetNumBlock, &AsmSize);
	if (!Asm)
	{
		printf("failed to assemble\n");
		system("pause");
		return 1;
	}
	PutToFile(Asm, AsmSize);
	system("pause");

	PVOID Exec = MakeExecutableBuffer(Asm, AsmSize);
	typedef ULONG64(*FnRetNum)(ULONG Num);
	printf("\n\nSize: %u   Obfuscated: %llu    Original: %llu\n\n", NcCountInstructions(&RetNumBlock), ((FnRetNum)Exec)(1776), RetNum(1776));
	NcDeleteBlock(&RetNumBlock);
	system("pause");


	/*NATIVE_CODE_BLOCK Block;
	NcDisassemble(&Block, meme1, sizeof(meme1));
	OBFUSCATOR Obf;
	Obf.Flags = 0;
	Obf.MinSizeForOpaqueBranch = 12;
	Obf.GlobalBlock = &Block;
	ObfObfuscate(&Obf, &Block);
	Obf.MinSizeForOpaqueBranch = 4;
	ObfObfuscate(&Obf, &Block);
	NcDebugPrint(&Block);

	ULONG ByteSize = NcCalcBlockSizeInBytes(&Block);
	ULONG InstSize = NcCountInstructions(&Block);

	printf("Bytes: %u, Insts: %u, FlagsMeme: %u.\n", ByteSize, InstSize, Obf.Flags);

	ULONG AsmSize;
	PVOID Asm = NcAssemble(&Block, &AsmSize);
	PVOID Exec = MakeExecutableBuffer(Asm, AsmSize);
	typedef ULONG(*FnGetFour)();
	printf("numba is: %u size is %u\n\n", ((FnGetFour)Exec)(), AsmSize);
	PutToFile(Asm, AsmSize);*/


	//PNATIVE_CODE_LINK Return1776 = new NATIVE_CODE_LINK(CODE_FLAG_IS_INST, meme1, sizeof(meme1));
	//PNATIVE_CODE_LINK RetInst = new NATIVE_CODE_LINK(CODE_FLAG_IS_INST, meme2, sizeof(meme2));
	//PNATIVE_CODE_BLOCK Pre1 = JitEmitPreRipMov(Return1776);
	//PNATIVE_CODE_BLOCK Post1 = JitEmitPostRipMov(Return1776);
	//PNATIVE_CODE_BLOCK Pre2 = JitEmitPreRipMov(RetInst);
	//PNATIVE_CODE_BLOCK Post2 = JitEmitPostRipMov(RetInst);

	//NcAppendToBlock(Pre1, Return1776);
	//NcInsertBlockAfter(Pre1->End, Post1, 0);
	//Pre1->End = Post1->End;
	//NcInsertBlockAfter(Pre1->End, Pre2, 0);
	//Pre1->End = Pre2->End;
	//NcAppendToBlock(Pre1, RetInst);
	//NcInsertBlockAfter(Pre1->End, Post2, 0);
	//Pre1->End = Post2->End;

	///*Pre->Start = Return1776;
	//Pre->End = Return1776;*/

	//for (ULONG i = 0; i < Return1776->RawDataSize; i++)
	//	Return1776->RawData[i] = (UCHAR)rand();
	//for (ULONG i = 0; i < RetInst->RawDataSize; i++)
	//	RetInst->RawData[i] = (UCHAR)rand();



	//ULONG AsmLen;
	//PVOID Asm = NcAssemble(Pre1, &AsmLen);
	//PUCHAR Tb = (PUCHAR)Asm;
	//for (uint32_t i = 0; i < AsmLen; i++)
	//{
	//	std::cout << std::hex << std::setw(2) << std::setfill('0') << (int)Tb[i] << ' ';
	//}

	//system("pause");

	//typedef ULONG64(*FnGet1776)();
	//FnGet1776 ExecBuffer = (FnGet1776)MakeExecutableBuffer(Asm, AsmLen);
	//if (ExecBuffer)
	//{
	//	printf("The numba was: %X\n", ExecBuffer());
	//	printf("The numba was: %X\n", ExecBuffer());

	//	printf("The numba was: %X\n", ExecBuffer());

	//	printf("The numba was: %X\n", ExecBuffer());

	//}


	//NcDebugPrint(Post);



	/*NATIVE_CODE_BLOCK Block;
	NcDisassemble(&Block, TestBuffer, TestBufferSize);
	PNATIVE_CODE_LINK NewLink = new NATIVE_CODE_LINK(CODE_FLAG_IS_INST, meme1, sizeof(meme1));

	NcInsertLinkBefore(Block.End->Prev->Prev->Prev->Prev, NewLink);
	ULONG AssembledSize;
	PVOID AssembledBlock = NcAssemble(&Block, &AssembledSize);
	if (!AssembledBlock || !AssembledSize)
	{
		printf("Something failed nicka.\n");
		system("pause");
		return -1;
	}
	PUCHAR Tb = (PUCHAR)AssembledBlock;
	for (uint32_t i = 0; i < AssembledSize; i++)
	{
		std::cout << std::hex << std::setw(2) << std::setfill('0') << (int)Tb[i] << ' ';
	}
	*/


	//PNATIVE_CODE_BLOCK OpaqueBranch = ObfGenOpaqueBranch(Block.Start, Block.End);
	//NcDebugPrint(OpaqueBranch);



	/*NATIVE_CODE_LINK T;
	T.RawDataSize = 10;
	T.RawData = new UCHAR[10];
	memset(T.RawData, 0xAA, 10);
	JIT_BITWISE_DATA Data;
	RtlSecureZeroMemory(&Data, sizeof(JIT_BITWISE_DATA));
	PNATIVE_CODE_BLOCK NewBlock = JitEmitPreRipMov(&T);
	if (NewBlock)
	{
		printf("\n");
		NcDebugPrint(NewBlock);
		printf("\n");
		NcPrintBlockCode(NewBlock);
	}
	system("pause");*/
	
}