Bypass AVA Xigncode

#define WINVER 0x0500
#include <iostream>
#include <windows.h>

using namespace std;

BOOL EnableDebugPrivilege(BOOL bEnable) //gives you debug priv, usually not needed, but it fixed a problem for me
{
    HANDLE hToken = NULL;
    LUID luid;

    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken)) return FALSE;
    if (!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &luid)) return FALSE;

    TOKEN_PRIVILEGES tokenPriv;
    tokenPriv.PrivilegeCount = 1;
    tokenPriv.Privileges[0].Luid = luid;
    tokenPriv.Privileges[0].Attributes = bEnable ? SE_PRIVILEGE_ENABLED : 0;

    if (!AdjustTokenPrivileges(hToken, FALSE, &tokenPriv, sizeof(TOKEN_PRIVILEGES), NULL, NULL)) return FALSE;

    return TRUE;
}

int main()
{
    HWND ava_wind;
    string windowName = "Alliance of Valiant Arms";
    cout << "Waiting for AVA..." << endl;
    while(true){
        ava_wind = FindWindow(NULL, windowName.c_str());
        if(ava_wind != 0){
            break;
        }
        Sleep(1);
    }
    /*TCHAR title[500];
    while(true){
        ava_wind = GetForegroundWindow();
        if(GetWindowText(ava_wind, title, 500)+1 == 25){ //this checks the length of the window name
            break;
        }
        Sleep(1);
    }*/
    EnableDebugPrivilege(true);
    DWORD* process_ID = new DWORD;
    GetWindowThreadProcessId(ava_wind, process_ID);
    HANDLE hProcess = OpenProcess(PROCESS_VM_OPERATION|PROCESS_VM_WRITE|PROCESS_VM_READ, FALSE, *process_ID);
    if(!hProcess){
        cout << GetLastError() << endl;
        cout << "Could not open the process!" << endl;
    }
    else{
        if(VirtualAllocEx(hProcess, NULL, 1, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE) != NULL){}
        else{
            cout << "VirtualAllocEx Failed" << endl;
            cout << GetLastError() << endl; //get what error it returned
        }
        int newdata = 0xC3; //RETN in asm
        DWORD newdatasize = sizeof(newdata);
        if(WriteProcessMemory(hProcess, (LPVOID)0x041000, &newdata, newdatasize, NULL)){ //old address
            cout << "XIGNCode Bypassed" << endl;
        }
        else{
            cout << GetLastError() << endl;
            cout << "Error cannot WriteProcessMemory!" << endl;
        }
        CloseHandle(hProcess);
    }
    Sleep(10000);
    return 0;
}