InstrumentationCallback Anti-Debug+Redirection

//http://waleedassar.blogspot.com
//https://twitter.com/waleedassar
//Thanks to https://twitter.com/nickeverdox
//------64-Bit---------------
#define ProcessInstrumentationCallback 0x28
extern "C"
{
        void DbgBreakPoint();
        int __stdcall ZwSetInformationProcess(HANDLE,unsigned long long,unsigned long long*,unsigned long long);
}

void* BeingDebugged()
{
    unsigned long long Cano= 0;
    ZwSetInformationProcess(GetCurrentProcess(),ProcessInstrumentationCallback,&Cano,0x8);
    MessageBox(0,L"Being Debugged\r\n",L"waliedassar",0);
    ExitProcess(0);
}
int main()
{
        unsigned long long Cano= (unsigned long long)&BeingDebugged;
        int ret=ZwSetInformationProcess(GetCurrentProcess(),ProcessInstrumentationCallback,&Cano,0x8);
        if(ret==0xC0000061) printf("Expected\r\n");
        return 0;
}