Indetectables

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#include <windows.h>
#include <stdlib.h>
#include <stdio.h>

int main()
{
    SECURITY_ATTRIBUTES sa;
    STARTUPINFO si;
    PROCESS_INFORMATION pi;
    
    void * leer;
    void * escribir;
  
    ZeroMemory(&sa,sizeof(&sa));
    
    sa.nLength = sizeof(SECURITY_ATTRIBUTES);
    sa.bInheritHandle = TRUE;
    sa.lpSecurityDescriptor = NULL;

    CreatePipe(&leer,&escribir,&sa,0);

    GetStartupInfoA(&si);
    
    si.dwFlags = STARTF_USESTDHANDLES|STARTF_USESHOWWINDOW;
    si.wShowWindow = SW_HIDE;
    si.hStdOutput = escribir;
    si.hStdError  = escribir;
    si.hStdInput = leer;
    
    CreateProcessA(0,"c:\\windows\\system32\\cmd.exe /c dir",0,0,TRUE,0,0,0,&si,&pi);
    Sleep(200);
    CloseHandle(escribir);
    
    char buffer[1024];
    DWORD bleidos;
    ReadFile(leer,buffer,1024,&bleidos,0);
    MessageBoxA(0,buffer,0,0);
    
    system("PAUSE");
    return 0;
}