Get the Whitepaper called Creating Windows Exploits with the Metasploit Framework, or Criar Exploits Para o Windows com a Ajuda da Metasploit Framework. Written in Portuguese.
You can download it from the following link: https://packetstormsecurity.com/files/download/94442/windows-sploits.pdf
Source: https://packetstormsecurity.com/files/94442/Creating-Windows-Exploits-With-The-Metasploit-Framework.html