Well , i’ve just found a good stuff to read on. It’s the paper written by Cyberh3b of ECHO Community about how to develop exploits using Metasploit Framework 2.x (i know it’s too old , but it’s still a good stuff to learn right?) 
You can find it here :
Metasploit : how to develop exploits using Metasploit Framework 2.x is posted on October 3rd, 2007 by admin. This post is filed under: Security, Tutorial, Buffer overflow, Hacking, how to, Metasploit, Security, tutorials .
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