Get the Whitepaper called The Sulley Framework: Basics. Sulley is a fuzzer packed with interesting capabilities. Such as packet-capturing, crash reporting and VMware automation.
You can download it from the following link: https://packetstormsecurity.com/files/download/90098/sulley-framework.pdf
Source: https://packetstormsecurity.com/files/90098/Sulley-Framework-Basics.html