This paper is an introduction to the world of fuzzing by exploring the Sulley Fuzzing Framework.
You can download it from the following link: https://packetstormsecurity.com/files/download/121707/The-Sulley-Fuzzing-Framework.pdf
Source: https://packetstormsecurity.com/files/121707/Fuzzing-An-Introduction-To-Sully-Framework.html