Since its introduction in 2006, PyDbg has become an essential tool for security researchers and reverse engineers. It is mainly used to discover various software vulnerabilities and weaknesses, as well to analyze malware and perform computer forensics. The present publication is aimed to provide a reader with an introduction to the Python based debugger and deliver practical and real examples of this powerful security tool usage.
You can download it from the following link: https://packetstormsecurity.com/files/download/116244/pydbg-as-a-powerful-multitasking-debuger.pdf
Source: https://packetstormsecurity.com/files/116244/How-To-Use-PyDbg-As-A-Powerful-Multitasking-Debugger.html