3William G J, Viegas H J, Orso A. A Classification of SQL Injection Attacks and Countermeasures[C]//Proc. of International Symposium on Secure Software Engineering. Arlington, USA: IEEE Press. 2006.
4Su Zhendong, Wassermann G. The Essence of Command Injection Attacks in Web Applications[C]//Proc. of Annual Symposium on Principles of Programming Languages. Charleston, USA: [s. n.], 2006.
5Stuttard D, Pinto M. The Web Application Hacker's Handbook: Discovering and Exploiting Security Flaws[M].北京:人民邮电出版社, 2009.
6Friedl J E F, Mastering Regular Expressions[M].北京:电子工业出版社,2009.
