Stig Andersson Andrew Clark George M. Mohay Bradley Schatz Jacob Zimmermann A Framework for Detecting Network-based Code Injection Attacks Targeting Windows and UNIX. 49-58 2005 conf/acsac/2005 ACSAC http://doi.ieeecomputersociety.org/10.1109/CSAC.2005.5 db/conf/acsac/acsac2005.html#AnderssonCMSZ05