Bin Lu Fenlin Liu Xin Ge Bin Liu 0008 Xiangyang Luo A Software Birthmark Based on Dynamic Opcode n-gram. 37-44 2007 ICSC http://doi.ieeecomputersociety.org/10.1109/ICSC.2007.15 conf/semco/2007 db/conf/semco/icsc2007.html#LuLGLL07