。Symbian OS, New application -IDA Pro 。iOS Disassemble Disassemble -PiOS Decompile application application application ·Android Extract Construct Staticcode system calls control -Dalvik decomiler analysis flow graph Anomaly Anomaly detection Statictaint detection analysis (a) ) g Flgure 1.Static analysis techniques based on(a)system calls,(b)taint, and (c)source code. • Symbian OS, – IDA Pro • iOS – PiOS • Android – Dalvik decomiler