IoT-DeepSense: Behavioral Security Detection of IoT Devices Based on Firmware Virtualization and Deep Learning

Table 1

System call sequence.

Time	Function	System call sequence
T1	Get time	gettimeofday−gettimeofday
T2	Get frame	(ioctl)−rt sigprocmask−ioctl−ioctl−rt sigprocmask
T3	Get sport frame	open−fstat64−mmap2−write− … −write−close−munmap−clone−write
T4	Save snapshot	open−fstat64−mmap2−write− … −write−close−munmap−clone−write unlink−symlink
T5	Wait for connection	Select (accept−ioctl−write)−(write−munmap−close)−(mmap2−gettimeofday)
T6	Frame rate control	gettimeofday−(nanosleep)