METHOD AND SYSTEM FOR HARDWARE BASED PROGRAM FLOW MONITOR FOR EMBEDDED SOFTWARE

摘要

A method for malware detection, wherein the method includes: utilizing a hardware based program flow monitor (PFM) for embedded software that employs a static analysis of program code; marrying the program code to addresses, while considering which central processing unit (CPU) is executing the program code; capturing an expected control flow of the program code, and storing the control flow as physical address pairs of leaders and followers (LEAD-FOLL pair) in a Metadata Store (MDS) within the PFM; monitoring control flow at runtime by the PFM; and comparing runtime control flow with the expected control flow