Research on Extraction Method of Internet of Things Firmware
With the popularization of IoT devices,people's attention to their security is constantly increasing,which has attracted a large number of researchers to invest in the research of IoT device security.However,firmware unpacking,as a core step in IoT firmware security research,still faces challenges.This article systematically analyzes the challenges of current firmware encryption to firmware security research and unpacking work,explores methods to solve these challenges,and provides important references for further exploration in the field of firmware security.This article first introduces various ways to obtain firmware,and then delves into mainstream firmware unpacking techniques,analyzing their advantages and disadvantages.At the same time,it elaborates on the basic concepts of firmware encryption and decryption,and proposes decryption methods for different encryption methods.Through case analysis,the decryption strategies adopted for router firmware from different vendors were demonstrated in detail.Finally,summarize the application prospects and security risks of firmware unpacking technology,and emphasize the principles of legality and ethics in the research process.
Internet of Things devicefirmware unwrappingautomation
NETL
NSTL
万方数据
