【摘要】 为解析和提取UEFI固件中的固件模块,研究UEFI固件的逻辑结构和存储结构,对组成固件的固件卷、固件文件、固件段结构进行分析并给出解析流程;对UEFI固件存储中的加密模块涉及的压缩算法原理进行分析。实验中,按分析出的结构和原理,编写一个可用于解析和提取UEFI固件中各个模块的程序原型,对实际的UEFI固件进行实验,实验结果表明,其可以正确解析和提取固件中各模块。更多还原

【Abstract】 To analyze and extract the firmware module of UEFI,the logical structure and storage structure of UEFI were studied,and the firmware volume,firmware file,and segment structure of firmware were analyzed.And the compression algorithm of the encryption module in the UEFI firmware storage was analyzed.According to the structure and principle of the analysis,a prototype of the program was used to analyze and extract the various modules in the UEFI firmware.Through experiments on the actual UEFI firmware,it is verified that the modules can be correctly resolved and extracted.更多还原