Code fusion information-hiding algorithm based on PE file function migration

Code fusion information-hiding algorithm based on PE file function migration
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基于PE文件功能迁移的代码融合信息隐藏算法

DOI:
10.1186/s13640-020-00541-3
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发表时间:
2021-01
影响因子:
2.4
通讯作者:
Yang Hengfu
Yang Hengfu
中科院分区:
计算机科学4区
文献类型:
--
作者:
Tian Zuwei;Yang Hengfu

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PE(portable executable)文件具有多样性、文件大小的不确定性、文件结构的复杂性和文件格式的单一性等特点,这些特点使得PE文件很容易成为信息隐藏的载体,特别是对于隐藏容量较大的PE文件。提出了一种基于PE文件函数迁移的信息隐藏算法,利用反汇编引擎对PE文件的代码段进行反汇编,进行函数识别,将系统或用户自定义函数的全部代码迁移到PE文件的最后一段。然后它将信息隐藏在原始代码空间中。将隐藏信息与PE文件的主要功能相结合,将隐藏信息与程序的关键代码相耦合,进一步增强了系统的隐蔽性能和抗攻击能力。
PE (portable executable) file has the characteristics of diversity, uncertainty of file size, complexity of file structure, and singleness of file format, which make it easy to be a carrier of information hiding, especially for that of large hiding capacity. This paper proposes an information-hiding algorithm based on PE file function migration, which utilizes disassembly engine to disassemble code section of PE file, processes function recognition, and shifts the whole codes of system or user-defined functions to the last section of PE file. Then it hides information in the original code space. The hidden information is combined with the main functions of the PE file, and the hidden information is coupled with the key codes of the program, which further enhances the concealment performance and anti-attack capability of the system.
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