NDLI: Obfuscation of executable code to improve resistance to static disassembly

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Obfuscation of executable code to improve resistance to static disassembly

Content Provider	ACM Digital Library
Author	Linn, Cullen Debray, Saumya
Abstract	A great deal of software is distributed in the form of executable code. The ability to reverse engineer such executables can create opportunities for theft of intellectual property via software piracy, as well as security breaches by allowing attackers to discover vulnerabilities in an application. The process of reverse engineering an executable program typically begins with disassembly, which translates machine code to assembly code. This is then followed by various decompilation steps that aim to recover higher-level abstractions from the assembly code. Most of the work to date on code obfuscation has focused on disrupting or confusing the decompilation phase. This paper, by contrast, focuses on the initial disassembly phase. Our goal is to disrupt the static disassembly process so as to make programs harder to disassemble correctly. We describe two widely used static disassembly algorithms, and discuss techniques to thwart each of them. Experimental results indicate that significant portions of executables that have been obfuscated using our techniques are disassembled incorrectly, thereby showing the efficacy of our methods.
Starting Page	290
Ending Page	299
Page Count	10
File Format	PDF
ISBN	1581137389
DOI	10.1145/948109.948149
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2003-10-27
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Code obfuscation Disassembly
Content Type	Text
Resource Type	Article

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