Technology of Information Security
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App. Res. of Comp. Printed Article
Vol. 36, 2019 No. 6
1808-1812

Generalized opaque predicates detecting method based on logical consistency

Shi Dawei
Zhou Jixuan
Xu Lianghua
Jiangnan Institute of Computing Technology, Wuxi Jiangsu 214083, China
DOI: 10.19734/j.issn.1001-3695.2017.12.0824

Abstract

Opaque predicate is a lightweight obfuscation method which holds partial observability and is to impede reverse engineering. Generalized opaque predicate extends the property of narrow opaque predicate by turning fixed value to fixed logic, and it is applied in malware. In order to eliminate the disturbance introduced by opaque predicates during malware identifying, this paper proposed a generalized opaque predicate detecting method based on the consistency of logic. This method depended on the reliance on constraint, and combined with the identification of consistency toward logic. This method extracted previous constraint of domain, back constraint of logic and expression of predicate. Then filtered candidates by applying search of intersecting basic blocks, and finally identified opaque predicates through constraint solving. It designed a prototype and the evalua-tion indicates that this method can identify opaque predicates from malware accurately and effectively.

Foundation Support

国家“863”计划资助项目(2012AA7111043)
国家自然科学基金资助项目(91318301)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2017.12.0824
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 6
Section: Technology of Information Security
Pages: 1808-1812
Serial Number: 1001-3695(2019)06-043-1808-05

Publish History

[2019-06-05] Printed Article

Cite This Article

史大伟, 周季璇, 徐良华. 基于逻辑一致性判定的广义不透明谓词检测方法 [J]. 计算机应用研究, 2019, 36 (6): 1808-1812. (Shi Dawei, Zhou Jixuan, Xu Lianghua. Generalized opaque predicates detecting method based on logical consistency [J]. Application Research of Computers, 2019, 36 (6): 1808-1812. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

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