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A new approach to malware detection.

Tang, Hong Ying.

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A new approach to malware detection.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	A new approach to malware detection./
作者:	Tang, Hong Ying.
面頁冊數:	101 p.
附註:	Source: Masters Abstracts International, Volume: 49-02, page: 1292.
Contained By:	Masters Abstracts International49-02.
標題:	Engineering, Computer. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR67230
ISBN:	9780494672303

A new approach to malware detection.
Tang, Hong Ying.

A new approach to malware detection. - 101 p.

Source: Masters Abstracts International, Volume: 49-02, page: 1292.

Thesis (M.A.Sc.)--Concordia University (Canada), 2010.

Malware is a type of malicious programs, and is one of the most common and serious types of attacks on the Internet. Obfuscating transformations have been widely applied by attackers to malware, which makes malware detection become a more challenging issue. There has been extensive research to detect obfuscated malware. A promising research direction uses both control-flow graph and instruction classes of basic blocks as the signature of malware. This research direction is robust against certain obfuscation, such as variable substitution, instruction reordering. But only using instruction classes to detect obfuscated basic blocks will cause high false positives and false negatives. In this thesis, based on the same research direction, we proposed an improved approach to detect obfuscated malware. In addition to using CFG, our approach also uses functionalities of basic block as the signature of malware.

ISBN: 9780494672303Subjects--Topical Terms:

1669061
Engineering, Computer.

A new approach to malware detection.
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520 $a Malware is a type of malicious programs, and is one of the most common and serious types of attacks on the Internet. Obfuscating transformations have been widely applied by attackers to malware, which makes malware detection become a more challenging issue. There has been extensive research to detect obfuscated malware. A promising research direction uses both control-flow graph and instruction classes of basic blocks as the signature of malware. This research direction is robust against certain obfuscation, such as variable substitution, instruction reordering. But only using instruction classes to detect obfuscated basic blocks will cause high false positives and false negatives. In this thesis, based on the same research direction, we proposed an improved approach to detect obfuscated malware. In addition to using CFG, our approach also uses functionalities of basic block as the signature of malware.
520 $a Specifically, our contributions are presented as follows: 1) we design "signature calculation algorithm" to extract the signature of a malicious code fragment. "Signature calculation algorithm" is based on compiler optimization algorithm, but add and integrate memory sub-variable optimization, expression formalization and cross basic block propagation into it. 2) we formalize the expressions of assignment statements to facilitate comparing the functionalities of two expressions. 3) we design a detection algorithm to detect whether a program is an obfuscated malware instance. Our detection algorithm compares two aspects: CFG and the functionalities of basic blocks. 4) we implement the proposed approach, and perform experiments to compare our approach and the previous approach.
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