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Paper Abstract and Keywords
Presentation 2010-06-17 13:55
Automatic OEP Finding Method for Malware Unpacking
Yuhei Kawakoya, Makoto Iwamura, Mitsutaka Itoh (NTT) IA2010-3 ICSS2010-3
Abstract (in Japanese) (See Japanese page) 
(in English) Malware analysts have to first extract hidden original code from a packed executable to analyze malware functionalities, since most of the recent malwares are obfuscated by a packer in order to disturb analysis process with debuggers and dis-assemblers. Several studies have been made on automatic extraction of hidden original code, which executes a malware on an isolated environment, monitor write memory accesses and instruction fetches at runtime, determines if the code under execution is newly generated and then dump specific memory areas into a file as a candidate of the original code. However, these previous proposed techniques create many dump files as candidates of the original code so that it is difficult to identify the true original code. In this paper, we propose a method of automatically picking out the true original code from many candidates depending on the change in memory access trend before and after dumping points. To demonstrate its effectiveness, we implement our proposed system and evaluate it with five malwares packed by five different packers. Our experiment data shows our proposed method achieves finding the original entry points of four malwares and getting original code of all five malwares.
Keyword (in Japanese) (See Japanese page) 
(in English) Malware / Unpack / OEP / VMM / Memory Access Trace / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 79, ICSS2010-3, pp. 13-18, June 2010.
Paper # ICSS2010-3 
Date of Issue 2010-06-10 (IA, ICSS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF IA2010-3 ICSS2010-3

Conference Information
Committee IA ICSS  
Conference Date 2010-06-17 - 2010-06-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Academic Center for Computing and Media Studies, Kyoto University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet Security, etc. 
Paper Information
Registration To ICSS 
Conference Code 2010-06-IA-ICSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Automatic OEP Finding Method for Malware Unpacking 
Sub Title (in English)  
Keyword(1) Malware  
Keyword(2) Unpack  
Keyword(3) OEP  
Keyword(4) VMM  
Keyword(5) Memory Access Trace  
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Keyword(8)  
1st Author's Name Yuhei Kawakoya  
1st Author's Affiliation NTT Information Sharing and Platform Laboratories (NTT)
2nd Author's Name Makoto Iwamura  
2nd Author's Affiliation NTT Information Sharing and Platform Laboratories (NTT)
3rd Author's Name Mitsutaka Itoh  
3rd Author's Affiliation NTT Information Sharing and Platform Laboratories (NTT)
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Speaker Author-1 
Date Time 2010-06-17 13:55:00 
Presentation Time 25 minutes 
Registration for ICSS 
Paper # IA2010-3, ICSS2010-3 
Volume (vol) vol.110 
Number (no) no.78(IA), no.79(ICSS) 
Page pp.13-18 
#Pages 6 
Date of Issue 2010-06-10 (IA, ICSS) 

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