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Paper Abstract and Keywords
Presentation 2014-03-28 10:50
Detection of Android apps that secretly abuse the camera
Takuya Watanabe, Tatsuya Mori, Tetsuya Sakai (Waseda Univ.) ICSS2013-78
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a method for detecting Android apps that may secretly abuse the camera to leak private or important information of the user. Our key idea is to combine two approaches: (1) analysis of disassembled code of application package files and (2) text analysis of natural language descriptions that are used to explain the details of apps. In our experiment using 10,855 Android apps collected from third-party markets, our method successfully extracted 43 samples that likely abuse camera secretly. We applied dynamic analysis to the 43 samples manually and revealed that at least 28 samples did have proper reasons to use camera thus were negative and two samples exhibited unnatural content and behaviour; thus we need detailed static code analysis for further investigation. We also found that of the 43 samples, 18 samples were detected as malware; hence, a large fraction of detected samples with our framework, which aims to extract apps with inconsistency between description and code, were actually malware.
Keyword (in Japanese) (See Japanese page) 
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Reference Info. IEICE Tech. Rep., vol. 113, no. 502, ICSS2013-78, pp. 119-124, March 2014.
Paper # ICSS2013-78 
Date of Issue 2014-03-20 (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)
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Conference Information
Committee ICSS IPSJ-SPT  
Conference Date 2014-03-27 - 2014-03-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Meio Univiersity 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication Security, Security Psychology & Trust, etc. 
Paper Information
Registration To ICSS 
Conference Code 2014-03-ICSS-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Detection of Android apps that secretly abuse the camera 
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1st Author's Name Takuya Watanabe  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Tatsuya Mori  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Tetsuya Sakai  
3rd Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2014-03-28 10:50:00 
Presentation Time 25 minutes 
Registration for ICSS 
Paper # ICSS2013-78 
Volume (vol) vol.113 
Number (no) no.502 
Page pp.119-124 
#Pages 6 
Date of Issue 2014-03-20 (ICSS) 

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