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Content Provider | ACM Digital Library |
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Author | Chen, Xin Zhu, Sencun |
Abstract | Android applications (apps for short) can send out users' sensitive information against users' intention. Based on the stats from Genome and Mobile-Sandboxing, 55.8% and 59.7% Android malware families feature privacy leakage. Prior approaches to detecting privacy leakage on smartphones primarily focused on the discovery of sensitive information flows. However, Android apps also send out users' sensitive information for legitimate functions. Due to the fuzzy nature of the privacy leakage detection problem, we formulate it as a justification problem, which aims to justify if a sensitive information transmission in an app serves any purpose, either for intended functions of the app itself or for other related functions. This formulation makes the problem more distinct and objective, and therefore more feasible to solve than before. We propose DroidJust, an automated approach to justifying an app's sensitive information transmission by bridging the gap between the sensitive information transmission and application functions. We also implement a prototype of DroidJust and evaluate it with over 6000 Google Play apps and over 300 known malware collected from VirusTotal. Our experiments show that our tool can effectively and efficiently analyze Android apps w.r.t their sensitive information flows and functionalities, and can greatly assist in detecting privacy leakage. |
Starting Page | 1 |
Ending Page | 12 |
Page Count | 12 |
File Format | |
ISBN | 9781450336239 |
DOI | 10.1145/2766498.2766507 |
Language | English |
Publisher | Association for Computing Machinery (ACM) |
Publisher Date | 2015-06-22 |
Publisher Place | New York |
Access Restriction | Subscribed |
Subject Keyword | Android security Privacy leakage detection Static taint analysis |
Content Type | Text |
Resource Type | Article |
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