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Android access control granularity based on its permission mechanism is relatively coarse, which cannot effectively protect the user privacy. Many Android applications do not strictly abide by the principle of least privilege (PLP). Both benign and malicious apps may request more permissions than those they really use. We rethink previous permission over-claim problem of Android applications, and...
During repackaging, malware writers statically inject malcode and modify the control flow to ensure its execution. Repackaged malware is difficult to detect by existing classification techniques, partly because of their behavioral similarities to benign apps. By exploring the app's internal different behaviors, we propose a new Android repackaged malware detection technique based on code heterogeneity...
Android plays a vital role in the today's market. According to recent survey placed nearly 84.4% of people stick to android which explosively become popular for personal or business purposes. It is no doubt that the application are extremely familiar in the market for their amazing features and the wonderful benefits of android applications makes the users to fall for it. Android imparts significant...
We present HornDroid, a new tool for the static analysis of information flow properties in Android applications. The core idea underlying HornDroid is to use Horn clauses for soundly abstracting the semantics of Android applications and to express security properties as a set of proof obligations that are automatically discharged by an off-the-shelf SMT solver. This approach makes it possible to fine-tune...
The intent mechanism is a powerful feature of the Android platform that helps compose existing components together to build a Mobile application. However, hackers can leverage the intent messaging to extract personal data or to call components without credentials by sending malicious intents to components. This paper tackles this issue by proposing a security testing method which aims at detecting...
Android system has been widely utilized in smartphones, but it also has many security threats. Android uses the permission system to notice the user during installation about what permissions it will receive. However, according to related research, most users have poor understanding of permissions, and will accept the prompt directly. Over privileged applications will expose users to unnecessary permission...
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