Better Performance Through Thread-local Emulation

Razeen, Ali; Pistol, Valentin; Meijer, Alexander; Cox, Landon P.

doi:10.1145/2873587.2873601

Cited by 2 publications

(2 citation statements)

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“…Explicit information flows analyze data-flow dependencies without considering the control-flow of the program. In contrast, implicit information flows analyze the control-flow dependencies between a source an a sink [31]. State-of-the-art analysis techniques (e.g.…”

Section: Related Workmentioning

confidence: 99%

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TriFlow

Mirzaei

Suárez-Tangil

Tapiador

et al. 2017

Proceedings of the 2017 ACM on Asia Conference on Computer and Communications Security

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Information flows in Android can be effectively used to give an informative summary of an application's behavior, showing how and for what purpose apps use specific pieces of information. This has been shown to be extremely useful to characterize risky behaviors and, ultimately, to identify unwanted or malicious applications in Android. However, identifying information flows in an application is computationally highly expensive and, with more than one million apps in the Google Play market, it is critical to prioritize applications that are likely to pose a risk. In this work, we develop a triage mechanism to rank applications considering their potential risk. Our approach, called TRIFLOW, relies on static features that are quick to obtain. TRIFLOW combines a probabilistic model to predict the existence of information flows with a metric of how significant a flow is in benign and malicious apps. Based on this, TRIFLOW provides a score for each application that can be used to prioritize analysis. TRIFLOW also provides an explanatory report of the associated risk. We evaluate our tool with a representative dataset of benign and malicious Android apps. Our results show that it can predict the presence of information flows very accurately and that the overall triage mechanism enables significant resource saving.

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Section: Related Workmentioning

confidence: 99%

“…FlowDroid [5]) generally rely on explicit flows for two main reasons. First, implicit data flows can be tracked at a reasonable cost in most of the applications; and second, tracking such flows are unnecessary for many systems [31].…”

Section: Related Workmentioning

confidence: 99%