Class dependency graph based Android application similarity detection method

A detection method and technology dependent on the graph, applied in the field of mobile Internet

Active Publication Date: 2014-08-13
XIANGTAN UNIV
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Problems solved by technology

However, more often than not, app repackaging techniques are used for malicious purposes, thereby posing no

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  • Class dependency graph based Android application similarity detection method
  • Class dependency graph based Android application similarity detection method
  • Class dependency graph based Android application similarity detection method

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Embodiment Construction

[0052] The specific implementation manner of the present invention will be further described below in conjunction with the drawings and embodiments. Such as Figure 4 The Android application similarity detection method provided in this embodiment includes the following main steps:

[0053] S1. Decompile the Android application to obtain its Dalvik bytecode;

[0054] S2. Obtain the package name and class name in the Android application according to the decompiled file directory and the Dalvik bytecode file name of the Android application;

[0055] S3. Build a dependency graph between classes according to the package name, class name and Dalvik bytecode file;

[0056] The class dependency graph is characterized in that:

[0057] Each class of Android corresponds to a vertex in the graph;

[0058] The class dependency graph is a directed graph;

[0059] A class calls member variables and member functions of other classes corresponding to the out-degree of the vertex in the g...

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Abstract

The invention belongs to the mobile Internet technical field and particularly relates to a class dependency graph based Android application similarity detection method. The class dependency graph based Android application similarity detection method specifically comprises step 1, decompiling an Android application and obtaining Dalvik byte codes of the Android application; step 2, obtaining package names and class names in the Android application according to a decompiled file directory and Dalvik byte code file names of the Android application; step 3, establishing a dependency relation graph between classes according to the package names, the class names and Dalvik byte code files; step 4, repeating the step 1 to the step 3 until class dependency graphs of Android application which need to be compared are obtained; step 5, performing comparison on similarities of the Android applications by a graph similarity comparison method according to the class dependency graphs of the Android applications. According to the class dependency graph based Android application similarity detection method, the structured information in the Android applications can be effectively extracted and the influences on the detection rate of the similar applications from an Android application confusion and deformation technology can be resisted.

Description

technical field [0001] The invention belongs to the technical field of mobile Internet, and in particular relates to a method for detecting Android application similarity based on a class dependency graph. Background technique [0002] With the development of the mobile Internet, smart phones have become an indispensable part of people's lives. According to Google's report, as of December 2013, the number of activated smartphones and tablet PCs equipped with the Android operating system has reached 1 billion. In order to allow smartphone users to browse and install smartphone applications conveniently, platform providers provide centralized application markets, including Apple's App Store and Google's Google Play. Application developers submit their applications to the application market, so that the applications they develop can be provided to tens of thousands of smartphone users. Platform owners can also more effectively control the quality of applications and block mal...

Claims

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Application Information

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IPC IPC(8): G06F21/12G06F9/44
CPCG06F21/14
Inventor 程戈张云李强颜克文
Owner XIANGTAN UNIV
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