Behavior status switching mode identification method of application program for Android-based smart phone

An application program, smartphone technology, applied in special data processing applications, telephone communications, instruments, etc., can solve the problems of inability to effectively detect security risks, detection technology can not identify whether the application is infected with viruses, etc., to achieve the detection of security risks. Effect
CN102647409AInactive Publication Date: 2012-08-22HARBIN INST OF TECH
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
HARBIN INST OF TECH
Publication Date
2012-08-22
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a behavior status switching mode identification method of an application program for an Android-based smart phone and belongs to the field of phone safety. The invention particularly relates to a behavior status switching mode identification method of an application program, in order to solve the problems that whether application is infected with a virus can not be detected out in the prior art and hidden potential safety hazards can not be effectively detected. The identification method comprises the following processes: a system monitoring module intercepts, filters and switches a status, records a generated composite status sequence and sends the composite status sequence into a data center module; a behavior learning module reads a sequence to be learned and an initial model, repeated learning is finished by the convergence criteria, and the result is stored in the data center module; and a detection strategy is set by a behavior detecting module, if application is a known type, an HMM (Hidden Markov Model) is selected for carrying out once complete evaluation; and if the application is an unknown type, whether an unsafe behavior exists is detected, all HMMs representing malicious behaviors are utilized for carrying out complete evaluation for multiple times, and then a result is output. The identification method is used for safety detection of the smart phone.
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Description

technical field

[0001] The invention belongs to the field of mobile phone security, and in particular relates to an application program behavior state transition pattern recognition method based on an Android smart phone. Background technique

[0002] The characteristics of mobile phones, a special mobile device, have brought many obstacles to the security of mobile phones. The limitations of computing power, storage capacity, battery supply capacity, and network interconnection capacity have all imposed limitations on traditional technologies, especially from traditional PCs (personal computers, personal computers). Adapting measures to local conditions on smartphones from technology borrowed from computers) has brought difficulties. For example, detection based on feature code matching, due to the computing power and storage capacity of smartphones, tasks can only be processed in a distributed manner, which in turn will be restricted by network interconnection capabilities...

Claims

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