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Android平台下的基于应用分类和敏感权限挖掘的恶意应用检测方法研究 Title:ResearchonAndroid-basedMalwareDetectionusingAppCategorizationandSensitivePermissionMining Abstract: Asthepopularityofsmartphonescontinuestorise,theAndroidplatformhasbecomeaprimetargetforcybercriminalstopropagatemaliciousapplications.Inthispaper,weexploreacomprehensiveapproachfordetectingandidentifyingmaliciousapplicationsontheAndroidplatform.Ourproposedmethodleveragesappcategorizationandsensitivepermissionminingtoenhancetheaccuracyandefficiencyofmalwaredetection. Introduction: Therapidgrowthofmobileapplicationshasbroughtaboutnewsecuritychallenges,particularlyintherealmofmobilemalware.Maliciousapplicationscanposeasignificantthreattousers'personalinformation,financialdata,andoverallprivacy.Therefore,theneedforrobustmalwaredetectiontechniquesbecomescrucialtosafeguardthevastuserbaseofAndroiddevices.Inthispaper,wepresentanovelapproachthatutilizesbothappcategorizationandsensitivepermissionminingtoenhancemalwaredetection. AppCategorization: Appcategorizationisanessentialfirststepinourmalwaredetectionmethodology.Byclassifyingapplicationsintodifferentcategories,wecanestablishabaselineunderstandingoftheapp'sexpectedbehavior.Thiscategorizationcanbeachievedusingmachinelearningalgorithms,whichanalyzeappmetadata,descriptions,andotherfeatures.Categoriescanincludesocialnetworking,gaming,utilities,finance,etc.Bycontrastinganapp'sactualbehavioragainsttheexpectedbehaviorforitscategory,wecanidentifypotentialoutliersthatmayexhibitmaliciousactivities. SensitivePermissionMining: Maliciousapplicationsoftenrequestexcessiveorunnecessarypermissionsthatcanbeindicativeoftheirtrueintentions.Toexploituserdataorengageinharmfulactivities,malwaretypicallyrequirespermissionsthatitdisguisesaslegitimateneeds.Ourapproachfocusesonminingsensitivepermissionsrequestedbyapplicationsandcomparingthemagainsttheappcategory.Forexample,agamingapprequestingaccesstoauser'scontactsorSMSmessagesmightraisesuspicion.Byanalyzingthesepermissionsandtheircorrelationwiththeapp'sinten