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Linux用户行为记录器的一种内核级实现方法
Title:AKernel-LevelImplementationMethodforLinuxUserBehaviorRecorder
Abstract:
Linuxisapopularoperatingsystemwidelyusedinvariousdomains,includingpersonalcomputing,servers,andembeddedsystems.Duetotheopen-sourcenatureofLinux,thereisaneedtomonitorandrecorduserbehaviorforvariouspurposes,suchassystemdebugging,securityanalysis,anduseractivitytracking.Thispaperpresentsakernel-levelimplementationmethodforaLinuxUserBehaviorRecorderthatcapturesandlogsuseractivities.TheproposedapproachleveragestheLinuxkernel'scapabilitiestoaccessandinterceptsystemcalls,offeringapowerfulandeffectivesolutionforuserbehaviormonitoring.
1.Introduction:
1.1Background:
Linux,beinganopen-sourceoperatingsystem,providesaversatileenvironmentthatcaterstodifferentuserrequirements.However,withthisopennesscomestheneedformonitoringandrecordinguserbehaviortoensuresystemsecurityandcollectvaluableuseractivitydata.
1.2Objective:
Theobjectiveofthispaperistoproposeakernel-levelimplementationmethodforaLinuxUserBehaviorRecorderthatprovidesacompleteandefficientsolutionforcapturingandlogginguseractivities.
2.SystemArchitecture:
2.1Overview:
TheproposedLinuxUserBehaviorRecorderisbuiltasakernelmodule,whichseamlesslyintegrateswiththeLinuxkernel.Thekernelmoduleinterceptssystemcallsmadebyuser-spaceapplicationsandcapturesrelevantinformation,suchastheprocessID,userID,timestamp,systemcallname,andarguments.
2.2ModuleStructure:
Thekernelmoduleconsistsofseveralcomponents,includinganinterceptionmechanism,adatastructureforstoringthecapturedinformation,andaloggingmoduleforpersistingtherecordeddata.Additionally,auser-spaceapplicationcanbedevelopedtoprovideaninterfaceforqueryingandanalyzingtherecordeddata.
3.SystemImplementation:
3.1SystemCallInterception:
Oneofthecoreelementsoftheproposedmethodistheabilitytointerceptsystemcallsmadebyuser-spaceapplications.ByleveragingtheLinuxkernel'sfunctionalitytointerceptsystemcalls,thekernelmodulecaneffectivelycaptureuserbehavioratalowlevel.Thisisachievedbyhookingintothesyste