蠕虫防御机制分析

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1、AbslraetAbstraCtPeer-to一Peer(PZP)wormshavebeeomeoneofsomemajorthreatstoPeer-to一Peernetworksecuntynowadays.PZPwormshavesomeordinaryfeaturesofinternetworms，andeanattackthegoalnodesaccuratelybymaniPulatingtherouterofinfeetednodes，gettinginformationoftheirneighborsandeons如etingatargetlist.D

2、uetoPZPwormshavestrongerhiddenfeatureanddestructivitythanordinaryintemetworms，it15hardtodCtectanddefensePZPworlllswithtraditionalnetworkwonndeteetionanddefensetechnology.ForresolvingtheaboveProblem，thisPaperresearehesthePZPwormdefensetechnologyfromtheangleofdefensePolieyaswellaseonsider

3、ingthetraitsofPZPnetwork.Atfirst，thisPaPerintrodueestherelatedeone即tsofinternetwormandPZPworm，andsurveysthePrineiPleofintemetwormdefensetechnologyandexistedPZPwormdefensetechnology.Basedontheabovework，themaincontributionofthisPaper15designingtheReaetiveAnti一wormBasedAdaptiveDefensePolie

4、y(RABADP)byimProvingnormalreaetiveAnti一worms，andProPosingtheDistributedRegionBasedDefensePoliey(DRBDP)inordertoovercomethedisadvantageofRABADP.RABADP15designedontheideaofPZPanti一wormeounteraetPZPvirulentworm.InRABADP，PZPanti一wormisactivatedbyvirulentworms，andadaptivelytransfe币ngtootherP

5、ZPnode，whichdoesn’td即endontheresidentPlaeeofPZPanti一wormandovereomesthenetworkoverloadofactiveanti一worm，hiRABADP，PZPanti一wormeaninlrnunemorePZPnodeinshorttimeundermorestrongeontrolment.ThisPaperresearchesandanalyZestheRABADPbyv硕oussimulationexPerimentsfromtheasPeetsofnctworktoPology，ini

6、tialPZPanti一wormrate，initialPZPanti一wormresidentPlace，PZPanti一wormTTLandthewormattackability.ThePerformaneesofsimulationexPerimentsresultsshowthatRABADPhasgooddefenseabilitywithlownetworkeonsumPtion，buthighre一irn们nunenetworkconsumPtion.DRABA15designedontheideaofregiondetection，regionimm

7、uneandregiondefense.InDRABA，defenseregion15eonstrIJctedbyregionleader.OrdinarynodesaetivelyaPPlytojoindefenseregionandareseleetedasdetectornodeunderdefinite111‘2Abstractstate.ThisPaperalsoresearehesandanalyZestheDRABAbyvarioussimulationexPerimentsfromtheasPectsofthedefensePolie