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1、计算机密码破解Whatifthecomputerforgetsthepassword?-Method1-usethe"administrator"(thismethodisapplicabletotheadministratorusernamenot"administrator")-WeknowthatintheprocessofinstallingWindowsXP,thefirstisthe"administrator"defaultlogin,andthenwillbeaskedtocreateanewaccount,inordertoentertheWind
2、owsXPtousethisnewaccountlogin,andalsointheWindowsXPloginscreenwillappeartocreatethisuseraccount,therewillbeno"administrator",butinfact,thereisthe"administrator"account,andthepasswordisempty.-Whenweunderstandit,ifforgetthepassword,theloginscreen,pressCtrl+Altkeys,andthenholddowntheDelke
3、ytwice,canappeartheclassicloginscreen,typein"administrator"atthispointintheusernameandpasswordisempty,thenmodify"zhangbp"password.------------------------------------------------------------------------------------------------------------------------------------------------------------
4、---------------------------------------------------------Method2-removetheSAMfile(notethatthismethodappliesonlytoWIN2000)-WindowsNT/2000/XPinthemanagementofthesafetyoftheuserAccounttousetheSecurityAccountManager(SecurityAccountManager,SAM),themechanismoftheSecurityAccountManageristhrou
5、ghtheSecurityidentityforthemanagementoftheAccount,theSecurityidentityatthetimeofAccountcreationiscreatedatthesametime,oncetheAccounthasbeendeleted,Securityidentityatthesametimealsobedeleted.Thesecurityidentityisunique,evenwiththesameusername,whichiscompletelydifferentfromthesecurityide
6、ntityyougetwhenyoucreateit.Therefore,onceanaccounthasbeenreestablishedbytheusername,itwillalsobegivenadifferentsecurityidentityandwillnotretaintheoriginalpermissions.Thespecificrepresentationofthesecurityaccountmanageristhe%SystemRoot%system32configSamfile.TheSAMfileistheuseraccount
7、databaseforWindowsNT/2000/XP,andalltheuser'sloginnamesandpasswordsarestoredinthisfile.-Knowingthis,oursolutionwascreatedbyremovingtheSAMfileandlaunchingthesystem,whichwouldrebuildaclean,cleanSAMwithnopasswordinit.-However,thissimpleapproachdoesn'tworkinXP,anditmaybethatMicrosoftismak
