忘记windows xp登入密码的种解决办法 solutions to forget Windows XP login passwordWord格式文档下载.docx
《忘记windows xp登入密码的种解决办法 solutions to forget Windows XP login passwordWord格式文档下载.docx》由会员分享,可在线阅读,更多相关《忘记windows xp登入密码的种解决办法 solutions to forget Windows XP login passwordWord格式文档下载.docx(8页珍藏版)》请在冰点文库上搜索。
![忘记windows xp登入密码的种解决办法 solutions to forget Windows XP login passwordWord格式文档下载.docx](https://file1.bingdoc.com/fileroot1/2023-4/29/b9321b42-c64f-42f3-9bbb-e081b7d5455f/b9321b42-c64f-42f3-9bbb-e081b7d5455f1.gif)
stopaforgottenpassword"
ontheleftsideofthetasklist,clickthe"
forgotpasswordcanopenthewizard,thewizardwillbepromptedtoinsertaformattedablankdisk,intheprocessofoperationwillletyouentertheaccountpassword,canquicklycreateapasswordresetdisk.
Later,whenweforgetwhentheaccountpassword,withouttheuseof"
Welcomescreen"
logincaselogintotheWindowsXP,pressCtrl+Alt+Delkeycombination,"
Windows"
window,clicktheoptionsinthe"
changepassword"
button,thewindowappearstochangethepassword.Inthiswindow,backupthecurrentuser'
spassword,clickthe"
backup"
buttoninthelowerleftcorner,activatethe"
forgotpasswordWizard"
andcreateapasswordresetdiskaccordingtothehint.
IfthewrongpasswordhasbeenenteredintheWindowsXPloginwindowwillpop-up"
loginfailed"
window,ifyoudowhatisnotuptoyourownpassword,youcanclickthe"
reset"
buttontostartthepasswordresetwizard,byjustcreatingapasswordresetdisk,youcanusethispasswordchangethepasswordresetdiskandbootthesystem.ResetyourpasswordandlogintoWindowsXP.
"
Createapasswordresetdisk"
containingacertainrisk,becauseanyonecanusethisapasswordresetdisktologinWindowsXP,canentertheuseraccountinthenameoftheuser,theusercanoperatealltherealoperation,itmustbe"
passwordresetdisk"
keepinplace,topreventlossorleakage.
Method1-usethe"
Administrator"
(thismethodappliestotheadministratorusernameandnottheadministrator)
WeknowthattheinstallationofWindowsXPprocess,thefirstisthe"
defaultlogin,thencreateanewaccounttoenterWindowsXPusingthisnewaccountlogin,butalsointheWindowsXPloginscreenwillonlyappearintheuseraccountcreation,nota"
butinfactthe"
accountstillexists,andthepasswordisempty.
Whenweunderstandthis,ifyouforgetthepassword,theloginscreen,holddowntheCtrl+Altkey,andthenpresstheDelbuttontwotimes,canappeartheclassicloginscreen,thentypetheusername"
enterthepasswordisempty,andthenmodifythepassword"
zhangbp"
.
Method2-deletetheSAMfile(notethatthismethodappliesonlytoWIN2000)
WindowsNT/2000/XPinthesecuritymanagementoftheuseraccountusingasecurityaccountmanager(SecurityAccount,Manager,SAM)ofthemanagementmechanism,securityaccountmanageronaccountiscarriedoutthroughsafetysigns,safetysignsintheaccountcreationisalsocreated,oncetheaccountisdeleted,securityidentificationalsodeleted.Securityidentifiersareunique,evenifthesameusernameiscompletelydifferentfromeachotherwhentheyarecreated.Therefore,onceanaccountisrebuiltbytheusername,theaccountwillalsobegivendifferentsecuritylabelsandwillnotretaintheoriginalpermissions.Thespecificfeatureofthesecurityaccountmanageristhe%SystemRoot%system32configsamfile.TheSAMfileistheuseraccountdatabaseofWindowsNT/2000/XP,andalltheuser'
sloginnamesandpasswordsarestoredinthisfile.
Knowingthis,oursolutionhasalsobeencreated:
deletingtheSAMfile,startingthesystem,anditwillrebuildaclean,cleanSAMwithnopasswordinside.
However,suchasimpleapproachisnotapplicableinXP,andMicrosoftmaybelimitedtoBUG......SonowintheXPsystem,evenifyoudeletetheSAM,orcannotdeletethepassword,butwillcausethesystemtostartinitializationerror,soastoenterthedeadloop,butcannotenterthesystem!
!
Method3-findthepasswordfromtheSAMfile(premise)......YoucanusetheDOSbasiccommand
Insertbootdiskbeforethesystemstarts,
Entry:
C:
WINNTSystem3ConfigcopiestheSAMfiletothefloppydiskusingtheCOPYcommand.Getanothermachinetoread.HerethetoolisLC4,runLC4,andopenanewtask,andthenclickIMPORTtoImportfromSAMfile"
hastobecracked,opentheSAMfile,thenLC4willautomaticallyanalyzethefile,anddisplaysthefilename;
clickthe"
Session-BeginAudit"
youcanstartcrackpassword.Ifthepasswordisnotverycomplicated,itwillgetresultsinaveryshorttime.
However,ifthepasswordiscomplex,itwilltakealongtime,andthenweneedtousethefollowingmethod.
Method4-overwritewithotherSAMfiles(providedyougettheSAMfileofanothercomputeranditspassword)......Personallythinkitisthemostfeasibleway
1-asmentionedabove,theSAMfileholdstheloginnameandpassword,sowesimplyreplacetheSAMfiletoreplacetheloginnameandpassword.However,the"
origin"
harddiskpartitionformatofthisreplacementSAMfileisthesameasforyoursystem(seeFAT32orNTFS,andyoucanconfirmityourself).The"
ofthebestsystemthereisnopassword,securitysettingsdidnotmove(infact,mostofthepersonalcomputerarelikethis,ofcourse,moreinsurance)wayistoputallthefilesoftheXP[WinNTSystem32Config][C:
WinNTSystem32Config]tocoverthedirectoryinyourXPinstallation(assumingthedefaultpartitioninC:
),
2,ifnottohelpotherpeople(Imean"
if"
),youcanintheotherpartitionintheinstallationofaXPsystem,harddiskpartitionformattothesame,andpleasepayattentiontoyouroriginalXPandmustnotbeinstalledonthesamepartition!
Beforestarting,mustadvancethebackupbootMBR,therearemanymethodstobackupMBR,usingsoftwaretools,suchasantivirussoftware,suchasKV3000.InstalledafterlandingwithAdministrator,andnowyouhavetheoriginalXPabsolutewriteauthority,youcantaketheoriginalSAMdown,andgettheoriginalpasswordwith10PHTCRACK.CanalsoputallthefilesnewlyinstalledXPWinNTSystem32ConfigC:
WinNTSystemtocoverthe32Configdirectory(theoriginalXPerectioninstallationhere),andthenuseKV3000torestorethepreviousandmasterbootMBR,youcanusetheAdministratoridentityonXPnow.
[2,IthinkI'
mintrouble,orNo.1:
it'
sbettertoasksomeoneforhelp......]
[inaddition,saidC:
windowsepairoftheSAMdirectoryistheoriginalversion,youcanuseittocovertheSAMsystem32,soyoucannowdeletethepassword,andreturningtothestartingwheninstallingthesystempassword.Ifthepasswordisempty,isn'
tit?
......]
Method5-useWin2000toinstallCDbootrepairsystem(premise)......Obviously,youhavetohaveanWin2000installationCD
UsetheWin2000installationdisctostartthecomputerintheWndows2000installation,repairselectioninterfaceWindows2000(pressR);
then,choosetousefaultrepairconsole(pressC),thesystemwillscanthecurrentversionoftheWindow2000/XP.Thereisonlyoneoperatingsystem,soonlyoneloginoption(l:
C:
\Windows)islisted.Fromthekeyboard,pressL,andthenenter,thistime,WindowXPdoesnotrequiretheinputoftheadministratorpassword,butdirectlyloggedintotherecoveryconsolemode(ifyouareusingaWindowsXPinstallationCD-ROMboot,theadministratorpasswordinputisrequired.Hereitreferstotheadministratorisasystemofthebuilt-inAdministraoraccount)familiarwithWindowsfriendsallknow,therecoveryconsolewhichcanbeanysystemleveloperations,suchascopy,move,deletefiles,startandstopservice,evenformatted,repartitionofdestructiveoperation.
Testusingcompactdisk:
integratedSP3Windows2000ProessionalsimplifiedChineseversion.
Thesystempassed:
Windows,XP,Proessional,SPI,Windows,XP(FAT32andNTFSfilesystemsarethesame)
[notethat,forvariousreasons,someoftheWindows2000installedCDsonthemarketarenotabletodisplaytheconsoleloginoptions,sotheycan'
texploitthisvulnerability.Atthesametime,duetothelimitationsofthefailureconsolemodelitself,thevulnerabilitycannotbeexploitedfromthenetwork,inotherwords,thisvulnerabilityislimitedtostand-alone.]
Method6-usetheNETcommand(twoprerequisites):
theWINDOWSXPpartitionmustbeloadedwithFAT32filesmallsystem,andthereisnoChinesecharacterintheusername.)
Weknowthatthe"
netuser"
commandisavailableinWindowsXP,whichcanaddandmodifyuseraccountinformation:
Netuser[UserName[Password[options]][/domain]*]
Netuser[UserName{Password/add[options][/domain]*}
Net,user,[UserName,[/delete],[/domain]]
ThespecificmeaningofeachparameterhasbeenexplainedindetailintheWindowsXPhelp.Here,Idon'
telaborateonit.Well,nowlet'
stakethelocaluser'
zhangbq'
passwordasanexampletoexplainhowtoforgettologin:
1.Restartyourcomputer.PresstheF8buttonimmediatelyafterthebootscreenappears.Selectsafemodewithcommandline"
2,attheendoftherun,thesystemliststhesystemsuperuser"
andthelocaluser"
zhangbq"
menu,clickthemouse"
enterthecommandlinemode.
3,typethecommand:
"
netuserzhangbq123456/add"
forcingthe"
user'
spasswordtobechangedto"
123456"
.Tothis,addanewuser(suchasusernameABCDEF,password123456)words,pleaseenter"
netuserABCDEF123456/add"
adding"
netlocalgroupadministratorsABCDEFbythe/addcommanduserswillbeupgradedtothemanagementsyst