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01.20.2003 at 08:27AM PST, ID: 20465657

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6.4

Windows xp administrator password forgottem

Zone: Miscellaneous Security

Tags: password, xp, windows

I forgot my adminstrator password and now i can't log into my account, i called the help people but they aren't allowed to hack into my computer, how do i find out or change my password, before tom.?

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Question Stats

Zone: Security

Question Asked By: somthingscary

Solution Provided By: CrazyOne

Participating Experts: 26

Solution Grade: A

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01.20.2003 at 08:41AM PST, ID: 7761822

CrazyOne:

See if this helps

Most of these are bootable floppies that give you a backdoor to the SAM registry hive and allows you change the admins password.

---------------------------------
Free stuff

Instructions
http://home.eunet.no/~pnordahl/ntpasswd/bootdisk.html
image files
http://ntpass.blaa.net/bd011022.zip (1.4MB - Bootdisk image, date 011022)
http://ntpass.blaa.net/sc011022.zip (~700KB) - SCSI-drivers (011022)
This is a utility to (re)set the password of any user that has a valid (local) account on your NT system, by modifying the crypted password in the registrys SAM file.
http://home.eunet.no/~pnordahl/ntpasswd/
image writer
http://home.eunet.no/~pnordahl/ntpasswd/rawrite2.zip

Another one
Change administrator password on NT/2000, without knowing it!!! Bootdisk...
http://www.thomasmathiesen.com/itak/html/software.html
image file
http://www.thomasmathiesen.com/filez/sw/external/linuxbootimage.zip
image writer
http://www.thomasmathiesen.com/filez/sw/external/imagewriter.zip

Another one
Offline NT Password and Registry Editor
http://www.pc-pipeline.com/modules.php?op=modload&name=Downloads&file=index&req=viewdownload&cid=3

Download it here
http://www.pc-pipeline.com/modules.php?op=modload&name=Downloads&file=index&req=getit&lid=6

Run it to create a boot floppy then follow the instructions. If you choose to do this then you are doing this at your own risk. Just change the admin pw and login then change the account pw's that you desire.

Make sure you have a floppy disk in the floppy drive and let the program create the boot floppy. Now restart the machine a let it boot from the floppy. Now follow what it instructs you to do.

Use it like a bootdisk.

Another one
NTFS/FAT Boot disk for password recovery/reset
http://www.pchelplive.com/modules.php?name=Downloads
----------------------------------
NTAccess can replace the administrator password of a Windows XP, Windows NT or Windows 2000 system by rebooting the computer with a special set of boot disks or CD-ROM (XP only). This is useful if you forgot the administrator password and cannot access the Windows XP/2000/NT system.
http://www.sunbeltsoftware.com/product.cfm?id=265

LC3 - The Password Auditing and Recovery Application

LC3 is the latest version of the award-winning password auditing and recovery application, L0phtCrack. It provides two critical capabilities to Windows® network administrators:
Free 15 day trial
http://www.atstake.com/research/lc3/index.html

L0phtCrack, The integrated password cracker for NT
http://www.securiteam.com/tools/L0phtCrack__The_integrated_password_cracker_for_NT.html
Locksmith
http://www.winternals.com/products/repairandrecovery/locksmith.asp

Windows XP / 2000 / NT Key is a program to reset Windows XP / 2000 / NT security if Administrator password, secure boot password or key disk is lost.
http://www.lostpassword.com/windows-xp-2000-nt.htm

Or you could, if you have a FAT32 file system, just boot to a Win98 bootdisk and rename the SAM file (registry Hive) in the C:\WINNT\system32\config folder to something else. Of course this will remove all accounts on the system and you will need to rebuild them. If you are using NTFS then boot to the Win2000 CD and do this from the Recovery console.

For XP
Windows XP Tip: Password Recovery Disk
Take preventive measures against losing user-level passwords
http://www.techtv.com/callforhelp/answerstips/story/0,24330,3356093,00.html

The Crazy One

Accepted Solution

01.21.2003 at 07:38AM PST, ID: 7771111

Rank: Master

SunBow:

> aren't allowed to hack into my comput

Correct. Such hacking can innocuously destroy parts of the system, and it won't be apparent until later when you think you have a virus.

Take your XP CD and simply start the Install process over. You'll find it takes less time than trying to learn how to be a hacker.

During the install you should note other security options for administration purposes that you should also attend to. Odds are pretty good the system was not secured well or updated.

Do add the service pack for XP, and all relevant drivers prior to plugging back into the internet.

Assisted Solution

01.21.2003 at 08:02PM PST, ID: 7776750

anovickis:

I can't believe how many people ostentatiously suggest that reinstalling XP is a viable alternative.

Have you any idea how many installed programs need to be reinstalled and reconfigured ???????

XP (microsoft) has given absolutely 0 thought to this in a consumer friendly environment.

Almost makes me want to de-microsoft most of my hardware.

11.26.2003 at 11:11PM PST, ID: 9830039

zenlion420:

No comment has been added lately, so it's time to clean up this TA.
I will leave the following recommendation for this question in the Cleanup topic area:

SPLIT: CrazyOne{7761822} & SunBow{7771111}

Please leave any comments here within the next seven days.
PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!

zenlion420
EE Page Editor

12.03.2003 at 02:37PM PST, ID: 9870478

SpazMODic:

Forced accept

SpazMODic
EE Moderator

02.21.2004 at 12:41PM PST, ID: 10422151

jdissues:

well, what you need to do is
1.download NTFSDOS
2. now format your floppys to a boot disk and extract NTFSDOS on it
3. put it into your computer, than start the computer
4. you computer will load up in NTFSDOS and you now need to make directoy in dos
4. than go to C:/WINNT/system32/config and than copy the sam file to your new directory also in the same folder copy a file called system
5. you now need to download a bunch of programs. these programs are; LC4 or also called l0ftcrack, PWdump3, and Sam Inside.
6. open up sam inside and import sam and system.
7. now export them to a pwdump file.
8. import the pwdump file in LC4.
9. decrypt it, this could take an extreemly long time, depending on the speed of your computer, on an AMD athlon 2400 or a pentium 4 2.4 GHz it will go at about 5 million keys per second and take about 4 hours.
10. when all that is done you got your password

hope this helps |--Codac X--|

06.04.2004 at 02:32AM PDT, ID: 11230840

Mwenda3:

If you are a good Linux Developer, you can use the Linux boot floppy and then edit the SAM file found in the C:/WINNT/system32/config folder This does not matter if you have an NTFS partition or FAT/16/32.

07.07.2004 at 04:28PM PDT, ID: 11497486

mgbyrne2004:

*** advertising removed by Netminder, Site Admin ***

07.08.2004 at 08:53AM PDT, ID: 11503373

Scott659:

See if this helps

Most of these are bootable floppies that give you a backdoor to the SAM registry hive and allows you change the admins password.

LC3 is the latest version of the award-winning password auditing and recovery application, L0phtCrack. It provides two critical capabilities to Windows® network administrators:
Free 15 day trial
http://www.atstake.com/research/lc3/index.html

Scott
http://www.avidware.net/MAS-90-Consultant.asp

07.23.2004 at 02:35PM PDT, ID: 11625518

reverselogic:

depending on how strong a password you chose it could take weeks or even months to brute-force it, the easiest way to do this is to get out your dos boot disk, navigate to the appropriate folder (C:\WINDOWS\SYSTEM32\CONFIG) then type the following command
**before you do this note that it will reset all the passwords and remove all of the accounts**

REN C:\WINDOWS\SYSTEM32\CONFIG\SAM AAA (you can rename it to any three letter word) then you can delete it
DEL C:\WINDOWS\SYSTEM32\CONFIG\AAA (it doesn't really matter you can leave it there if you want)

This works for windows 2000 anyway, i'm not entirely sure of the WINDOWS XP default passwords i assume they are just Administrator and guest both with blank passwords. By the why LC5 is the latest version of l0phtcrack it also costs a lot of money, (if you are not a network admin etc.)you'd be better off with cain and abel (www.oxid.it)
in order to use a brute-forcer or password cracker you are going to need to get a copy of the sam and system files, the problem is that when you are in windows mode the sam and system files cannot be accessed the solution to this is to boot in an alternate operating system, you could use MS-DOS but the problem is that the system file is around 2/3 megabytes and will never fit on a floppy disk (that's not entirely true, you could compress it) also if you have a second hard drive lying around you could try copying the files you need to that.
In my opinion the best way to do this is to use a linux live distro. This is an entire operating system that fits on a single cd, it also boots from the cd so there is no need to install or partition your hard-drive, i recomment knoppix, it can be downloaded from www.linuxiso.org for free naturally. once you have knoppix you can put it into your computer and reboot, then open up your windows partition, navigate to C:\WINDOWS\SYSTEM32\CONFIG then copy the SAM and system file to a flash drive. Once you have done that you can go to another computer running windows, get a copy of SAMinside this is a program that breaks the syskey protection that prevents you from accessing the SAM file (by the way you don't need the full version of SAMInside you can just copy the LM and NT hash to a text file in the following format. USERNAME:500(may not be 500):LMHASH:NTHASH::: then you can import it into a password cracker, or you could use this site: http://sarcaprj.wayreth.eu.org/ you just put your nt and lm hash into the boxes provided along with you email, your password will be cracked within a few hours, well it'll only take a few minutes for it to b cracked but the password has to be sent to you as well etc. The reason that this is so fast is that it uses rainbow tables which are precomputated hashes. By the way if you didn't pick a secure password eg. a dictionary word or a password with less 7 characters and only one character set i would advise you to run a dictionary attack and a brute-force yourself before using the link above. hope this helps :)

09.16.2004 at 11:27PM PDT, ID: 12081778

adam1213:

If you have a user with admin rights got to: control panel Administrative Tools, computer management, local users and groups, users, right click administrater, select set password, proceed, enter the password, confirm it and click ok.

There is a program that goes on a floppy disk and will reset the password but it may screw your computer up

from knoppix (linux on a cd) is free and can be downloaded copy the sam file to a floppy disk, usb flash drive or network place.
Use a program like lc5 to crack it

09.18.2004 at 09:22PM PDT, ID: 12094237

Xygus:

hacking FUN!

10.12.2004 at 07:35AM PDT, ID: 12287458

Mikeny961:

Although this can legally be determined as Illegal, there are times when administrators must get into a machine when all the passwords have been changed. I do not believe that the tone of this forum is to do illegal things, just administraive tasks, so Robnhood, chill out man!!!

10.12.2004 at 07:51AM PDT, ID: 12287655

Robnhood:

My comment was directed very specially at someone who at first glance appeared to be looking for the imformation in an unethical fashion.

10.12.2004 at 07:56AM PDT, ID: 12287712

Mikeny961:

Robnhood - I ap[ologize for the comment, I did not see that and I should have read your comments above. Thank you for replying and watching out for everyone else!!

10.12.2004 at 05:16PM PDT, ID: 12293475

Robnhood:

No problem.

10.12.2004 at 05:43PM PDT, ID: 12293652

curriegrad2004:

There is an alterntive, but you might lose all of your data.. The solution is to re-install it.

10.12.2004 at 11:39PM PDT, ID: 12295186

adam1213:

Instructions
http://home.eunet.no/~pnordahl/ntpasswd/bootdisk.html

image files
http://ntpass.blaa.net/bd011022.zip (1.4MB - Bootdisk image, date 011022)
http://ntpass.blaa.net/sc011022.zip (~700KB) - SCSI-drivers (011022)
This is a utility to (re)set the password of any user that has a valid (local) account on your NT system, by modifying the crypted password in the registrys SAM file.
http://home.eunet.no/~pnordahl/ntpasswd/

image writer
http://home.eunet.no/~pnordahl/ntpasswd/rawrite2.zip

Another one
Change administrator password on NT/2000, without knowing it!!! Bootdisk...
http://www.thomasmathiesen.com/itak/html/software.html

image file
http://www.thomasmathiesen.com/filez/sw/external/linuxbootimage.zip

image writer
http://www.thomasmathiesen.com/filez/sw/external/imagewriter.zip
--------------------------------------

Another one
http://www.pc-pipeline.com/modules.php?op=modload&name=Downloads&file=index&req=getit&lid=6

Run it to create a boot floppy then follow the instructions. If you choose to do this then you are doing this at your own risk. Just change the admin pw and login then change the account pw's that you desire. Make sure you have a floppy disk in the floppy drive and let the program create the boot floppy. Now restart the machine a let it boot from the floppy. Now follow what it instructs you to do.

Use it like a bootdisk.

----------------------------------
NTAccess can replace the administrator password of a Windows XP, Windows NT or Windows 2000 system by rebooting the computer with a special set of boot disks or CD-ROM (XP only). This is useful if y