Senin, 14 Januari 2013

Reset Password Windows 7 dengan Linux Ubuntu


Pernahkan anda mengalami tragedi lupa password untuk login ke windows 7 anda? sebelum melakukan install ulang bisa dicoba dengan menggunakan tools disistem linux ubuntu yg bernama chntpw, syarat utamanya adalah anda paham sedikit tentang CLI Linux dan mempunyai LiveCD Linux Ubuntu (versi sembarang).

Langkah yg bisa anda lakukan adalah :
1. Booting PC /Laptop dengan menggunakan LiveCD Linux Ubuntu
2. Pilih Menu Jalankan Linux Ubuntuk tanpa installasi.
3. Di Dekstop pada menu Places Pilih Drive Windows untuk System supaya bisa dimount.
4.  Update repository dengan cara : root@ubuntu: apt-get update
5. Install paket chntpw dengan cara : root@ubuntu: apt-get install chntpw dan biarkan proses installasi sampai selesai.
6..  Masuk ke CLI di Application — Accessories — Terminal dan pilih : /Windows/System32/config dengan cara :
root@ubuntu: cd /media/[nama partisi windows /Drive C:]/Windows/System32/config
7. Lihat user yg ada di windows nya dengan menjalankan :
root@ubuntu:/media/187823A87823839A/Windows/System32/config# chntpw -l SAM
chntpw version 0.99.5 070923 (decade), (c) Petter N Hagen
Hive name (from header): <\SystemRoot\System32\Config\SAM>
ROOT KEY at offset: 0×001020 * Subkey indexing type is: 666c
Page at 0xf000 is not ‘hbin’, assuming file contains garbage at end
File size 262144 [40000] bytes, containing 6 pages (+ 1 headerpage)
Used for data: 247/52256 blocks/bytes, unused: 9/4896 blocks/bytes.
* SAM policy limits:
Failed logins before lockout is: 0
Minimum password length        : 0
Password history count         : 0
| RID -|———- Username ————| Admin? |- Lock? –|
| 01f4 | Administrator                  | ADMIN  | *dis/lock*  |
| 01f5 | Guest                          |        | dis/lock |
| 03e8 | totti                          | ADMIN  |  *dis/lock*        |
Di menu atas untuk user Administrator dan totti dalam status dis/lock -disable/lock, nah untuk bisa diedit silahkan di enable dulu dengan memilih no 4 pada menu :
- – - – User Edit Menu:
1 – Clear (blank) user password
2 – Edit (set new) user password (careful with this on XP or Vista)
3 – Promote user (make user an administrator)
4 – Unlock and enable user account [seems locked ]
q – Quit editing user, back to user select
setelah itu jalan kan perintah : chntpw -u Administrator SAM untuk merubah password administratornya.
root@ubuntu:/media/187823A87823839A/Windows/System32/config# chntpw -u Administrator SAM
chntpw version 0.99.5 070923 (decade), (c) Petter N Hagen
Hive name (from header): <\SystemRoot\System32\Config\SAM>
ROOT KEY at offset: 0×001020 * Subkey indexing type is: 666c
Page at 0xf000 is not ‘hbin’, assuming file contains garbage at end
File size 262144 [40000] bytes, containing 6 pages (+ 1 headerpage)
Used for data: 247/52256 blocks/bytes, unused: 9/4896 blocks/bytes.
* SAM policy limits:
Failed logins before lockout is: 0
Minimum password length        : 0
Password history count         : 0
| RID -|———- Username ————| Admin? |- Lock? –|
| 01f4 | Administrator                  | ADMIN  | *BLANK*  |
| 01f5 | Guest                          |        | dis/lock |
| 03e8 | totti                          | ADMIN  |          |
———————> SYSKEY CHECK <———————–
SYSTEM   SecureBoot            : -1 -> Not Set (not installed, good!)
SAM      Account\F             : 0 -> off
SECURITY PolSecretEncryptionKey: -1 -> Not Set (OK if this is NT4)
Syskey not installed!
RID     : 0500 [01f4]
Username: Administrator
fullname:
comment : Built-in account for administering the computer/domain
homedir :
User is member of 1 groups:
00000220 = Administrators (which has 2 members)
Account bits: 0×0210 =
[ ] Disabled        | [ ] Homedir req.    | [ ] Passwd not req. |
[ ] Temp. duplicate | [X] Normal account  | [ ] NMS account     |
[ ] Domain trust ac | [ ] Wks trust act.  | [ ] Srv trust act   |
[X] Pwd don’t expir | [ ] Auto lockout    | [ ] (unknown 0×08)  |
[ ] (unknown 0×10)  | [ ] (unknown 0×20)  | [ ] (unknown 0×40)  |
Failed login count: 0, while max tries is: 0
Total  login count: 4
** No NT MD4 hash found. This user probably has a BLANK password!
** No LANMAN hash found either. Sorry, cannot change. Try login with no password!
- – - – User Edit Menu:
1 – Clear (blank) user password
2 – Edit (set new) user password (careful with this on XP or Vista)
3 – Promote user (make user an administrator)
(4 – Unlock and enable user account) [seems unlocked already]
q – Quit editing user, back to user select


Terima Kasih.. semoga bermanfaat...

referensi  : http://dobelden.wordpress.com/2010/06/05/reset-password-windows-7-dengan-linux-ubuntu/


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