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Thread: chntpw does not works

  1. #1
    Just burned his ISO
    Join Date
    Oct 2011
    Posts
    1

    Default chntpw does not works

    Hy,
    I'm using Backtrack->Privilege Escalation->Password Atack->offline atack->chntpw
    After that are show me a console pronpet at \pentest\password\chntpw# with a help how using a chntpw.
    when I type chntpw is give me a message "chntpw not instaled, use apt-get....'.
    when use apt-get give that chntpw is already instaled.
    realy, when ty ls the chntpw is show me at folder but i can run it.

    Did I make any wrong?

    thanks!

  2. #2
    Moderator g0tmi1k's Avatar
    Join Date
    Feb 2010
    Posts
    1,771

    Default Re: chntpw does not works

    Because the file isn't an a executable folder, (e.g. env | grep PATH), its not able to to be executable globally.
    Try adding ./ in front of it, to use the current folder.
    Code:
    root@bt:/pentest/passwords/chntpw# chntpw
    The program 'chntpw' is currently not installed.  You can install it by typing:
    apt-get install chntpw
    You will have to enable the component called 'universe'
    root@bt:/pentest/passwords/chntpw# ./chntpw
    chntpw version 0.99.6 100627 (vacation), (c) Petter N Hagen
    chntpw: change password of a user in a NT/2k/XP/2k3/Vista/Win7 SAM file,
    or invoke registry editor. Should handle both 32 and 64 bit windows
    chntpw [OPTIONS] <samfile> [systemfile] [securityfile] [otherreghive] [...]
     -h          This message
     -u <user>   Username to change, Administrator is default
     -l          list all users in SAM file
     -i          Interactive. List users (as -l) then ask for username to change
     -e          Registry editor. Now with full write support!
     -d          Enter buffer debugger instead (hex editor), 
     -t          Trace. Show hexdump of structs/segments. (deprecated debug function)
     -v          Be a little more verbose (for debuging)
     -L          Write names of changed files to /tmp/changed
     -N          No allocation mode. Only (old style) same length overwrites possible
    See readme file on how to get to the registry files, and what they are.                                                                                                                                                               
    Source/binary freely distributable under GPL v2 license. See README for details.                                                                                                                                                      
    NOTE: This program is somewhat hackish! You are on your own!                                                                                                                                                                          
    root@bt:/pentest/passwords/chntpw#
    Have you...g0tmi1k?

  3. #3
    Just burned their ISO
    Join Date
    Dec 2012
    Posts
    3

    Default Re: chntpw does not works

    Hello,

    I tried to reset my Windows 7 passwort today with Backtrack 5 R3.
    It's neither on the KDE 64 Bit ISO nor my installed KDE 64 Bit VMWare (updated) have chtnpw in /pentest/passwords/...

    Is there a reason it has been removed?

    David.

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