Chntpw

Change password of a user in a Windows SAM file.

Installation

  • cd140201.zip (16931 kb)
  • usb140201.zip (16928 kb)
  • Or install from repo.

    sudo apt install chntpw
    

    Usage

    sudo chntpw -i <device>/Windows/System32/Config/SAM
    

    Or cd to folder /Windows/System32/Config

    sudo chntpw -i SAM
    

    Flags

    chntpw version 1.00 140201, (c) Petter N Hagen
    chntpw: change password of a user in a Windows SAM file,
    or invoke registry editor. Should handle both 32 and 64 bit windows and
    all version from NT3.x to Win8.1
    chntpw [OPTIONS] <samfile> [systemfile] [securityfile] [otherreghive] [...]
     -h          This message
     -u <user>   Username or RID (0x3e9 for example) to interactively edit
     -l          list all users in SAM file and exit
     -i          Interactive Menu system
     -e          Registry editor. Now with full write support!
     -d          Enter buffer debugger instead (hex editor),
     -v          Be a little more verbose (for debuging)
     -L          For scripts, write names of changed files to /tmp/changed
     -N          No allocation mode. Only same length overwrites possible (very safe mode)
     -E          No expand mode, do not expand hive file (safe mode)
    
    Usernames can be given as name or RID (in hex with 0x first)
    
    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!
    

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