97 lines
2.8 KiB
Groff
97 lines
2.8 KiB
Groff
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.TH CHNTPW 8 "30th May 2002"
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.\" Please adjust this date whenever revising the manpage.
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.\" for manpage-specific macros, see man(7)
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.SH NAME
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chntpw \- utility to overwrite Windows NT/2000 SAM passwords
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.SH SYNOPSIS
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.B chntpw
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.RI [ options ]
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.RI < samfile >
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.RI [ systemfile ]
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.RI [ securityfile ]
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.RI [ otherreghive ]
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.RI [...]
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.br
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.SH DESCRIPTION
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This manual page documents briefly the
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.B chntpw
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command.
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This manual page was written for the Debian distribution
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because the original program does not have a manual page.
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.PP
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.B chntpw
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is a utility to view some information and change user passwords
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in a Windows NT/2000 SAM userdatabase file. It is not necessary to
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know the old passwords to reset them. In addition it contains a
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simple registry editor (same size data writes)
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and hex-editor with which the information contained in a registry
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file can be browsed and modified.
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.SH OPTIONS
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.TP
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.B \-h
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Show summary of options.
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.TP
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.B \-u username
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Username to change. Default is Administrator
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.TP
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.B \-l
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List all users in the SAM database.
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.TP
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.B \-i
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Interactive: list all users (as per \-l) and then ask for the
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user to change.
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.TP
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.B \-e
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Registry editor with limited capabilities.
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.TP
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.B \-d
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Use buffer debugger.
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.TP
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.B \-t
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Show hexdumps of structs/segments (deprecated debug function).
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.SH EXAMPLES
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.TP
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.B chntpw sam system
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Opens registry hives
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.B sam
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and
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.B system
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and change administrator account. This will work even if the name
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has been changed or it has been localized (since different language
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versions of NT use different administrator names).
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.TP
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.B chntpw -u jabbathehutt mysam
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Prompts for password for
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.B jabbathehutt
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and changes it in the
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.B mysam
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registry file, if found (otherwise do nothing)
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.SH SEE ALSO
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If you are looking for an automated procedure for password
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recovery, you might look at the bootdisks provided by the
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upstream author at
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.BR http://home.eunet.no/~pnordahl/ntpasswd/
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.br
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There is more information on how this program works available at
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.IR /usr/share/doc/chntpw .
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This information includes in-depth information on how the
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registry works, what are syskeys and some other issues.
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.SH AUTHOR
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This manual page was written by
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Javier Fernandez-Sanguino <jfs@computer.org>,
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for the Debian GNU/Linux system (but may be used by others).
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