03-29-2006
PLEASE NOTE: I do not condone the cracking of other people's passwords for anything other than authorised penetration testing and security analysis.
However, if you have 'forgotten' a password for one of your own boxes and still have telnet/SSH access to the box via another account you could try this:
[Summary]
You'll need an offline copy of /etc/passwd and something to generate hashes against a wordlist or brute-force strings.
[Method]
You could 'cat /etc/passwd' and copy/paste from puTTY to (e.g.) Notepad [I assume you're SSH'ing from a Windoze box since you're using puTTY]
You then need something like John The Ripper, a quick machine, and patience.
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UNAFS(8) System Manager's Manual UNAFS(8)
NAME
unafs - script to warn users about their weak passwords
SYNOPSIS
unafs password-files cell-name
DESCRIPTION
This manual page documents briefly the unafs command, which is part of the john package. This manual page was written for the Debian
GNU/Linux distribution because the original program does not have a manual page. john, better known as John the Ripper, is a tool to find
weak passwords of users in a server.
The unafs tool gets password hashes out of the binary AFS database, and produces a file usable by John.
SEE ALSO
john(8), mailer(8), unique(8), unshadow(8).
The programs are documented fully by John's documentation, which should be available in /usr/share/doc/john or other location, depending on
your system.
AUTHOR
This manual page was written by Jordi Mallach <jordi@debian.org>, for the Debian GNU/Linux system (but may be used by others).
John the Ripper and mailer were written by Solar Designer <solar@openwall.com>. The complete list of contributors can be found in the CRED-
ITS file in the documentation directory.
john June 03, 2004 UNAFS(8)