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RESOURCE CENTER > CRACKERS

Crack

The Crack program by Alex Muffett. A password-cracking program with a configuration language, allowing the user to program the types of guesses attempted.

Download:
ftp://ftp.jaring.my/pub/cert/tools/crack/

Cracklib

Cracklib is a proactive password security library. It prevents users from choosing passwords that could be guessed by "Crack" by filtering them out, at source.

Download:
http://www.users.dircon.co.uk/~crypto/

John the Ripper

Another version of UNIX password cracker.

Download:
http://www.openwall.com/john/

L0phtCrack

L0phtCrack is an NT password auditting tool. It will compute NT user passwords from the cryptographic hashes that are stored by the NT operation system.The method that it uses to crack passwords are dictionary attack, hybrid crack and brute force.

Download:
http://www.l0pht.com/l0phtcrack/

OPIE

"One-time Passwords In Everything" (OPIE) is a freely distributable software package mostly developed at and for the US Naval Research Laboratory (NRL). OPIE provides a one-time password system for UNIX-like operating systems. The NRL OPIE software is derived in part from and is fully interoperable with the Bellcore S/Key Release 1 software.

Download:
http://inner.net/opie

Passwd+

Passwd+ is a proactive password checker which replaces the system passwd command. It enforces the selection of passwords that are not easily compromised by programs like Crack.

Download:
http://www.ja.net/CERT/Software/passwd+/

Password Appraiser

A new password cracker for Win NT developed by Quakenbush Consulting Inc. Password Appraiser tries to give an answer for password auditing, and enhance network security in the area of password management policy. According to the authors, Password Appraiser is much faster at cracking passwords than l0phtcrack. This, together with its password policy options, can help administrators solve a known and painful problem of weak passwords in the organization.

Download:
http://www.quakenbush.com/download.htm

Xavior

A remote password auditing and recovery tool that allows dictionary or complex brute-force scans. Scripting support allows you to define any plaintext login procedure. Optimised WWW basic authentication scanning.

Download:
http://www.btinternet.com/~lithiumsoft/xavior/Download.html

Yapasswd

Yet another password command for SunOS 4.x and 5.x. No shadow support, uses insecure NIS.

Download:
http://www.ja.net/CERT/Software/yapasswd/

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