Top 6 password Crackers...

• Cain & Abel

Cain & Abel is a password recovery tool for Microsoft operating systems.

It allows easy recovery of various kind of passwords by sniffing the network, cracking encrypted passwords using Dictionary & Brute-Force attacks, decoding scrambled passwords, revealing password boxes, uncovering cached passwords and analyzing routing protocols...

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• John the RipperJohn the Ripper is free and Open Source software, distributed primarily in source code form...

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• Hydra

Hydra was a software project developed by a German organization called "The Hacker's Choice" (THC) that uses a dictionary attack to test for weak or simple passwords on one or many remote hosts running a variety of different services. It was designed as a proof-of-concept utility to demonstrate the ease of cracking poorly chosen passwords...

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• Aircrack

aircrack suite of tools speed up generation of data packets that are useful for finding the WEP key, using a technique called "arp replay". Without it, cracking is still possible, but will often take several days to gather the needed data...

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• L0phtcrack...

Lophtcrack is used by NT for authenticating users locally and over the network (MS service packs are now out that allow a different method in both cases). L0phtcrack can brute-force these hashes (taken from network logs or progams like pwdump) and recover the plaintext password...

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• AirSnort

AirSnort is a wireless LAN (WLAN) tool which recovers encryption keys. AirSnort operates by passively monitoring transmissions, computing the encryption key when enough packets have been gathered.

AirSnort requires approximately 5-10 million encrypted packets to be gathered. Once enough packets have been gathered, AirSnort can guess the encryption password in under a second...

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