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2. John the Ripper - Wikipedia

   en.wikipedia.org/wiki/John_the_Ripper

   One of the modes John can use is the dictionary attack. [6] It takes text string samples (usually from a file, called a wordlist, containing words found in a dictionary or real passwords cracked before), encrypting it in the same format as the password being examined (including both the encryption algorithm and key), and comparing the output to the encrypted string.

3. How to Recover a Hacked Facebook Account - AOL

   www.aol.com/recover-hacked-facebook-account...

   Here’s how it works: If Facebook notices a log-in attempt from a device or browser that you haven’t previously used, it’ll ask for a password plus a verification code that the site will send ...

4. Password cracking - Wikipedia

   en.wikipedia.org/wiki/Password_cracking

   The purpose of password cracking might be to help a user recover a forgotten password (due to the fact that installing an entirely new password would involve System Administration privileges), to gain unauthorized access to a system, or to act as a preventive measure whereby system administrators check for easily crackable passwords. On a file ...

5. Crack (password software) - Wikipedia

   en.wikipedia.org/wiki/Crack_(password_software)

   The first public release of Crack was version 2.7a, which was posted to the Usenet newsgroups alt.sources and alt.security on 15 July 1991. Crack v3.2a+fcrypt, posted to comp.sources.misc on 23 August 1991, introduced an optimised version of the Unix crypt() function but was still only really a faster version of what was already available in other packages.

6. Ophcrack - Wikipedia

   en.wikipedia.org/wiki/Ophcrack

   Ophcrack is a free open-source (GPL licensed) program that cracks Windows log-in passwords by using LM hashes through rainbow tables.The program includes the ability to import the hashes from a variety of formats, including dumping directly from the SAM files of Windows, and can be run via the command line or using the program’s GUI (Graphical user interface).

7. Rainbow table - Wikipedia

   en.wikipedia.org/wiki/Rainbow_table

   In the simple case where the reduction function and the hash function have no collision, given a complete rainbow table (one that makes sure to find the corresponding password given any hash) the size of the password set |P|, the time T that had been needed to compute the table, the length of the table L and the average time t needed to find a ...

8. Cain and Abel (software) - Wikipedia

   en.wikipedia.org/wiki/Cain_and_Abel_(software)

   Cain and Abel (often abbreviated to Cain) was a password recovery tool for Microsoft Windows.It could recover many kinds of passwords using methods such as network packet sniffing, cracking various password hashes by using methods such as dictionary attacks, brute force and cryptanalysis attacks. [1]

9. Brute-force attack - Wikipedia

   en.wikipedia.org/wiki/Brute-force_attack

   Brute-force attacks work by calculating every possible combination that could make up a password and testing it to see if it is the correct password. As the password's length increases, the amount of time, on average, to find the correct password increases exponentially. [6]