Password Cracking and Brute-Force Tools

Posted in Internet Security Whitepapers, System Hacking

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Brute-force techniques take advantage of rising hardware performance combined with falling hardware cost. This time-memory tradeoff means that it is actually easier to pregenerate an entire password dictionary and execute lookups of password hashes. These pregenerated dictionaries, often referred to as Rainbow Tables, consist of the entire key space for a combination of length and content. For example, one dictionary might consist of all seven character combinations of lower- and uppercase alphanumerics, while another dictionary might consist of nine character combinations of only lowerand uppercase letters. These dictionaries are encrypted with DES, MD5, or whatever target algorithm the user desires.
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Password Cracking and Brute-Force Tools

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