An attack using every possible input to attempt to produce the correct output. Typically the method of last resort when no weakness allows the use of a more restricted input set. E.g. trying all possible (or likely) passwords, in an attempt to guess the correct one.

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Distributed IMAP-Dictionary-Attack-Tool?

I have a client with a hacked IMAP-Account, and the attacker(s) made thousands of password-attempts, probably with a fixed set of passwords, from different IPs before they got in. After successful ...
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51 views

Why is the brute force search time for hashing algorithms 2^(num_bits / 2)?

I noticed that the brute force times (the time it takes to find a message that hashes to a given hash) of various hashing algorithms seems to be 2^(num_bits / 2). For example, people say that brute ...
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127 views

Cracking a 6-character alphanumeric password Windows dialog box

To put this problem in context, I have a touch monitor screen whose firmware program is protected by a password. The firmware program is downloaded over RS232 via a Windows utility program provided ...
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46 views

Bruteforce using crunch and Aircrack (custom starting number?)

I'm trying to do a Bruteforce attack on a handshake taken from my wireless network that is not WPS enabled. The reason I'm doing it is because I'm testing how strong a 10 digit phone number is as a ...
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BruteForce on Hydra (Usernames or Password with Special-Chars), letter “Ñ”

I use Hydra with the Web-Form (Http-Post-Form); and I'm trying to use a list of Usernames when some of the nicks contain a letter ñ. For example I have the following account in my list: Username: ...
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Linux Hydra issue - random correct password success

I have an issue with Hydra when i use it. First let me inform that, i read multible guides, tries the excact same command lines as in guides directly supported by the Damn Vulnerable Web Application ...
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184 views

Testing Basic Authentication with ncrack

I'm conducting some basic pen testing against a page protected with Basic Authentication. I've sucessfully tested with Medusa and Hydra but am struggling to get the syntax correct for ncrack. the ...
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386 views

Brute-Force/Dictionary attack against encypted file using PBKDF2 key derivation

I have been following this very useful post by Thomas. My use case is slightly different. I am developing a mobile application which requires some sensitive data to be stored on the device in a SQLite ...