CUDA Multiforcer – GPU Powered High Performance Multihash Brute Forcer

Posted: 3 December, 2010 in cyber culture, english, new
Tags: , , , , , , , , , ,

The Cryptohaze Multiforcer is a high performance multihash brute forcer with support for per-position character sets, and very good performance scaling when dealing with large hash lists. As an example, on a list of 10 hashes, the Cryptohaze Multiforcer achieves 390M steps per second on a GTX260/216SP@1.24ghz card. On a list of 1.4 million hashes with the same card, performance drops to 380M steps per second. This is the password stepping rate – not the search rate. The search rate is 380M * 1.4M passwords per second!

Platforms

The Cryptohaze Multiforcer supports Windows, Linux, and Mac OS X. An nVidia GPU with CUDA support (8000 series, 9000 series, GTX200 series, GTX400 series) is required for this to function. Additionally, a reasonably modern driver with CUDA support will be required. However, to see good rates, a fairly powerful GPU is required. GTX200 series cards are the lowest recommended cards.

Usage

The Multiforcer takes two files as inputs: the hash file, and the character set file. The hash file is very simple: One hash per line as follows:

Hash input file

C55DC1C662628C7B3B85635A4E96262A
5F4DCC3B5AA765D61D8327DEB882CF99
0040F2ABC2CFF0C8F59883B99AE9FAB6
D41D8CD98F00B204E9800998ECF8427E

The character set file is slightly more complex. For a single character set (the same character set applied to all positions), the character set file is very simple: Just the character set in a file, followed by a newline:

Single charset file (-c parameter)

abcdefghijklmnopqrstuvwzyx0123456789

You can download CUDA-Multiforcer here:

MacOS (Intel Only) – CUDA-Multiforcer-Mac-0.72.tar.bz2
Windows (64-Bit Only) – CUDA-Multiforcer-Windows-0.72.zip
Linux – (32 & 64-Bit) – CUDA-Multiforcer-Linux-0.72.tar.bz2

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