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9

Jun

2009

Distributed Password Cracking

By IPSECS Admin. Posted in Exploitation, Presentation | No Comments »

Password cracking which uses some computers to accelerate password cracking process. It usually uses computer clusters and some software to support parallel computing. Some known software to do parallel computing in cluster computers are:

  • John The Ripper and Condor, John works as password cracker while Condor works as scheduler which parallelizes cracking proccess and distributes it to clusters.
  • John The Ripper and Djohn, John works as password cracker while Djohn works as client-servers application which parallelizes cracking proccess and distributes it to clusters.
  • Medussa, password cracker which’s originally designed to do parallel password cracking. It contains client servers application to parallelize cracking proccess and distribute it to clusters.
  • John The Ripper with MPI patch, john which’s developed using MPI programming. MPI is standard de facto for parallel programming which’s implemented on some softwares i.e : OpenMPI, MPICH, and LAM/MPI.

Our presentation describes how to do parallel cracking using John The Ripper with MPI patch. We use 15 dual core computers and LAM/MPI in distributing cracking proccess. Download our presentation here.

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