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multi-john's Introduction

multi-john

Run John the Ripper, but coordinated on many machines.

Image

Sporadic releases on Docker hub; praktiskt/multi-john:latest.

Helm chart

The easiest way to run it on many machines is to use the Helm chart and run it on Kubernetes. See the helm directory. You could probably play around with the docker-compose.yml too, but I've primarily used it for development.

How it works

multi-john runs a few services:

  • etcd - used to coordinate different workers and log results.
  • worker - Runs john and ships results to etcd.
  • howdy - Small service to expose results. Queries etcd to expose the results.

image

If no workers are started, no active session will be created. Once at least one worker has started, a session is created and workers are able to claim a slot if there are slots available (configured with TOTAL_NODES). If all workers terminate, the session will eventually be deleted (and results purged).

Development

make standalone-etcd
make run # runs *.go

multi-john's People

Contributors

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Stargazers

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Watchers

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Forkers

adamlwalker jz543fm

multi-john's Issues

Be able to recover worker if killed

When a worker is killed, there is no way to recover it. We should be able to recover a worker if it is restarted with the exact same configuration.

State could likely just be pushed to etcd under some prefix when a worker is killed, and similarly a worker should check for existing state when it's started.

"Worker" / "Node" name mashup

Currently, the "worker" is interchangeably used with "node", which is what JtR refers to in through it's flags when running multiple instances of JtR (--node=x/y).

It makes sense to refactor into something else, more concisely. It is very easy to get them mixed up. A node is something that we run for John, whereas a worker is something that multi-john runs (which wraps around a node).

Custom John image

There should be a custom image of John which could allow the project to...

  • build for different architectures
  • build with GPU support
  • build with different versions of John

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