Feb 112012
 

Lets face it, John the Ripper has been around a long time and the reason its been around a long time is because its damn good at cracking passwords.  Yea, hashcat and oclhashcat are great for gpu cracking, but it doesn’t support as many algorithms as JTR.  So, imagine my surprise when I fire up John The Ripper on backtrack 5 64 bit and find out it is using a single CPU.  That is letting a potential 75% of my system sit there wanting to do something.  Luckily the fix is easier than fixing a sandwich.

If you already have jtr installed, you may want to see my john tips article.

First, lets grab the jumbo sourcecode….

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Oct 112011
 

….I can assure you, if I can’t do it in bash, it doesn’t need to be done…..the other side of the argument was, well, bash isn’t multi-threaded…..hahahahaha …..really??? Run this……

#!/bin/bash
 
set -m # Enable Job Control
trap '' 2 # disable ctrl + c so you can't stop this bitch
rand=${RANDOM} # lets find some big random number
 
let POWEROFTWO=${rand}**2 # and since its not big enough, make it ^2
 
	for i in `seq ${POWEROFTWO}`; do # start HUGE num jobs in parallel
		echo "99999999999^99999999999" | bc
		sleep 1 &
	done
 
# Wait FOREVER for jobs to finish cause you can't stop me now nemo
while [ 1 ]; do fg 2> /dev/null; [ $? == 1 ] && break; done