Top it all off by defining a master rule:ġ password will become 1,240 passwords. The next set of PINs are for dates of the form MMYY: # xyxy where x and y are within 1 of each other Some 4-digit numbers that are low-hanging fruit and hard to program with patterns:Ĭreate some patterns for one-number PINs: I wanna turn this into some John the Ripper rules.įirst, start by defining some rule names. $ for ruleset in `grep KoreLogicRules /etc/john/nf | cut -d: -f 2 | cut -d\] -f 1` do echo $ crackme done Remember that each one of these options could have thousands of password variations that result! Here's a one-liner to list all the commands in the configuragion file, by grepping and cutting. $ john -wordlist=rockyou-10.txt -format=wpapsk -rules=KoreLogicRulesPrependYears crackme Now you can use any of the rules that are listed here ( ) or that you see in the form of in the rules file (just get rid of the List.Rules: part.) Now run this command to add those rules to John's configure file: To install the rules, download that text file. Download an excellent set of John the Ripper rules from KoreLogic security here: īased on the 2010 Defcon Crack Me If You Can contest.
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