Date: Sun, 31 Jan 2016 19:16:06 -0500 From: Rich Rumble <richrumble@...il.com> To: john-users@...ts.openwall.com Subject: Re: Custom incrementals? On Fri, Jan 29, 2016 at 11:01 PM, japhar81 <japhar81@...il.com> wrote: > I swear I've tried to RTFM, and I'm sorry for what's probably a recurring > question, but I'm totally stumped.. I know the password I'm after is; > 1. 7-11 characters in length > 2. Starts with a letter (may/may not be capital) > 3. Might use $ # @ ! but no other special characters > > Could someone clue me in on how I properly generate and run an incremental > rule for that case? I've been trying to piece it together for hours off > posts on the list and the docs, but I'm still nowhere.. Incremental is a mode, and not really a rule or ruleset. Incremental attempts to "learn" from cracked passwords or known plain-texts. If you wanted to use incremental, you'd want to first feed it a bunch (many thousands if not millions) of passwords. Then incremental will start to use trigraphs to do a smart brute force of passwords. Instead of theses being the first passwords: aaaaab, aaaaac, aaaaad, aaaaae incremental will try these samila, samily, shanne, shanna, angel, anger, samina, saming, shanda etc.. I don't think this is the mode for you to try first. You should try something like this: >7 c $[$#@!] (input length is GT 7, capitalize, append each of these $ # A !) This is what I put in john.conf: [List.Rules:gt7] >7 c $[$#@!] This is what I ran ./john.exe -w=password.lst -rules=gt7 -stdout (you won't use stdout) Password$ Password1$ 123456789$ etc... If you want to look at some of the crazy cool KoreLogic rules in Jumbo you can find some really good stuff in there. What I posted is a very simple rule, and you can create many more. You can also use the --min-length and --max-length switches for keeping the input words between 7-11. -rich
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