Date: Tue, 7 Feb 2023 03:20:08 +0100 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: Hash format identification problem Hello Johny, It is unlikely that a 32 hex characters hash is actually an LM hash, unless it's seen in a proper field in a PWDUMP format file. So it's unfortunate that we detect such strings as LM hashes, which we do for historical reasons only - the only hash type with such encoding that JtR core aka non-jumbo supported happened to be LM. JtR jumbo supports many other hashes that are also commonly encoded as 32 hex characters. Raw MD5 is one of those, and is a likely guess. JtR jumbo also makes and prints such possible guesses, in the form of "Warning" messages with suggested "--format" options to use. You probably had a bunch of those messages printed before the "Loaded ..." line. You can give those different options a try, perhaps starting with "--format=raw-md5". Then there's MDXfind, a third-party password cracker originally focusing on cracking such hashes where the exact type is not known. With it, you wouldn't need to guess the hash type in advance - rather, it can test password guesses along with hash type guesses at once. However, I think it's still closed source, so I haven't tried it out myself. I hope this helps. Alexander On Mon, Jan 30, 2023 at 02:46:33PM +0100, Johny Krekan wrote: > Hello, I Need a small help with identifying correct hash kind. > After passing following hash to John: > 9c9826dd4f78cfbbed9b01a7fb282d67 > I Got following response: > Loaded 2 password hashes with no different salts (LM DES [128/128 BS SSE2]) > > Do you think that this detection is good? Why some online hash analyzers > reported to me it as MD5? > Any way what options would you use to test security of this hash? > > > Thanx for advice. > > > > > --- > New Outlook Express and Windows Live Mail replacement - get it here: > https://www.oeclassic.com/ > > > Johny
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