Re: anybody know good service for cracking md5?

[T Biehn <tbiehn () gmail com>]

Rainbowcrack-Online was doing precomp dictionary attacks in conjunct
with rainbowtables in 2k5.
The hype spike for RC tables was back in 2k4.

You're off by 5 years Christian.

-Travis

On Thu, Feb 4, 2010 at 7:21 AM, McGhee, Eddie <Eddie.McGhee () ncr com> wrote:
> Are you serious? People have been using rainbow tables for years mate.. and
> they are rather widely used.. no need to replace useful with anything, the
> statement was plain wrong..
> ________________________________
> From: full-disclosure-bounces () lists grok org uk
> [mailto:full-disclosure-bounces () lists grok org uk] On Behalf Of Christian
> Sciberras
> Sent: 04 February 2010 12:06
> To: Anders Klixbull
> Cc: full-disclosure () lists grok org uk; Valdis.Kletnieks () vt edu
> Subject: Re: [Full-disclosure] anybody know good service for cracking md5?
>
> FINE. Replace "useful" with "widely popular".
>
>
>
>
> On Thu, Feb 4, 2010 at 1:04 PM, Anders Klixbull <akl () experian dk> wrote:
> > lol they have been useful for years son
> > just because YOU never found a use for them doesn't mean noone else has :)
> >
> >
> > ________________________________
> > From: Christian Sciberras [mailto:uuf6429 () gmail com]
> > Sent: 4. februar 2010 13:00
> > To: Anders Klixbull
> > Cc: Valdis.Kletnieks () vt edu; full-disclosure () lists grok org uk
> > Subject: Re: [Full-disclosure] anybody know good service for cracking md5?
> >
> > Uh, in the sense that they are finally becoming actually useful...
> >
> >
> >
> >
> >
> > On Thu, Feb 4, 2010 at 12:58 PM, Anders Klixbull <akl () experian dk> wrote:
> > > seems to be cropping in?
> > > as far as know rainbow tables has been around for years...
> > >
> > >
> > > ________________________________
> > > From: full-disclosure-bounces () lists grok org uk
> > > [mailto:full-disclosure-bounces () lists grok org uk] On Behalf Of Christian
> > > Sciberras
> > > Sent: 3. februar 2010 23:02
> > > To: Valdis.Kletnieks () vt edu
> > > Cc: full-disclosure () lists grok org uk
> > > Subject: Re: [Full-disclosure] anybody know good service for cracking
> > > md5?
> > >
> > > Actually dictionary attacks seem to work quite well, especially for
> > > common users which typically use dictionary and/or well known passwords
> > > (such as the infamous "password").
> > > Another idea which seems to be cropping in, is the use of hash tables
> > > with a list of known passwords rather then dictionary approach.
> > > Personally, the hash table one is quite successful, consider that it
> > > targets password groups rather than a load of wild guesses.
> > >
> > > Cheers.
> > >
> > >
> > >
> > >
> > > On Wed, Feb 3, 2010 at 10:26 PM, <Valdis.Kletnieks () vt edu> wrote:
> > > > On Wed, 03 Feb 2010 23:42:07 +0300, Alex said:
> > > >
> > > > > i find some sites which says that they can brute md5 hashes and WPA
> > > > > dumps
> > > > > for 1 or 2 days.
> > > >
> > > > Given enough hardware and a specified md5 hash, one could at least
> > > > hypothetically find an input text that generated that hash.  However,
> > > > that
> > > > may or may not be as useful as one thinks, as you wouldn't have control
> > > > over
> > > > what the text actually *was*.  It would suck if you were trying to crack
> > > > a password, and got the one that was only 14 binary bytes long rather
> > > > than
> > > > the one that was 45 printable characters long. ;)
> > > >
> > > > Having said that, it would take one heck of a botnet to brute-force an
> > > > MD5 has
> > > > in 1 or 2 days. Given 1 billion keys/second, a true brute force of MD5
> > > > would
> > > > take on the order of 10**22 years.  If all 140 million zombied computers
> > > > on the
> > > > internet were trying 1 billion keys per second, that drops it down to
> > > > 10**16
> > > > years or so - or about 10,000 times the universe has been around
> > > > already.
> > > >
> > > > I suspect they're actually doing a dictionary attack, which has a good
> > > > chance
> > > > of succeeding in a day or two.
> > > >
> > > >
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>
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