Re: VNC challenge/response

[Tim <tim-pentest () sentinelchicken org>]

> I sniffed an unencrypted VNC session between my test machines. I
> noticed that a challenge
> (\337n\304KG\311\021\302\344\246\333i\375\324\316\341) sent from the
> server and the response (h\374\215d\306\207B\n^\243d]\222(j\242) from
> the client. I know the password because it was set by me but I was
> wondering what format the challenge/response is in and how to reverse
> it?

VNC was open sourced long ago.  You can obtain many implementations of
the same hashing if you look around for them.  IIRC, the hashing is
pretty weak.

tim

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