Security Basics mailing list archives

Re: Wardialing - Odd Results


From: Atom Powers <apowers () digipen edu>
Date: Fri, 22 Jul 2005 09:43:32 -0700

I've seen this if the data rate for the system you are dialing in to and the program you are using are not in synch. For instance, if the system you are dialing to is 9600bps and you have your hyperterminal set to 1500bps you will end up getting many duplicate bits, because you are sampling more frequently than you are recieving. The result is garbage like you show below even if the system you are dialing to is responding with ASCII characters.

Ron wrote:

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Hey guys,

Lately, we've been doing a Wardial on our network.  We found some odd
results that weren't identified by PhoneSweep.  So I dialed in with
HyperTerminal and got a lot of "garbage".  I sent a series of "a"'s (I
held down the a button for awhile) and more stuff showed up.

I attached a capture of the session, just in case that helps.  I think
the "FF"'s near the top were what was being echoed back when I was
holding "a".

Is there some obvious setting to change?  Or is there a better program
to dial in with?  I'm guessing that something is off, but I'm not
familiar with using dialup modems.

Thanks,
Ron
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