Penetration Testing: RE: AS400 telnet traffic

["Art Cooper" <acooper () pop innerwall com>]

Yeah, That's what I thought.  Gam, in order to look at the EBCDIC, there are 
choices to view it correctly on Ethereal and most other packet capture 
programs/tools.

On Fri, 21 Apr 2006 09:49:11 -0400, McLean, Michael R wrote
> The AS400 does use EBCDIC.
>
> -----Original Message-----
> From: Art Cooper [mailto:acooper () pop innerwall com]
> Sent: Thursday, April 20, 2006 7:12 PM
> To: gamgamus () yahoo com; pen-test () securityfocus com
> Subject: Re: AS400 telnet traffic
>
> If I remember correctly - the AS400 may be encoding EBCDIC and 
> that's why it 
 looks like gobbedly-gook.. I could be wrong, but I 
> think that's it...
>
> On 20 Apr 2006 16:37:33 -0000, gamgamus wrote
> > Hello,
> >
> > I have captured some AS400 telnet traffic with tcpdump on port tcp 23.
> >
> > It seems to be encoded in some way, because I only can see a few 
> > initial cleartext words, like: IBMRSEED, KBDTYPE, CODEPAGE, IBM-
> > 3477. The following stream of words are unreadable with encoding or 
chiper.
> > When I see the dump with Ethereal, the decoded data are like:
> >
> > \000\r\022\240\000\000\004 and goes on...
> >
> > Does anyone known how to decode this capture to get the cleartext form?
> >
> > Thanks in advance,
> >
> > Gam.

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