Re: analysing captured packets

From: Dan Goldberg (dan@madjic.net)
Date: Tue Apr 04 2006 - 09:57:17 EDT


This is a good place to start learning about "what to look for":
http://www.packet-level.com/productsServ.htm#labkit
(I am not affiliated - nor have I been to the training)

Of course the SANS Institutes Intrusion Detection course is a great
place to develop hands on experience with analysis and the mastering
packet analysis course form SANS to.
(I am loosely affiliated with the SANS institute but do not gain
personally from these activities)

Dan

pagvac wrote:
> I know that what I'm gonna say may sound silly, but what I recommend
> you is simply to play with analyzing traffic A LOT. Just watch the
> packets, filter them by protocol, IP address, or whatever you're
> interested in (Ethereal is great for filters). Try to follow different
> protocol "conversations" and try to understand what the requests and
> responses mean.
>
> Good luck on your sniffing experience my friend :-)
>
> Robin Wood wrote:
>
>>>Hi Can anyone give any pointers to good tutorials on how to go
>>>about analysing network traffic captured during a pen-test.
>>>
>>>I'm currently using ethereal but I'm not necessarily looking for an
>>> ethereal tutorial more a howto on what to look for in capture
>>>files. Things like good protocols to spot (e.g. ftp logs in in
>>>plaintext so you can grab login details), how to recognise what is
>>>going on by watching the high level handshakes (e.g. a http get is
>>>usually followed by a response containing html), things like that.
>>>
>>>Thanks
>>>
>>>Robin
>>>
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>
>

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Dan Goldberg
MADJiC Consulting, Inc.
Information Security Services
http://www.madjic.net
--
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