full-disclosure - Modifying SSH to Capture Login Credentials from Attackers

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Message-ID: <e52fe1010909291225g44cad9c0i1b972e651efe9f7@mail.gmail.com>
Date: Tue, 29 Sep 2009 12:25:43 -0700
From: "my.hndl" <my.hndl@...il.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Modifying SSH to Capture Login Credentials from
	Attackers

If you've ever had your SSH server dictionary attacked and wondered what
usernames / passwords the attackers were trying...

I've posted detailed instructions on modifying openssh on Ubuntu 9.04 in
order to log username / password attempts made by bots.  This information
can then be used to track down the tools / dictionaries being used against
you, and may even lead to discovery of IRC command & control channels used
by the botnet herders/masters (the topic of my next post).

Full username / password logs included for your enjoyment:
http://paulmakowski.wordpress.com/2009/09/28/hacking-sshd-for-a-pass_file/

Intended for novices interested in honeypots.

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