Re: Key Loggers

["Al Sez" <aer () efn org>]

How about a search on all files that have been updated in the last, say,
five minutes?

Al

----- Original Message ----- 
From: "Eric Hagen" <eric () sandpile net>
To: "Ivan Hernandez" <ivan.hernandez () globalsis com ar>
Cc: <s7726 () yahoo com>; "Security-Basics" <security-basics () securityfocus com>
Sent: Sunday, October 26, 2003 11:21 AM
Subject: Re: Key Loggers


> > I would first (in doubt) disconnect the machine from the network and
> > start analysing the traffic, then search for any changing file each
> > time you press a key !
> > also writing a strange word and searching for it can be useful sometimes
> > ivan hernandez
>
>
> Well, I would say that if it's not sent directly to the network, it's
> probably saved in an encrypted format.  There aren't too many keyloggers
> that would save their files in plaintext.  The trick is that saving the
> file in plaintext means that it comes up as a search result EVERY time
> you shearch for text (because you have to type the search string in
> order to search!!).
>
> I've done a bit of research in this topic, but have yet to find anything
> solid.  There are some anti-keylogger countermeasures, but they are
> mostly based on signature detection.  There are some that monitor for
> running processes watching the keyboard buffer, but the word is that
> kernel hooks are almost impossible to detect in software.   Again, I'm
> no expert, but this is what I"ve found while reading about the topic.
> The only way I can think of detecting it is to both watch the network
> traffic AND watch the I/O traffic to the disc.
>
> Eric Hagen
>
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