RE: Computer forensics to uncover illegal internet use

["McHenry, Glenn CTO1" <gmchenry () princeton navy mil>]

Are you running a proxy server?  If so, and it's windows based, you can go
to the \winnt\msplogs directory and review the logs there.  That's what we
do here.

Good Luck!

Glenn

-----Original Message-----
From: Edmond Chow [mailto:echow () gettechnologies com]
Sent: Saturday, August 27, 2005 2:23 AM
To: security-basics () securityfocus com
Cc: Edmond Chow
Subject: RE: Computer forensics to uncover illegal internet use



Dear List,

I'm working on the following project and would appreciate your views:

I have been tasked with finding out if a certain desktop computer was used
to view pornographic sites on the internet.  This user has gone to great
lengths to try to mask his illegal activities by erasing cookies, temp.
files and by installing anti-spyware software on his computer.  Are there
any tools that would allow me to still uncover proof that he had accessed
these sites?  So far, the tech department is telling me that he did access
illegal sites on only two dates but I suspect that this illegal activity
started many months or years ago and it will be up to me to find more proof.

Also, at a network level, we know his IP address but yet my technical
support department is telling me that they cannot (either because they don't
want to or because they are not technically capable of) tell me what
internet sites this IP address has accessed in the past.  Logically, there
must be a point in the network (on some piece of hardware) where I can
consult log files to track his activities?  Or, is there a log file that I
can consult that will tell me what sites all my users have accessed and from
what IP address?

In terms of access to the desktop in question, I will have full access as
the computer will be in my possession in the coming days.

Thank-you and any help that you can provide would be most appreciated.

Regards,


Edmond