From: Vladan Todorovic (vladantodorovic@beijing-olympic.org.cn)
Date: Fri Jun 02 2006 - 03:03:11 EDT
I agree with Steven. Only thing that I would add is that you have different
event log monitors. Some of them are not capable of queuing events before
sending. This means that if hacker can plug out network cable from device he
is hacking and when he finishes his job, he will plug in network cable
again, so from your perspective you will not be notified about hack attempt.
Instead of that, there are log monitors that support queuing, so if it is
not capable of sending alarm to the central server immediately, it will
queue it, and send it later when network is available, so you will get the
final information.
Take a look at free log monitor named SNARE:
http://www.intersectalliance.com/projects/SnareWindows/index.html
I hope this helps.
Vladan
-----Original Message-----
From: Steven [mailto:steven@lovebug.org]
Sent: 02 June 2006 10:43
To: Mohamed Abdel Kader; pen-test@securityfocus.com
Subject: Re: Local Admin
Hello,
Let me try a response to your qustion and precursor it with my assumptions
about your environment.
I am assuming that you are currently in an Active Directory (AD) environment
and that your users are local administrators of their own machines once
logged into their domain account. My next guess is that you have a local
administrator account on each machine and this is the one you are interested
in watching.
To the best of my knowledge there is no way to do this through AD. The
local account on the machine is separate from your AD is resides only on the
local installation. The only way that I know of that you could be notified
of a change is if you have some kind of additional log monitor. This could
alert you to password changes (event id 628) or attempted(failed) changes
(event id 627). You might also want to look for account created/deleted
events in your logs as well.
Depending on the size of your environment and number fo your staff I would
not say it's unreasonable or impossible to set administrative BIOS passwords
on all of the machines. This can go a decent way to protecting machines
from being booted from a CD. It of course will not stop a determined
attacker that's in front of the box.
Hope this helps.. just post back if you have more questions.
Steven
----- Original Message -----
From: "Mohamed Abdel Kader" <mak.pen@gmail.com>
To: <pen-test@securityfocus.com>
Sent: Thursday, June 01, 2006 4:58 AM
Subject: Local Admin
> Hello List,
>
> I was wondering if their is a way to monitor if someone changed the local
>
> Administrator, on his/her computer, through an active directory, and how
> can
>
> This be prevented in large organizations. It is not practical to change
> the
>
> Bios password on all of the computer and the boot order and lock the
>
> Machines; at least in this case.
>
>
>
> Thanks all...
>
>
>
>
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