Penetration Testing mailing list archives
RE: Local Admin
From: "Vladan Todorovic" <vladantodorovic () beijing-olympic org cn>
Date: Fri, 2 Jun 2006 15:03:11 +0800
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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Current thread:
- Local Admin Mohamed Abdel Kader (Jun 01)
- Re: Local Admin Steven (Jun 01)
- RE: Local Admin Vladan Todorovic (Jun 02)
- Re: Local Admin Billy Beaudoin (Jun 02)
- Re: Local Admin Steven (Jun 01)