Does anyone have an example of a script like you mention...I'ev been playing
with everything, apparently not.
Thanks for all the replies so far,
Nick
-----Original Message-----
From: Ramsdell, Scott [mailto:sramsdell@stinsonmoheck.com]
Sent: Friday, January 20, 2006 1:28 PM
To: Nick Duda; security-basics@securityfocus.com
Subject: RE: Windows Log
Nick,
EventIDs and LogonTypes generated for different types of successful logons:
1. Interactive console logons (at the keyboard, or through KVM) generate
EventID 528 and LogonType 2. This is recorded on the local workstation or
server.
2. Interactive logons resuming from a password protected screen saver generate
EventID 528 and LogonType 7. This is also recorded on the local box.
3. Logging off generates EventID 538 with LogonType 2 or 7 depending on if the
user logged out of Windows (2) or the screen saver came on (7).
4. Users logging into the domain generate EventID 540 LogonType 3 on the
domain controller. This indicates a successful logon across the network to a
shared resource such as the SYSVOL and netlogon shares to process GPOs and read
scripts.
5. Users logging out of the domain disconnect from SYSVOL and netlogon, so
this generates EventID 538 LogonType 3 on the DC.
LogonType 2 = interactive (keyboard or KVM)
LogonType 3 = across the network
LogonType 7 = screen saver
VBScript can query machines for those events using WMI. For what you want, you
will have to query each of your DCs for EventID 540 LogonType 3 events.
Alternatively, in an AD environment you can monitor logon and logoff through
GPOs. Simply write a script that dumps username, workstation and time to a
centrally located repository. Then assign that script in a GPO under "User
Configuration\Windows Settings\Scripts\Logon" and "User Configuration\Windows
Settings\Scripts\Logoff".
As "List Spam" points out below, you don't want to limit the logging your DC
collects, you might need it for something else. Simply query for what you
need, or dump what you need.
Regards,
Scott
-----Original Message-----
From: Nick Duda [mailto:nduda@VistaPrint.com]
Sent: Thursday, January 19, 2006 8:56 AM
To: security-basics@securityfocus.com
Subject: RE: Windows Log
To continue this topic, I'm faced with the same thing....
The problem is that with all these event id's 672, 673, 540...etc there is
still no positive way to say , when a user logged on (via cntrl,alt delete) and
logged off, as in shutdown or log off.
My goal, is to use syslog or some other form of monitoring to keep records of
each employees logon/logoff of a PC physically on the network. I've been knee
deep into all these event id's and nothing is accurate.
Please help.
-----Original Message-----
From: List Spam [mailto:listspam@gmail.com]
Sent: Tuesday, January 17, 2006 10:08 AM
To: security-basics@securityfocus.com
Subject: Re: Windows Log
There are many types of logins that can be performed in an an AD
environment. Among these are full desktop logins by a user (aka
interactive login), non-interactive network logins (e.g. mount a
share), computer accounts authenticating to the domain, etc.
I would venture a guess that you don't want to disallow the ability to
log other security events, but want to easily find login events of
some type (see above) without having to wade through the full set of
logged data. If this is the case, you could simply filter the logs to
show the event id that is specific to the action you are looking to
see.
You could use the built-in "Event Viewer" application for it,
EventCombMT (Google it), one of the resource kit log dumping
utilitities, VBScripts, or just about anything else to export this
info. Some VBScript examples are below:
http://www.microsoft.com/technet/scriptcenter/scripts/logs/eventlog/defaultmspx
I dare say that if you're trying to audit security on a box, you don't
want to hack up the data collection facility, but want to simply get
better use from that data.
My two cetns.
On 1/16/06, Rod <rod.rio@gmail.com> wrote:
Hi all,
I have a Win2k Server, who is my Domain Controller, and I'd like it to
log only the LOGON/LOGOFF events. I know that there are a whole class
of logon/logoff events, but I´d like to log only when a user logon
into a machine in the domain.
Hope I was clear... thx
--
Rodrigo M. T. Fernandez
Departamento de Ciência da Computação UFRJ
Grupo de Respostas a Incidentes de Segurança - GRIS UFRJ
www.dcc.ufrj.br | www.gris.dcc.ufrj.br
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