[gptalk] Re: Script not applicable for local admin
- From: "Ananth Rajagopal" <ananth.rg@xxxxxxxxx>
- To: gptalk@xxxxxxxxxxxxx
- Date: Tue, 25 Mar 2008 15:37:42 +0530
> Hi Ray,
Its been a long time, but I have some doubts regarding the USB storage
device blocking script. Hope you can help out.
We could never implemented the script yet, as there was a policy change and
USB devices were allowed for all. Now we are planning to implement and we
are in the process testing out policies. And in this regard we have some
queries.
The script is as follows...
Dim WshShell,Retvalue
Set WshShell = CreateObject("Wscript.Shell")
WshShell.RegWrite"HKLM\SYSTEM\CurrentControlSet\Services\USBSTOR\Start",3,"REG_DWORD"
Retvalue = WshShell.run ("%comspec% /c %logonserver%\netlogon\xcacls
%windir%\inf\usbstor.inf /D everyone /T /Y",0,False)
Retvalue = WshShell.run ("%comspec% /c %logonserver%\netlogon\xcacls
%windir%\inf\usbstor.pnf /D everyone /T /Y",0,False)
\\tai2dserver\SYSVOL\Tai2D.ent\scripts\subinacl.exe" /keyreg
\system\currentcontrolset\services\usbstor /deny=system
Set WshShell = Nothing
Wscript.Quit
You had suggested to add the following line to the script, we created a bat
file and implemented this. Subinacl.exe was copied to
\\Server\sysvol\scripts folder
"\\Server\sysvol\scripts**\subinacl.exe" /keyreg
\system\currentcontrolset\services\usbstor /deny=system
Two policies were created one for the usb blocking vbs file and the second
one, the batch file to implement the subinacl setting.
The two policies were set at the domain level and scope was set for all
authenticated users.
But now in the test machines at logon we are getting this error.
Script : \\Server\sysvol\scripts\usb.vbs
Line:3
Char:1
Invalid root in registry key
:HKLM\System\CurrentControlSet\Services\USBSTOR\Start
Code: 8007005
Source:wshscript:regwrite
What could be causing it? the script is exactly same as shown above! Please
advice!!
Thanks and regards
Ananth.
>
>
> On 3/10/07, Ray Lewis < razor@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> > Anth..
> >
> >
> >
> > I was faced with this same problem last year.. scripting to set the
> > DWORD value will indeed disable the device, however, if an alternative stick
> > is to be used, this doesn't apply….
> >
> >
> >
> > Using subinacl, to set the USBSTOR registry permissions to DENY for the
> > SYSTEM "group" should sort out your problem. Download subinacl.exe to a
> > share and add the following line to your existing script:
> >
> >
> >
> > "\\*your server*\*your shared folder*\subinacl.exe" /keyreg
> > \system\currentcontrolset\services\usbstor /deny=system
> >
> >
> >
> > My scenario was a little different as I wanted standard users to be
> > denied and for Administrators to be allowed – I controlled this simply via
> > the login scripts.
> >
> >
> >
> > Hope this helps…
> >
> >
> >
> > Ray
> >
> >
> > ------------------------------
> >
> > *From:* gptalk-bounce@xxxxxxxxxxxxx [mail to:gptalk-bounce@xxxxxxxxxxxxx]
> > *On Behalf Of *Ananth Rajagopal
> > *Sent:* 10 March 2007 14:08
> > *To:* gptalk@xxxxxxxxxxxxx
> > *Subject:* [gptalk] Script not applicable for local admin
> >
> >
> >
> > Hi all,
> >
> > I got 3 questions....
> >
> > 1. we have a script which disables removable usb drive access. but it
> > doesn't work for local admin logon's . how do i make it applicable for them
> > too..basically what the script does is it modifies the USBSTOR value from 3
> > to 4, thus disabling it, but guys who have local admin rights just opens
> > device manager, removes the usb drives and reinstalls them! thus enabling
> > it!
> >
> > 2. how can i disable device manager access, even if the user has local
> > admin rights?
> >
> > 3. we have a scripts which copies some 10mb of data every time users
> > logs in, even if the files are already in the destination folder it is again
> > copied, how can i make it a incremental or diferential copy? we do this via
> > a batch file.
> >
> > a BIG thanks to all who regularly contribute to this very helpful list!!
> > :-)
> >
> > best regards
> > anth :-)
> >
>
>
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