PaulDotCom mailing list archives

Re: Running applications that require admin rights in Windows?


From: Tony Turner <tony () sentinel24 com>
Date: Tue, 18 Jun 2013 10:04:23 -0400

In the past I used regmon and tokenmon to understand what rights apps need
to run and then made permissions changes on specific registry keys or
protected files to allow privileged access and included that custom config
in default build for that subsection of users requiring elevated access.
Make sure you understand the security implications of any permissions
changes if you take this approach. For enterprise specific browser
addons/ActiveX controls, we created administrator approved controls within
GPO to allow normal users to install approved components. The downside to
this is its essentially a software restriction policy and uses a hash rule
so have to update GPO when the package changes.This was in a Win XP world
so not sure how relevant this would be today.

-Tony

On Tue, Jun 18, 2013 at 9:53 AM, Mike Perez <mike () pauldotcom com> wrote:

As luck would have it, I'm in the Windows Security class with Jason
Fossen.  I'll ask him if he has any specific recommendations.

Did you get any feedback from the list yet?  If so, please share!

Thanks,
Mike


On Sun, Jun 16, 2013 at 10:25 PM, Michael Salmon <lonestarr13 () gmail com>wrote:

Hi guys,
Got a question I'd like to get some advice on.  I support a Windows 7
environment and we stripped the users of admin rights, however there are
some applications that still require admin rights to run.
For one user I tried setting him up with a 2nd account w/ admin rights so
he could Run As the program with it but he figured out that it works for
any software and abused it (yeah, I know.. big surprise).  Another option
I've looked into is creating a shortcut to the program that uses the runas
/savecred for the default admin account to launch the program but then any
malicious program (or smart user) can launch most executables by using the
runas /savecred without needing to enter the admin password. While I do
believe this is still better then always running as admin, it's not the
best option.
How do others in their environments handle these situations?
One option that has been brought up is granting users admin rights and
using a white list software to prevent launching any programs that aren't
approved.  I'm not sure how easy these are to work around or maintain as I
haven't tested any whitelisting software yet.

Thanks guys!
BTW, PDC guys/girls did a great job hosting and presenting at Security-B
sides in RI! I had a great time, and a thank you to Mike Perez who provided
some great info for security noobs like me :)

 - Michael Salmon

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Mike Perez
Executive Producer, PaulDotCom Security Weekly

PaulDotCom Enterprises
Web: http://pauldotcom.com

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