RE: [ActiveDir] Elevating privileges from DA to EA

[Almeida Pinto, Jorge de]

>>>Al - we are designing a forest with regional domains (don't ask!) and one region has suggested it needs to split from this forest since elevating rights in any regional domain from DA to EA (forest wide) is 'simple' [and this would break the admin / support model].

 

What is being said is very very true. Either you trust ALL Domain Admins (no matter the domain those are in) or you do not trust ANY! Every Domain Admin or ANY person with physical access to a DC has the possibility to turn the complete forest into crap!

Because if that was NOT the case the DOMAIN would be the security boundary. Unfortunately it is not! The Forest is the security boundary, whereas EVERY single DC in the forest MUST be protected and EVERY Domain Admin MUST be trusted!

 

>>>I am arguing that it is not simple and am looking for methods which may be used to elevate rights as per the above

 

When you know HOW, it is as easy as taking candy from a baby

 

jorge

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From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Friday, September 15, 2006 09:36
To: ActiveDir@mail.activedir.org
Subject: RE: [ActiveDir] Elevating privileges from DA to EA

Thanks for responses, all.

 

Al - we are designing a forest with regional domains (don't ask!) and one region has suggested it needs to split from this forest since elevating rights in any regional domain from DA to EA (forest wide) is 'simple' [and this would break the admin / support model].

 

I am arguing that it is not simple and am looking for methods which may be used to elevate rights as per the above.

 

Make sense?

 

neil

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From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Al Mulnick
Sent: 14 September 2006 20:59
To: ActiveDir@mail.activedir.org
Subject: Re: [ActiveDir] Elevating privileges from DA to EA

Can you reword?  I'm not sure I clearly understand the question.

FWIW, going from DA to EA is a matter of adding one's id to the EA group.  DA's have that right in the root domain of the forest (DA's of the root domain have that right). Editing etc. is not necessary. Nor are key-loggers etc.
If physical access is available, there are plenty of ways to get the access you require to a domain but I suspect you're asking how can a DA from a child domain gain EA access; is that the question you're looking to answer? 

Just for curiousity, what brings up that question?

Al

On 9/14/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:

It has been suggested by certain parties here that elevating one's rights from AD to EA is 'simple'.

I have suggested that whilst it's possible it is not simple at all.

Does anyone have any descriptions of methods / backdoors / workarounds etc that can be used to elevate rights in this way? Naturally, you may prefer to send this to me offline :) [ [EMAIL PROTECTED]]

I can think of the following basic methods:
 - Remove DC disks and edit offline
 - Introduce key logger on admin workstation / DC
 - Inject code into lsass

As you can see, I don't want specific steps to 'hack' the DC, just basic ideas / methods.

Thanks,
neil

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