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Extracting Password Hashes from a Domain Controller

On a Penetration Test, once you’ve scored Domain Admin (DA) Access, it’s generally a good idea to take a look at the hashes stored in Active Directory (AD). Not least because it’ll point out all of the weak accounts that you missed on your journey to DA but also because password reuse across accounts may get you into other systems, such as Linux servers or the network infrastructure.

There are a few methods of dumping hashes and every PenTester I expect knows one of these, but I’ve included a few as it’s always good to have a backup plan.

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