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Active Directory [Hacking Theory]





cr3ativ3
Hello,

I am very IT Security focused, our School Board has Active Directory setup, now all the PC's in the school run Active Directory, except for a couple special circumstances. It is actually against the TOS, to connect a PC to the network that is not running AD (obv. no wireless AP's).

Now in my Cisco class we are really lucky to have the privilege to run certain Internet accessible PC's on the network without AD setup and installed on them. Now I was doing some exploration and determined that I could actually connect to any of the network printers in our school, and print for free which was cool.

But I started thinking about other security problems with the network, and seeing as on the AD enabled machines you can run netstat commands and such, you can find the ip/name of the Domain Controller and File Server for the school.

Now to my question the domain controller and file server are probably setup on a static IP. If this is the case would it not be as simple as to set the IP of one non-AD machine to the same IP as that server, causing an IP conflict. Which in turn would basically bring down the whole authentication system temporarily for the entire school would it not?

If my theory is wrong, what kinda security measures and fail safes are put in place to prevent this kinda attack?
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