OSEC

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From: Laura A. Robinson (larobins_at_bellatlantic.net)
Date: Fri Jan 24 2003 - 15:19:07 CST

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    This is a good point, but since the server will be reformatted or otherwise
    murdered, it is a simple procedure to seize the roles on the other DC. I do
    agree that it's really something that should be done beforehand, however.

    Laura

    > -----Original Message-----
    > From: Thomas Cameron [mailto:ThomasCmip.com]
    > Sent: Friday, January 24, 2003 10:40 AM
    > To: focus-mssecurityfocus.com
    > Subject: RE: w2k server compromised
    >
    >
    > Don't forget to transfer the FSMO roles to the new server!
    > You can shoot yourself in the foot if you just power off the
    > old DC without transferring the FSMO roles.
    >
    > http://www.microsoft.com/technet/treeview/default.asp?url=/tec
    > hnet/prodtechn
    > ol/windows2000serv/reskit/distsys/part1/dsgch07.asp
    >
    > Thomas Cameron, RHCE, CNE, MCSE, MCT
    > Best Software
    >
    > -----Original Message-----
    > From: jamesleafgrove.com [mailto:jamesleafgrove.com]
    > Sent: Thursday, January 23, 2003 4:08 PM
    > To: 'Dan Uscatu'; focus-mssecurityfocus.com
    > Subject: RE: w2k server compromised
    >
    >
    > Dan
    >
    > Regardless of the security implications and reasons of having
    > an apparently compromised DC you can use the following
    > procedure to get you AD databases
    > copied:
    >
    > Build new W2k server box
    > Harden new server
    > Use DCPROMO to make it a DC in the current domain/forest
    > Await replication to complete, check by directing AD Users
    > and computers at the new server. Check your login scripts and
    > policies have also come across by looking in SYSVOL DCPROMO
    > old server to remove DC functionality Power off old server
    > Remove entries in sites and services relating to the the old
    > server if still there Remove old server computer account
    > Rebuild old server Harden old server DCPROMO old server to
    > make it a DC in the current domain/forest Await replication
    > to complete, check by directing AD Users and computers at the
    > old server. Check your login scripts and policies have also
    > come across by looking in SYSVOL DCPROMO new server to remove
    > DC functionality Power off new server Remove entries in sites
    > and services relating to the the new server if still there
    > Remove new server computer account Done
    >
    > Good luck and don't forget to check the rest of your LAN for
    > pesky malware Of course if the compromise is AD aware you may
    > not be able to get rid it this way, but that is pretty
    > unlikely. Anyone else comment??
    >
    > Cheers
    >
    > JamesD
    >
    > -----Original Message-----
    > From: Dan Uscatu [mailto:duscatulunatech.ro]
    > Sent: 23 January 2003 08:17
    > To: focus-mssecurityfocus.com
    > Subject: w2k server compromised
    >
    >
    > hey all
    >
    > i just found one of the w2k servers to be infected and acting
    > very strangely. unfortunately it is a domain controller and
    > it has all the users/computers lists.
    >
    > how can i export these before reinstall in order to keep the
    > exact same configuration (everything except passwords of
    > course) ? i suppose this could be usefull to be done on a
    > regular basis too...
    >
    > TIA
    >
    >
    >
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