RE: Administrator in Domain Admins group
"James D. Stallard" <[email protected]> Tue, 8 Feb 2011 10:16:01 -0000
| Newsgroups | gmane.comp.security.microsoft |
|---|---|
| Message-ID | <[email protected]> |
IMHO you're solving the wrong problem. The problem is not the Administrator account, it is that Shang Tsung has = Domain Administrators he does not trust. There is little point in = obfuscating the Administrator account or changing its password when any = authenticated user on the Domain will be able to enumerate the members = of the Domain Administrators Group. There is little point in disabling = it when it can be easily re-enabled by those untrusted Domain = Administrators. What Shang Tsung requires is Delegation of Administration (DofA). This = is the application of roles-based administration where each = administrator is assigned only the rights that are specifically required = to do their job and nothing else. This is achieved by performing a Roles = and Responsibilities analysis which maps job functions to administrative = access and allows the DofA designer to create appropriate delegations = that can be assigned to those job functions. My company has specialised = in this for years. As an example; Shang Tsung might identify a requirement for his = first-line helpdesk team to be granted the ability to reset the = passwords and unlock the accounts of non-privileged users. A role group = would be created that has those rights, on specific Organisational = Units, and the helpdesk team group would be joined to the role group, = thus assigning those rights. This model is built up to include all the administrative staff, so that = permanent Domain and Enterprise Administrators no longer exist. Servers = are analysed to ensure that no services require the Domain Administrator = Account and once the necessary service accounts are implemented, the = account password can be changed and stored in a safe under management = control. The business can then choose when Domain Administration is actually = required and can wrap the requirement in an appropriate change = management mechanism. HTH Cheers James D. Stallard=20 -----Original Message----- From: [email protected] [mailto:[email protected]] = On Behalf Of Michael Sturtz Sent: 31 January 2011 18:16 To: Shang Tsung; [email protected] Subject: RE: Administrator in Domain Admins group The "Built in Administrator" account CAN be deleted however it is = strongly cautioned against doing this. One of the reasons is it is the = account that is used in safe mode should a disaster occur. If the = built in Administrator account is locked out you can reboot the system = in safe mode (by hitting the F8 key at startup) and still logon to the = account and fix your system. If you delete or remove the built in = administrator account you will be unable to logon to the system. I = would recommend renaming the built in administrator account to a = different name and then creating a new account named Administrator that = is not a member of the Administrators or Domain Administrators group and = is disabled. This account is a decoy to prevent nuisance attacks on = your default administrator account. =20 Michael Sturtz -----Original Message----- From: [email protected] [mailto:[email protected]] = On Behalf Of Shang Tsung Sent: Monday, January 31, 2011 7:58 AM To: [email protected] Subject: Administrator in Domain Admins group After an audit, I noticed that in the Domain Admins group of our domain, = there is an account named Administrator. As my engineers told me, this = account is created by default when you create a new domain and cannot be = deleted or disabled. Is this true? I am not convinced yet. We do not like general purpose accounts like this because we lose = accountability. I am pretty sure the password of that account is in the = hands of people who are not supposed to have it. Each domain admin has = his own account who is in the Domain Admins group, so there is no need = for this Administrator account. Can we delete it? And if yes, what would be the consequences? Thanks, Shang Tsung