User account is dormant.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-1112	4.019	SV-29482r1_rule	IAAC-1	Low

Description
Outdated or unused accounts, provide penetration points that may go undetected.

STIG	Date
Windows 2008 Domain Controller Security Technical Implementation Guide	2013-07-03

Details

Check Text ( C-393r1_chk )
Using the DUMPSEC utility: Select “Dump Users as Table” from the “Report” menu. Select the available fields in the following sequence, and click on the “Add” button for each entry: UserName SID PswdRequired PswdExpires PswdLastSetTime LastLogonTime AcctDisabled Groups If any enabled accounts have not been logged into within the past 35 days, then this is a finding. This can be ascertained by examining the time in the “LastLogonTime” column. The following accounts are exempt from this check: The built-in administrator account The built-in guest account Application accounts The “IUSR”-guest account (used with IIS or Peer Web Services) Accounts that are less than 35 days old Disabled accounts Note: The reviewer should review the list with the SA to determine the finding validity for each account reported. Note: The following command can be used on Windows 2003/2008 Active Directory if DumpSec cannot be run: Open a Command Prompt Enter “Dsquery user -limit 0 -inactive 5 -o rdn” (This command will only work if the domain is at least at a Windows Server 2003 functional level, not Windows 2000 Native). A list of user accounts that have been inactive for 5 weeks will be displayed. Disabled Accounts can be determined by using the following: Enter “Dsquery user -limit 0 -disabled -o rdn”. Documentable Explanation: Dormant accounts that have been reviewed and deemed to be required should be documented with the IAO.

Check Text ( C-393r1_chk )

Using the DUMPSEC utility:

Select “Dump Users as Table” from the “Report” menu.
Select the available fields in the following sequence, and click on the “Add” button for each entry:
UserName
SID
PswdRequired
PswdExpires
PswdLastSetTime
LastLogonTime
AcctDisabled
Groups

If any enabled accounts have not been logged into within the past 35 days, then this is a finding. This can be ascertained by examining the time in the “LastLogonTime” column. The following accounts are exempt from this check:

The built-in administrator account
The built-in guest account
Application accounts
The “IUSR”-guest account (used with IIS or Peer Web Services)
Accounts that are less than 35 days old
Disabled accounts

Note: The reviewer should review the list with the SA to determine the finding validity for each account reported.

Note: The following command can be used on Windows 2003/2008 Active Directory if DumpSec cannot be run:

Open a Command Prompt
Enter “Dsquery user -limit 0 -inactive 5 -o rdn” (This command will only work if the domain is at least at a Windows Server 2003 functional level, not Windows 2000 Native).
A list of user accounts that have been inactive for 5 weeks will be displayed.

Disabled Accounts can be determined by using the following:
Enter “Dsquery user -limit 0 -disabled -o rdn”.

Documentable Explanation: Dormant accounts that have been reviewed and deemed to be required should be documented with the IAO.

Fix Text (F-5758r1_fix)
Regularly review accounts to determine if they are still active. Accounts that have not been used in the last 35 days should either be removed or disabled.