Outdated or unused accounts must be removed from the system or disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-1112	4.019	SV-32250r2_rule	IAAC-1	Low

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Outdated or unused accounts provide penetration points that may go undetected.

STIG	Date
Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide	2015-06-16

Details

Check Text ( C-60983r3_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 LastLogonTime AcctDisabled Review the "LastLogonTime". If any enabled accounts have not been logged on to within the past 35 days, this is a finding. The following accounts are exempt from this check: The built-in administrator account (SID ending in 500) The built-in guest account (SID ending in 501) Application accounts The "IUSR"-guest account (used with IIS or Peer Web Services) Disabled accounts The following command can be used on Active Directory in place of DumpSec: Open a Command Prompt. Enter "Dsquery user -limit 0 -inactive 5 -o rdn". 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 ISSO.

Check Text ( C-60983r3_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
LastLogonTime
AcctDisabled

Review the "LastLogonTime".
If any enabled accounts have not been logged on to within the past 35 days, this is a finding.

The following accounts are exempt from this check:
The built-in administrator account (SID ending in 500)
The built-in guest account (SID ending in 501)
Application accounts
The "IUSR"-guest account (used with IIS or Peer Web Services)
Disabled accounts

The following command can be used on Active Directory in place of DumpSec:

Open a Command Prompt.
Enter "Dsquery user -limit 0 -inactive 5 -o rdn".
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 ISSO.

Fix Text (F-65713r1_fix)
Regularly review accounts to determine if they are still active. Accounts that have not been used in the last 35 days must either be removed or disabled.