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WN25-AU-000030 Windows Server 2025 permissions for the Application event log must prevent access by nonprivileged accounts.

DISA STIG library V1R4
All changes in this version
first version loaded CAT II

Maps to AU-9 via CCI-000162, CCI-000163, CCI-000164

Title

Windows Server 2025 permissions for the Application event log must prevent access by nonprivileged accounts.

Control

Navigate to the Application event log file. The default location is the "%SystemRoot%\System32\winevt\Logs" folder. However, the logs may have been moved to another folder. If the permissions for the "Application.evtx" file are not as restrictive as the default permissions listed below, this is a finding: Eventlog - Full Control SYSTEM - Full Control Administrators - Full Control

Discussion

Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred, as well as detect attacks. Audit logs are necessary to provide a trail of evidence in case the system or network is compromised. The Application event log may be susceptible to tampering if proper permissions are not applied. Satisfies: SRG-OS-000057-GPOS-00027, SRG-OS-000058-GPOS-00028, SRG-OS-000059-GPOS-00029

Related controls

CCI-000162, CCI-000163, CCI-000164

Fix

Configure the permissions on the Application event log file (Application.evtx) to prevent access by nonprivileged accounts. The default permissions listed below satisfy this requirement: Eventlog - Full Control SYSTEM - Full Control Administrators - Full Control The default location is the "%SystemRoot%\System32\winevt\Logs" folder. If the location of the logs has been changed, when adding Eventlog to the permissions, it must be entered as "NT Service\Eventlog".