System files must be monitored for unauthorized changes.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-225428	WN12-GE-000017	SV-225428r793241_rule		Medium

Description
Monitoring system files for changes against a baseline on a regular basis may help detect the possible introduction of malicious code on a system.

STIG	Date
Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide	2021-10-18

Details

Check Text ( C-27127r793240_chk )
Determine whether the site monitors system files (e.g., .exe, .bat, .com, .cmd, and *.dll) on servers for unauthorized changes against a baseline on a weekly basis. If system files are not monitored for unauthorized changes, this is a finding. A properly configured and approved DoD ESS solution that supports a File Integrity Monitor (FIM) module will meet the requirement for file integrity checking.

Check Text ( C-27127r793240_chk )

Determine whether the site monitors system files (e.g., *.exe, *.bat, *.com, *.cmd, and *.dll) on servers for unauthorized changes against a baseline on a weekly basis. If system files are not monitored for unauthorized changes, this is a finding.

A properly configured and approved DoD ESS solution that supports a File Integrity Monitor (FIM) module will meet the requirement for file integrity checking.

Fix Text (F-27115r471627_fix)
Monitor system files (e.g., .exe, .bat, .com, .cmd, and *.dll) on servers for unauthorized changes against a baseline on a weekly basis. This can be done with the use of various monitoring tools.