System files must be monitored for unauthorized changes.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-226248	WN12-GE-000017	SV-226248r569266_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 Domain Controller Security Technical Implementation Guide	2020-10-15

Details

Check Text ( C-27950r569265_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 HBSS solution that supports a File Integrity Monitor (FIM) module will meet the requirement for file integrity checking.

Check Text ( C-27950r569265_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 HBSS solution that supports a File Integrity Monitor (FIM) module will meet the requirement for file integrity checking.

Fix Text (F-27938r476589_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.