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The SLES for vRealize audit system must be configured to audit failed attempts to access files and programs.


Finding ID Version Rule ID IA Controls Severity
V-89847 VRAU-SL-001455 SV-100497r1_rule Medium
Unsuccessful attempts to access files could be an indicator of malicious activity on a system. Auditing these events could serve as evidence of potential system compromise.
VMware vRealize Automation 7.x SLES Security Technical Implementation Guide 2018-10-12


Check Text ( C-89539r1_chk )
Verify auditd is configured to audit failed file access attempts.

# cat /etc/audit.rules /etc/audit/audit.rules | grep -e "-a exit,always" | grep -e "-S ftruncate" | grep -e "-F success=0"

There must be an audit rule for each of the access syscalls logging all failed accesses (-F success=0).

If not, this is a finding.
Fix Text (F-96589r1_fix)
Edit the audit.rules file and add the following line(s) to enable auditing of failed attempts to access files and programs:

-a exit,always -F arch=b64 -S ftruncate -F success=0
-a exit,always -F arch=b32 -S ftruncate -F success=0