EVID 4717, 4718 : System Security Policy (Security)

Event Details

Event Type	Audit Authentication Policy Change
Event Description	4717(S) : System security access was granted to an account. 4718(S) : System security access was removed from an account.
Event IDs	4717, 4718

Log Fields and Parsing

This section details the log fields available in this log message type, along with values parsed for both LogRhythm Default and LogRhythm Default v2.0 policies. A value of "N/A" (not applicable) means that there is no value parsed for a specified log field.

Log Field	LogRhythm Default	LogRhythm Default v2.0
Provider	N/A	N/A
EventID	<vmid>	<vmid>
Version	N/A	N/A
Level	<severity>	<severity>
Task	N/A	<vendorinfo>
Opcode	N/A	N/A
Keywords	<tag1>	<result>
TimeCreated	N/A	N/A
EventRecordID	N/A	N/A
Correlation	N/A	N/A
Execution	N/A	N/A
Channel	N/A	N/A
Computer	<dname>	<dname>
SubjectUserSid	N/A	N/A
SubjectUserName	<login>, <tag2>	<login>
SubjectDomainName	<domain>	<domainorigin>
SubjectLogonId	<session>	<session>
TargetSid	N/A	N/A
AccessGranted	<object>	N/A
Eventdata	<vendorinfo>	N/A
Account Name	<account>	N/A

Log Processing Settings

This section details log processing changes made from the LogRhythm Default policy to LogRhythm Default v2.0. In some cases, base rules are broken down into sub-rules to appropriately parse log message types by their event types.

LogRhythm Default

Regex ID	Rule Name	Rule Type	Common Event	Classification
1000638	EVID 4717, 4718 : System Security Policy	Base Rule	Policy Modified : System	Policy
	EVID 4717 : System Security Granted To Account	Sub Rule	Policy Enabled : Auditing	Policy
	EVID 4718 : System Security Access Removed	Sub Rule	Policy Enabled : Auditing	Policy

LogRhythm Default v2.0

Regex ID	Rule Name	Rule Type	Common Event	Classification
1011105	V 2.0 : System Security Access Modification	Base Rule	Privilege Modified	Other Audit
	V 2.0 : EVID 4717 : System Security Access Granted	Sub Rule	Privilege Granted	Access Granted
	V 2.0 : EVID 4718 : System Security Access Removed	Sub Rule	Privilege Revoked	Access Revoked