EVID 4776 : Credential Validation Attempt (XML - Security)

Event Details

Event Type	Audit Credential Validation
Event Description	4776(S, F) : The computer attempted to validate the credentials for an account.
Event ID	4776

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	<vendorinfo>	<vendorinfo>
Opcode	N/A	N/A
Keywords	<command>	<result>, <tag3>
TimeCreated	N/A	N/A
EventRecordID	N/A	N/A
Correlation	N/A	N/A
Execution	N/A	N/A
Channel	N/A	<objectname>
Computer	<dname>	<dname>
PackageName	N/A	N/A
TargetUserName	<login>	<login>, <domainorigin>, <tag1>
Workstation	<sip>, <sname>	<sip>, <sname>
status	<status> <tag1>	<status>, <tag2>
WorkstationName	N/A	<sname>, <sip>

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
1008451	EVID 4776 : Credential Validation Attempt	Base Rule	General Authentication Event	Other Audit
	EVID 4776 : User Name Does Not Exist	Sub Rule	User Logon Failure : Bad Username	Authentication Failure
	EVID 4776 : Incorrect Password	Sub Rule	User Logon Failure : Bad Password	Authentication Failure
	EVID 4776 : User Account Locked Out	Sub Rule	User Logon Failure : Account Locked Out	Authentication Failure
	EVID 4776 : Account Disabled	Sub Rule	User Logon Failure : Account Disabled	Authentication Failure
	EVID 4776 : Date Time Restriction	Sub Rule	User Logon Failure	Authentication Failure
	EVID 4776 : Workstation Restriction	Sub Rule	User Logon Failure	Authentication Failure
	EVID 4776 : Account Expired	Sub Rule	User Logon Failure	Authentication Failure
	EVID 4776 : Expired Password	Sub Rule	User Logon Failure : Bad Password	Authentication Failure
	EVID 4776 : Password Change Required	Sub Rule	User Logon Failure : Bad Password	Authentication Failure
	EVID 4776 : User Logged On	Sub Rule	User Logon	Authentication Success

LogRhythm Default v2.0

Regex ID	Rule Name	Rule Type	Common Event	Classification
1011093	V 2.0 : EVID 4776 : Credentials Validation Of Account	Base Rule	General Authentication Event	Other Audit
	V 2.0 : EVID 4776 : Computer Logon Success	Sub Rule	Computer Logon	Authentication Success
	V 2.0 : EVID 4776 : Bad UserName	Sub Rule	User Logon Failure : Bad Username	Authentication Failure
	V 2.0 : EVID 4776 : Bad Password	Sub Rule	User Logon Failure : Bad Password	Authentication Failure
	V 2.0 : EVID 4776 : Expired Password	Sub Rule	Computer Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Disabled Account	Sub Rule	Computer Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Expired Account	Sub Rule	Computer Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Password Change Required	Sub Rule	Computer Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Locked Account	Sub Rule	Computer Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Computer Account Logon Failure	Sub Rule	Computer Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : User Logon Success	Sub Rule	User Logon	Authentication Success
	V 2.0 : EVID 4776 : Bad UserName	Sub Rule	Computer Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Bad Password	Sub Rule	Computer Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Outside Logon Hours	Sub Rule	User Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Unauthorized Workstation	Sub Rule	User Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Expired Password	Sub Rule	User Logon Failure : Bad Password	Authentication Failure
	V 2.0 : EVID 4776 : Disabled Account	Sub Rule	User Logon Failure : Account Disabled	Authentication Failure
	V 2.0 : EVID 4776 : Expired Account	Sub Rule	User Logon Failure : Bad Username	Authentication Failure
	V 2.0 : EVID 4776 : Password Change Required	Sub Rule	User Logon Failure	Authentication Failure
	V 2.0 : EVID 4776 : Locked Account	Sub Rule	User Logon Failure : Account Locked Out	Authentication Failure