EVID 4704, 4705 : User Right Assignment (Part 1) (Security)

Event Details

Event Type

Audit Authentication Policy Change

Event Description

  • 4704(S) : A user right was assigned.

  • 4705(S) : A user right was removed.

Event IDs

4704, 4705

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

<processid>

N/A

Channel

N/A

N/A

Computer

<dname>

<dname>

Event Data

<vendorinfo>, <subject>

N/A

SubjectUserSid

<objectname>

N/A

SubjectUserName

<login>

<login>

SubjectDomainName

<domain>

<domainorigin>

SubjectLogonId

<session>

<session>

TargetSid

<account>

<domainimpacted>, <account>

PrivilegeList

<object>

<subject>

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

1000628

User Right Assignment

Base Rule

Privilege Granted

Access Granted

EVID 4704 : User Right Assigned

Sub Rule

Privilege Granted

Access Granted

EVID 4705 : User Right Removed

Sub Rule

User Account Attribute Modified

Account Modified

EVID 4717 : System Security Access Granted

Sub Rule

Access Granted Activity

Access Granted

EVID 4718 : System Security Access Removed

Sub Rule

Access Revoked Activity

Access Revoked

LogRhythm Default v2.0

Regex ID

Rule Name

Rule Type

Common Event

Classification

1011087

V 2.0 : EVID 4704 & 4705 : User Rights Assignment

Base Rule

User Account Attribute Modified

Account Modified

V 2.0 : EVID 4704 : User Right Assigned

Sub Rule

User Account Attribute Modified

Account Modified

V 2.0 : EVID 4705 : User Right Removed

Sub Rule

User Account Attribute Modified

Account Modified