Breadcrumbs

EVID 4728...4762 : Group Member Added/Removed (Security)

Event Details

Event Type

Audit Security Group Management

Event Description

  • 4731(S) : A security-enabled local group was created.

  • 4732(S) : A member was added to a security-enabled local group.

  • 4733(S) : A member was removed from a security-enabled local group.

  • 4734(S) : A security-enabled local group was deleted.

  • 4735(S) : A security-enabled local group was changed.

  • 4764(S) : A group’s type was changed.

  • 4799(S) : A security-enabled local group membership was enumerated.

Event IDs

4731, 4732, 4733, 4734, 4735, 4764, 4799

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>

GroupTypeChange

N/A

<action>

MemberName

N/A

<account>

MemberSid

<account>

N/A

TargetUserName

<group>

<group>

TargetDomainName

<domain>

<domainimpacted>

TargetSid

N/A

N/A

SubjectUserSid

N/A

N/A

SubjectUserName

<login>, <tag2>

<login>

SubjectDomainName

N/A

<domainorigin>

SubjectLogonId

<session>

<session>

PrivilegeList

N/A

N/A

CallerProcessId

N/A

<processid>

CallerProcessName

N/A

<process>

EventData

<vendorinfo>

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

1000635

Group Member Added/Removed

Base Rule

Account Added To Group

Access Granted

EVID 4728 : User Added Glbl Security Grp

Sub Rule

Account Added To Group

Access Granted

EVID 4729 : User Removed From Global Sec Grp

Sub Rule

Account Removed From Group

Access Revoked

EVID 4732 : User Added To Local Sec Grp

Sub Rule

Account Added To Group

Access Granted

EVID 4733 : User Removed From Local Sec Grp

Sub Rule

Account Removed From Group

Access Revoked

EVID 4746 : User Added To Local Dstr Grp

Sub Rule

Account Added To Group

Access Granted

EVID 4747 : User Removed From Local Dstr Grp

Sub Rule

Account Removed From Group

Access Revoked

EVID 4751 : User Added To Global Dstr Grp

Sub Rule

Account Added To Group

Access Granted

EVID 4761 : User Added To Universal Dstr Grp

Sub Rule

Account Added To Group

Access Granted

EVID 4752 : User Removed From Global Dstr Grp

Sub Rule

Account Removed From Group

Access Revoked

EVID 4756 : User Added To Univ Sec Grp

Sub Rule

Account Added To Group

Access Granted

EVID 4757 : User Removed From Univ Sec Grp

Sub Rule

Account Removed From Group

Access Revoked

EVID 4762 : User Removed From Univ Dstr Grp

Sub Rule

Account Removed From Group

Access Revoked

LogRhythm Default v2.0

Regex ID

Rule Name

Rule Type

Common Event

Classification

1011139

V 2.0 : Group Management Events

Base Rule

Group Information

Information

V 2.0 : EVID 4727 : Sec-Enable Global Group Create

Sub Rule

Group Created

Account Created

V 2.0 : EVID 4728 : Memb Add To Sec-Enable Global

Sub Rule

Account Added To Group

Access Granted

V 2.0 : EVID 4729 : Memb Remove From Sec-Enabled

Sub Rule

Account Removed From Group

Access Revoked

V 2.0 : EVID 4730 : Sec-Enable Global Group Delete

Sub Rule

Group Deleted

Account Deleted

V 2.0 : EVID 4731 : Sec-Enabled Local Group Create

Sub Rule

Group Created

Account Created

V 2.0 : EVID 4732 : Memb Add To Sec-Enable Local

Sub Rule

Account Added To Group

Access Granted

V 2.0 : EVID 4733 : Memb Remove From Sec-Enabled

Sub Rule

Account Removed From Group

Access Revoked

V 2.0 : EVID 4734 : Sec-Enable Local Group Delete

Sub Rule

Group Deleted

Account Deleted

V 2.0 : EVID 4735 : Sec-Enable Local Group Modifi

Sub Rule

Group Attribute Modified

Account Modified

V 2.0 : EVID 4737 : Sec-Enable Global Group Modifi

Sub Rule

Group Attribute Modified

Account Modified

V 2.0 : EVID 4744 : Sec-Disable Local Group Create

Sub Rule

Group Created

Account Created

V 2.0 : EVID 4745 : Sec-Disable Local Group Modifi

Sub Rule

Group Attribute Modified

Account Modified

V 2.0 : EVID 4746 : Memb Add To Sec-Disable Local

Sub Rule

Account Added To Group

Access Granted

V 2.0 : EVID 4747 : Memb Remove From Sec-Disable

Sub Rule

Account Removed From Group

Access Revoked

V 2.0 : EVID 4748 : Sec-Disable Local Group Delete

Sub Rule

Group Deleted

Account Deleted

V 2.0 : EVID 4749 : Sec-Disabl Global Group Create

Sub Rule

Group Created

Account Created

V 2.0 : EVID 4750 : Sec-Disable Global Group Modif

Sub Rule

Group Attribute Modified

Account Modified

V 2.0 : EVID 4751 : Memb Add To Sec-Disable Global

Sub Rule

Account Added To Group

Access Granted

V 2.0 : EVID 4752 : Memb Remove From Sec-Disabled

Sub Rule

Account Removed From Group

Access Revoked

V 2.0 : EVID 4753 : Sec-Disable Global Group Delet

Sub Rule

Group Deleted

Account Deleted

V 2.0 : EVID 4754 : Sec-Enabled Univ Group Create

Sub Rule

Group Created

Account Created

V 2.0 : EVID 4755 : Sec-Enable Univer Group Modifi

Sub Rule

Group Attribute Modified

Account Modified

V 2.0 : EVID 4756 : Memb Add To Sec-Enable Univer

Sub Rule

Account Added To Group

Access Granted

V 2.0 : EVID 4757 : Memb Remove From Sec-Enabled

Sub Rule

Account Removed From Group

Access Revoked

V 2.0 : EVID 4758 : Sec-Enable Global Unive Delete

Sub Rule

Group Deleted

Account Deleted

V 2.0 : EVID 4759 : Sec-Disable Unive Group Create

Sub Rule

Group Created

Account Created

V 2.0 : EVID 4760 : Sec-Disable Unive Group Modifi

Sub Rule

Group Attribute Modified

Account Modified

V 2.0 : EVID 4761 : Memb Add To Sec-Disable Univer

Sub Rule

Account Added To Group

Access Granted

V 2.0 : EVID 4762 : Memb Remove From Sec-Disable

Sub Rule

Account Removed From Group

Access Revoked

V 2.0 : EVID 4763 : Sec-Disable Global Univ Delete

Sub Rule

Group Deleted

Account Deleted

V 2.0 : EVID 4764 : Group Type Changed

Sub Rule

Group Attribute Modified

Account Modified

V 2.0 : EVID 4799 : Sec-Enable Local Group Members

Sub Rule

Object Read

Access Success