name: Windows Event Log System 4728
id: 4549f0ac-3df9-4bfb-bea5-1459690c8040
version: 4
creation_date: '2024-05-22'
modification_date: '2026-05-13'
author: Patrick Bareiss, Splunk
description: Logs the addition of a user to a security-enabled group, including details about the group name, user account, and associated domain.
mitre_components:
    - Group Modification
    - Group Metadata
    - User Account Metadata
    - Active Directory Object Modification
source: XmlWinEventLog:System
sourcetype: XmlWinEventLog
separator: EventCode
separator_value: '4728'
supported_TA:
    - name: Splunk Add-on for Microsoft Windows
      url: https://splunkbase.splunk.com/app/742
      version: 10.0.1
fields:
    - _time
    - Account_Domain
    - Account_Name
    - CategoryString
    - ComputerName
    - Error_Code
    - EventCode
    - EventType
    - Keywords
    - LogName
    - Logon_ID
    - Message
    - OpCode
    - RecordNumber
    - Security_ID
    - SourceName
    - Subject_Account_Domain
    - Subject_Account_Name
    - Subject_Logon_ID
    - Subject_Security_ID
    - Target_Account_Domain
    - Target_Account_Name
    - Target_Security_ID
    - TaskCategory
    - Type
    - action
    - app
    - body
    - category
    - change_type
    - date_hour
    - date_mday
    - date_minute
    - date_month
    - date_second
    - date_wday
    - date_year
    - date_zone
    - dest
    - dest_nt_domain
    - dest_nt_host
    - dvc
    - dvc_nt_host
    - event_id
    - eventtype
    - host
    - id
    - index
    - linecount
    - member_dn
    - member_id
    - member_nt_domain
    - msad_action
    - name
    - object
    - object_attrs
    - object_category
    - object_id
    - product
    - punct
    - result
    - session_id
    - severity
    - severity_id
    - signature
    - signature_id
    - source
    - sourcetype
    - splunk_server
    - src_nt_domain
    - src_user
    - src_user_name
    - status
    - subject
    - ta_windows_action
    - ta_windows_security_CategoryString
    - tag
    - tag::eventtype
    - timeendpos
    - timestartpos
    - user
    - user_group
    - user_name
    - vendor
    - vendor_product
output_fields:
    - dest