Windows Security: Member Added to Security-Enabled Global Group

ATT&CK techniques

Persistence → Priv Esc

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1098Account Manipulation
Priv Esc
- T1098Account Manipulation
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule flags Windows Security log events indicating a new member was added to a security-enabled global group. Such changes can grant access to resources and are a common step in privilege escalation or persistence. It relies on the presence of Security events 4728 and 632 and matches them directly by EventID.

Reporting behind it

Related detections9 linkedT1098 — drag to rearrange

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Suspicious Account Password Set to Never Expire. (via security)

Malicious Modification of a Computer Account SPN (via security)

Suspicious Massive Group Membership Changes (via security)

Malicious High Risk Active Directory Group Membership Change (via security)

Malicious Account Marked as Sensitive and Cannot Be Delegated Had Its Protection Removed (via security)

Malicious Host Constrained Delegation Settings Changed for Potential Abuse (Rubeus) - Kerberos Only (via security)

Malicious Host Set with Unconstrained Delegation (via security)

Windows Security: Member Added to Security-Enabled Global Group

Pivot detection · T1098 · 9 related

Changelog

v2

v2
Candidate ingested via manual entry.2026-07-31
v1
No changelog recorded for this version.2026-07-30

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

windows-security-log-member-added-to-security-enabled-global-group-4728-632-c43c26be

title: "Windows Security: Member Added to Security-Enabled Global Group"
id: 6fcf51b3-4255-4070-afcc-7c3d004740f5
related:
  - id: 9cf01b6c-e723-4841-a868-6d7f8245ca6e
    type: obsolete
  - id: c43c26be-2e87-46c7-8661-284588c5a53e
    type: derived
status: stable
description: This rule flags Windows Security log events indicating a new member was added to a security-enabled global group. Such changes can grant access to resources and are a common step in privilege escalation or persistence. It relies on the presence of Security events 4728 and 632 and matches them directly by EventID.
references:
  - https://www.cisecurity.org/controls/cis-controls-list/
  - https://www.pcisecuritystandards.org/documents/PCI_DSS_v3-2-1.pdf
  - https://nvlpubs.nist.gov/nistpubs/CSWP/NIST.CSWP.04162018.pdf
  - https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=4728
  - https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=632
  - https://github.com/SigmaHQ/sigma/blob/master/rules/windows/builtin/security/account_management/win_security_member_added_security_enabled_global_group.yml
author: Alexandr Yampolskyi, SOC Prime, Huntrule Team
date: 2023-04-26
tags:
  - attack.privilege-escalation
  - attack.persistence
  - attack.t1098
logsource:
  product: windows
  service: security
detection:
  selection:
    EventID:
      - 4728
      - 632
  condition: selection
falsepositives:
  - Unknown
level: low
license: DRL-1.1

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