Windows Security Event Add/Remove Computer Account (4741/4743)
Alerts on Windows domain computer account create/delete activity via Security event 4741 and 4743.
- Product
- windows
- Service
- security
- Author
- frack113 (SigmaHQ), DRL 1.1
- Published
- 2022-10-14
- Updated
- 2026-07-31
ATT&CK techniques
Defense EvasionRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule matches Windows Security auditing events for the creation or deletion of computer accounts. Such changes can be used by attackers to establish or disrupt machine identity in Active Directory, including by introducing new computer objects associated with authentication artifacts. It relies on Security log telemetry containing Event ID 4741 (creation) and 4743 (deletion).
Reporting behind it
- github.comhttps://github.com/Yamato-Security/EnableWindowsLogSettings/blob/7f6d755d45ac7cc9fc35b0cbf498e6aa4ef19def/ConfiguringSecurityLogAuditPolicies.md
- learn.microsoft.comhttps://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4741
- learn.microsoft.comhttps://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4743
- github.comhttps://github.com/SigmaHQ/sigma/blob/master/rules/windows/builtin/security/win_security_add_remove_computer.yml
Changelog
v2- v2Candidate ingested via manual entry.2026-07-31
- v1No 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.
title: Windows Security Event Add/Remove Computer Account (4741/4743)
id: 2816989b-6aff-4b58-bc07-d2a9d7e73316
status: test
description: This rule matches Windows Security auditing events for the creation or deletion of computer accounts. Such changes can be used by attackers to establish or disrupt machine identity in Active Directory, including by introducing new computer objects associated with authentication artifacts. It relies on Security log telemetry containing Event ID 4741 (creation) and 4743 (deletion).
references:
- https://github.com/Yamato-Security/EnableWindowsLogSettings/blob/7f6d755d45ac7cc9fc35b0cbf498e6aa4ef19def/ConfiguringSecurityLogAuditPolicies.md
- https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4741
- https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4743
- https://github.com/SigmaHQ/sigma/blob/master/rules/windows/builtin/security/win_security_add_remove_computer.yml
author: frack113, Huntrule Team
date: 2022-10-14
tags:
- attack.defense-impairment
- attack.t1207
logsource:
service: security
product: windows
detection:
selection:
EventID:
- 4741
- 4743
condition: selection
falsepositives:
- Unknown
level: low
license: DRL-1.1
related:
- id: 20d96d95-5a20-4cf1-a483-f3bda8a7c037
type: derived