win:security 4657
A registry value was modified.
- Log source
- Windows Security event log
- Host type
- Windows (workstation, member server, domain controller)
- How to enable
- Advanced Audit Policy: Object Access > Audit Registry
- Audit category
- Object Access
- Audit subcategory
- Audit Registry
- Tier, host type
- Minimum
- Techniques
- 30
- Rules depending on it
- Sigma 5, Microsoft Sentinel 3
Why this tier
DISA STIG (server); DISA STIG (workstation); NSA
By role
| Role | Tier | Basis |
|---|---|---|
| Windows workstation | Minimum | DISA STIG (workstation); NSA |
| Windows member server | Minimum | DISA STIG (server); NSA |
| Windows domain controller | Minimum | DISA STIG (server); NSA |
| Windows web server (IIS), internet-facing | Minimum | DISA STIG (server); NSA |
Techniques it helps detect
- T1027.011 Fileless Storage
- T1037 Boot or Logon Initialization Scripts
- T1070.009 Clear Persistence
- T1505.005 Terminal Services DLL
- T1546 Event Triggered Execution
- T1546.007 Netsh Helper DLL
- T1546.009 AppCert DLLs
- T1546.011 Application Shimming
- T1546.012 Image File Execution Options Injection
- T1546.015 Component Object Model Hijacking
- T1547.002 Authentication Package
- T1547.005 Security Support Provider
- T1553 Subvert Trust Controls
- T1553.003 SIP and Trust Provider Hijacking
- T1553.004 Install Root Certificate
- T1553.006 Code Signing Policy Modification
- T1556 Modify Authentication Process
- T1556.002 Password Filter DLL
- T1556.008 Network Provider DLL
- T1564.006 Run Virtual Instance
- T1565.003 Runtime Data Manipulation
- T1574 Hijack Execution Flow
- T1574.001 DLL
- T1574.007 Path Interception by PATH Environment Variable
- T1574.009 Path Interception by Unquoted Path
- T1574.011 Services Registry Permissions Weakness
- T1574.012 COR_PROFILER
- T1614.001 System Language Discovery
- T1649 Steal or Forge Authentication Certificates
- T1689 Downgrade Attack
Rules that depend on it
Sigma 5
- ETW Logging Disabled In .NET Processes - Registry by Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
- NetNTLM Downgrade Attack by Florian Roth (Nextron Systems), wagga
- Processes Accessing the Microphone and Webcam by Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
- Sysmon Channel Reference Deletion by Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
- Windows Defender Exclusion List Modified by @BarryShooshooga
Standards and guidance naming it
| Requirement | Relation | Basis |
|---|---|---|
| OMB M-26-14: Object and data eventsAppendix B item 5(3) | Supports an activity | our analysis: registry value modified |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 11 V2R11 (2026-10-05) | Names this event | WN11-AU-000586 (workstation): Audit Registry Success |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 11 V2R11 (2026-10-05) | Names this event | WN11-AU-000589 (workstation): Audit Registry Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2022 V2R11 | Names this event | WN22-AU-000585 (server): Audit Registry Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2022 V2R11 | Names this event | WN22-AU-000586 (server): Audit Registry Success |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 10 V3R6 (2026-01-23) | Names this event | WN10-AU-000586 (workstation): Audit Registry Success |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 10 V3R6 (2026-01-23) | Names this event | WN10-AU-000589 (workstation): Audit Registry Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2019 V3R9 (2026-07-10) | Names this event | WN19-AU-000585 (server): Audit Registry Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2019 V3R9 (2026-07-10) | Names this event | WN19-AU-000586 (server): Audit Registry Success |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2025 V1R1 (2026-02-27) | Names this event | WN25-AU-000585 (server): Audit Registry Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2025 V1R1 (2026-02-27) | Names this event | WN25-AU-000586 (server): Audit Registry Success |
| NSA: Recommended Windows events to forwardEvent Forwarding Guidance (RecommendedEvents.csv) | Names this event | System Integrity: Registry Modification |
| Microsoft: Events to monitor with potential criticalityAppendix L: Events to Monitor (Windows Server AD DS best practices) | Names this event | potential criticality Low: A registry value was modified. |