title: Group Modification Logging id: 9cf01b6c-e723-4841-a868-6d7f8245ca6e status: stable description: "Configure systems to issue a log entry and alert when an account is added to or removed from any group assigned administrative privileges. Sigma detects\ \ Event ID 4728 indicates a \u2018Member is added to a Security Group\u2019. Event ID 4729 indicates a \u2018Member is removed from a Security enabled-group\u2019\ . Event ID 4730 indicates a\u2018Security Group is deleted\u2019. The case is not applicable for Unix OS. Supported OS - Windows 2008 R2 and 7, Windows 2012 R2\ \ and 8.1, Windows 2016 and 10 Windows Server 2019, Windows Server 2000, Windows 2003 and XP." author: Alexandr Yampolskyi, SOC Prime date: 2019/03/26 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=4729 - https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=4730 - https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=633 - https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=632 - https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=634 logsource: product: windows service: security detection: selection: EventID: - 4728 - 4729 - 4730 - 633 - 632 - 634 condition: selection falsepositives: - unknown level: low tags: - CSC4 - CSC4.8 - NIST CSF 1.1 PR.AC-4 - NIST CSF 1.1 PR.AT-2 - NIST CSF 1.1 PR.MA-2 - NIST CSF 1.1 PR.PT-3 - ISO 27002-2013 A.9.1.1 - ISO 27002-2013 A.9.2.2 - ISO 27002-2013 A.9.2.3 - ISO 27002-2013 A.9.2.4 - ISO 27002-2013 A.9.2.5 - ISO 27002-2013 A.9.2.6 - ISO 27002-2013 A.9.3.1 - ISO 27002-2013 A.9.4.1 - ISO 27002-2013 A.9.4.2 - ISO 27002-2013 A.9.4.3 - ISO 27002-2013 A.9.4.4 - PCI DSS 3.2 2.1 - PCI DSS 3.2 7.1 - PCI DSS 3.2 7.2 - PCI DSS 3.2 7.3 - PCI DSS 3.2 8.1 - PCI DSS 3.2 8.2 - PCI DSS 3.2 8.3 - PCI DSS 3.2 8.7