+Active Directory Object Access

Active Directory Object Access

Object access refers to activities where AD objects (e.g., user accounts, groups, policies) are accessed or queried. Example: Windows Event ID 4661 logs object access attempts. Examples: - Attribute Access: e.g., `userPassword`, `memberOf`, `securityDescriptor`. - Group Enumeration: Enumerating critical group members (e.g., Domain Admins). - User Attributes: Commonly accessed attributes like `samAccountName`, `lastLogonTimestamp`. - Policy Access: Accessing GPOs to understand security settings. *Data Collection Measures:* - Audit Policies: - Enable "Audit Directory Service Access" under Advanced Audit Policies (Success and Failure). - Path: `Computer Configuration > Policies > Windows Settings > Security Settings > Advanced Audit Policy Configuration > Audit Policies > Object AccessEnable: Audit Directory Service Access` (Success and Failure). - Captured Events: IDs 4661, 4662. - Event Forwarding: Use WEF to centralize logs for SIEM analysis. - SIEM Integration: Collect and parse logs (e.g., 4661, 4662) using tools like Splunk or Azure Sentinel. - Log Filtering: - Focus on sensitive objects/attributes like: - `Domain Admins` group. - `userPassword`, `ntSecurityDescriptor`. - Enable EDR Monitoring: - Detect processes accessing sensitive AD objects (e.g., samAccountName, securityDescriptor). - Log all attempts to enumerate critical groups (e.g., "Domain Admins").

1. Übersicht

1.1 Referenzen

1.2 Identifizierte Anforderungen

1.3 Related Regulations

2. Identifizierte Anforderungen

Anforderungen

3. Related Regulations

Regulations

Linked Issues

Issuelinks
is related to Data Components
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