GitHub Repo

Dacl Abuse

Date: 2023-12-06 ID: 809e0d76-4d6a-46d9-ba5d-0b4a838bb98a Author: Dean Luxton Environment: attack_range Directory: dacl_abuse

Description

Collection of various DACL abuse events generated manually in Active Directory.

MITRE ATT&CK Techniques

ID Technique Tactic
T1222.001 Windows File and Directory Permissions Modification Defense Evasion

Environment Details

Field Value
Environment attack_range
Directory dacl_abuse
Test Date 2023-12-06

Datasets

The following datasets were collected during this attack simulation:

Group_dacl_mod_windows-Security-Xml

  • Path: /datasets/attack_techniques/T1222.001/dacl_abuse/group_dacl_mod_windows-security-xml.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Security

Owner_updated_windows-Security-Xml

  • Path: /datasets/attack_techniques/T1222.001/dacl_abuse/owner_updated_windows-security-xml.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Security

Domain_root_acl_deletion_windows-Security-Xml

  • Path: /datasets/attack_techniques/T1222.001/dacl_abuse/domain_root_acl_deletion_windows-security-xml.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Security

Suspicious_acl_modification-Windows-Security-Xml

  • Path: /datasets/attack_techniques/T1222.001/dacl_abuse/suspicious_acl_modification-windows-security-xml.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Security

Domain_root_acl_mod_windows-Security-Xml

  • Path: /datasets/attack_techniques/T1222.001/dacl_abuse/domain_root_acl_mod_windows-security-xml.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Security

Hidden_ou_windows-Security-Xml

  • Path: /datasets/attack_techniques/T1222.001/dacl_abuse/hidden_ou_windows-security-xml.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Security

User_dacl_mod_windows-Security-Xml

  • Path: /datasets/attack_techniques/T1222.001/dacl_abuse/user_dacl_mod_windows-security-xml.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Security

Hidden_object_windows-Security-Xml

  • Path: /datasets/attack_techniques/T1222.001/dacl_abuse/hidden_object_windows-security-xml.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Security

The following detections in our security content repository use this attack data for testing:

Detection Name Type Source MITRE ATT&CK Analytic Story
Windows AD Suspicious Attribute Modification TTP Endpoint T1222.001, T1550 Sneaky Active Directory Persistence Tricks
Windows AD Object Owner Updated TTP Endpoint T1222.001, T1484 Sneaky Active Directory Persistence Tricks
Windows AD Domain Root ACL Deletion TTP Endpoint T1222.001, T1484 Sneaky Active Directory Persistence Tricks
Windows AD Dangerous User ACL Modification TTP Endpoint T1222.001, T1484 Sneaky Active Directory Persistence Tricks
Windows AD Dangerous Group ACL Modification TTP Endpoint T1222.001, T1484 Sneaky Active Directory Persistence Tricks
Windows AD Hidden OU Creation TTP Endpoint T1222.001, T1484 Sneaky Active Directory Persistence Tricks
Windows AD Domain Root ACL Modification TTP Endpoint T1222.001, T1484 Sneaky Active Directory Persistence Tricks
Windows AD Dangerous Deny ACL Modification TTP Endpoint T1222.001, T1484 Sneaky Active Directory Persistence Tricks

Usage Instructions

Replay with Splunk Attack Data

Replay attack data with replay.py from Splunk Attack Data.

1python replay.py --dataset /datasets/attack_techniques/T1222.001/dacl_abuse/group_dacl_mod_windows-security-xml.log --index attack_data

Manual Import

  1. Download the dataset files from the paths listed above
  2. Configure your Splunk instance with the appropriate sourcetypes
  3. Import the logs using the Splunk Add Data wizard

Related Content

Find more detections and analytics for this attack technique in our security content repository.

Source: GitHub | Version: 1.0