GitHub Repo

Powershell

Date: 2022-02-22 ID: 1f409a75-25d7-4ac6-99d1-27ae0bca0f4a Author: Mauricio Velazco Environment: attack_range Directory: powershell

Description

Using PowerShell to manually update the Kerberos Pre Authentication flag on a domain account using Set-ADAccountControl.

MITRE ATT&CK Techniques

ID Technique Tactic
T1558.004 AS-REP Roasting Credential Access

Environment Details

Field Value
Environment attack_range
Directory powershell
Test Date 2022-02-22

Datasets

The following datasets were collected during this attack simulation:

Windows-Powershell-Xml

  • Path: /datasets/attack_techniques/T1558.004/powershell/windows-powershell-xml.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Microsoft-Windows-PowerShell/Operational

Windows-Security-Xml

  • Path: /datasets/attack_techniques/T1558.004/powershell/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
Kerberos Pre-Authentication Flag Disabled with PowerShell TTP Endpoint T1558.004 Active Directory Kerberos Attacks
Kerberos Pre-Authentication Flag Disabled in UserAccountControl TTP Endpoint T1558.004 Active Directory Kerberos Attacks, BlackSuit Ransomware

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1558.004/powershell/windows-powershell-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