GitHub Repo

Msix Unsigned

Date: 2023-06-22 ID: ebbe603c-a8e9-4d36-8c73-3bda679b4280 Author: Michael Haag Environment: attack_range Directory: msix_unsigned

Description

Detection of unsigned MSIX package installation using PowerShell

MITRE ATT&CK Techniques

ID Technique Tactic
T1553.005 Mark-of-the-Web Bypass Defense Evasion

Environment Details

Field Value
Environment attack_range
Directory msix_unsigned
Test Date 2023-06-22

Datasets

The following datasets were collected during this attack simulation:

Windows-Powershell

  • Path: /datasets/attack_techniques/T1553.005/msix_unsigned/windows-powershell.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Microsoft-Windows-PowerShell/Operational

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

Detection Name Type Source MITRE ATT&CK Analytic Story
Windows PowerShell MSIX Package Installation TTP Endpoint T1059.001, T1547.001 Malicious PowerShell, MSIX Package Abuse

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1553.005/msix_unsigned/windows-powershell.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