Data Source: Powershell Script Block Logging 4104

Date: 2025-01-23

ID: 5cfd0c72-d989-47a0-92f9-6edc6f8d3564

Author: Patrick Bareiss, Splunk

Description

Logs detailed content of PowerShell script blocks as they are executed, including the full command text and context for the execution.

Details

Property Value
Source XmlWinEventLog:Microsoft-Windows-PowerShell/Operational
Sourcetype xmlwineventlog
Separator EventID

Supported Apps

Event Fields

+ Fields 
  <span class="pill kill-chain">_time</span>
  
  <span class="pill kill-chain">ActivityID</span>
  
  <span class="pill kill-chain">Channel</span>
  
  <span class="pill kill-chain">Computer</span>
  
  <span class="pill kill-chain">EventCode</span>
  
  <span class="pill kill-chain">EventData_Xml</span>
  
  <span class="pill kill-chain">EventID</span>
  
  <span class="pill kill-chain">EventRecordID</span>
  
  <span class="pill kill-chain">Guid</span>
  
  <span class="pill kill-chain">Keywords</span>
  
  <span class="pill kill-chain">Level</span>
  
  <span class="pill kill-chain">MessageNumber</span>
  
  <span class="pill kill-chain">MessageTotal</span>
  
  <span class="pill kill-chain">Name</span>
  
  <span class="pill kill-chain">Opcode</span>
  
  <span class="pill kill-chain">Path</span>
  
  <span class="pill kill-chain">ProcessID</span>
  
  <span class="pill kill-chain">RecordNumber</span>
  
  <span class="pill kill-chain">ScriptBlockId</span>
  
  <span class="pill kill-chain">ScriptBlockText</span>
  
  <span class="pill kill-chain">SystemTime</span>
  
  <span class="pill kill-chain">System_Props_Xml</span>
  
  <span class="pill kill-chain">Task</span>
  
  <span class="pill kill-chain">ThreadID</span>
  
  <span class="pill kill-chain">UserID</span>
  
  <span class="pill kill-chain">Version</span>
  
  <span class="pill kill-chain">date_hour</span>
  
  <span class="pill kill-chain">date_mday</span>
  
  <span class="pill kill-chain">date_minute</span>
  
  <span class="pill kill-chain">date_month</span>
  
  <span class="pill kill-chain">date_second</span>
  
  <span class="pill kill-chain">date_wday</span>
  
  <span class="pill kill-chain">date_year</span>
  
  <span class="pill kill-chain">date_zone</span>
  
  <span class="pill kill-chain">dvc</span>
  
  <span class="pill kill-chain">dvc_nt_host</span>
  
  <span class="pill kill-chain">event_id</span>
  
  <span class="pill kill-chain">eventtype</span>
  
  <span class="pill kill-chain">host</span>
  
  <span class="pill kill-chain">id</span>
  
  <span class="pill kill-chain">index</span>
  
  <span class="pill kill-chain">linecount</span>
  
  <span class="pill kill-chain">punct</span>
  
  <span class="pill kill-chain">signature_id</span>
  
  <span class="pill kill-chain">source</span>
  
  <span class="pill kill-chain">sourcetype</span>
  
  <span class="pill kill-chain">splunk_server</span>
  
  <span class="pill kill-chain">tag</span>
  
  <span class="pill kill-chain">tag::eventtype</span>
  
  <span class="pill kill-chain">timeendpos</span>
  
  <span class="pill kill-chain">timestartpos</span>
  
  <span class="pill kill-chain">user_id</span>
  
  <span class="pill kill-chain">vendor_product</span>
  
</div>

Example Log

1<Event xmlns='http://schemas.microsoft.com/win/2004/08/events/event'><System><Provider Name='Microsoft-Windows-PowerShell' Guid='{A0C1853B-5C40-4B15-8766-3CF1C58F985A}'/><EventID>4104</EventID><Version>1</Version><Level>5</Level><Task>2</Task><Opcode>15</Opcode><Keywords>0x0</Keywords><TimeCreated SystemTime='2022-05-02T12:39:41.710158900Z'/><EventRecordID>112748</EventRecordID><Correlation ActivityID='{547232D9-5B2B-0007-6CA6-72542B5BD801}'/><Execution ProcessID='5336' ThreadID='2228'/><Channel>Microsoft-Windows-PowerShell/Operational</Channel><Computer>win-dc-mhaag-attack-range-270.attackrange.local</Computer><Security UserID='S-1-5-21-2059343465-2300599999-2417073716-500'/></System><EventData><Data Name='MessageNumber'>1</Data><Data Name='MessageTotal'>1</Data><Data Name='ScriptBlockText'>function New-Mutex($MutexName) {

Source: GitHub | Version: 2