Getting Data In

Using SEDCMD to filter events 4662 and need a regex

DanAlexander
Communicator

Hi all,

I need a regex to grep a few bits from the following raw data:

 <Event xmlns='http://schemas.microsoft.com/win/2004/08/events/event'><System><Provider Name='Microsoft-Windows-Security-Auditing' Guid='{54849625-5478-4994-a5ba-3xxxxxxxxx}'/><EventID>4662</EventID><Version>0</Version><Level>0</Level><Task>12804</Task><Opcode>0</Opcode><Keywords>0x8020000000000000</Keywords><TimeCreated SystemTime='2020-09-01T07:00:18.999999800Z'/><EventRecordID>35xxxx65</EventRecordID><Correlation ActivityID='{5xxxxxxxx-b61d-0004-afc0-ac531db6d901}'/><Execution ProcessID='1520' ThreadID='1628'/><Channel>Security</Channel><Computer>XXXXXXXXXXXXXX.riv</Computer><Security/></System><EventData><Data Name='SubjectUserSid'>NT AUTHORITY\SYSTEM</Data><Data Name='SubjectUserName'>XXXXXXX$</Data><Data Name='SubjectDomainName'>XXXXXXXX</Data><Data Name='SubjectLogonId'>0x3e7</Data><Data Name='ObjectServer'>WMI</Data><Data Name='ObjectType'>WMI Namespace</Data><Data Name='ObjectName'>ROOT\CIMV2\Security\MicrosoftTpm</Data><Data Name='OperationType'>Object Access</Data><Data Name='HandleId'>0x0</Data><Data Name='AccessList'>%%1552 %%1553              </Data><Data Name='AccessMask'>0x3</Data><Data Name='Properties'>-</Data><Data Name='AdditionalInfo'>Local Execute (ExecMethod)</Data><Data Name='AdditionalInfo2'>ROOT\CIMV2\Security\MicrosoftTpm:Win32_Tpm=@::GetOwnerAuthForEscrow</Data></EventData></Event>

I need:

1. <EventID>4662</EventID>

2. <Data Name='ObjectType'>WMI Namespace</Data>

3. <Data Name='ObjectName'>ROOT\CIMV2\Security\MicrosoftTpm</Data>

4. <Data Name='AdditionalInfo2'>ROOT\CIMV2\Security\MicrosoftTpm:Win32_Tpm=@::GetOwnerAuthForEscrow</Data>

Thank you!

0 Karma

richgalloway
SplunkTrust
SplunkTrust

There were a few problems with the regular expression that caused it to fail to match the desired text .  Try the query below.

| makeresults
| fields - _time
| eval _raw="<Event xmlns='http://schemas.microsoft.com/win/2004/08/events/event'><System><Provider Name='Microsoft-Windows-Security-Auditing' Guid='{54849625-5478-4994-a5ba-3xxxxxxxxx}'/><EventID>4662</EventID><Version>0</Version><Level>0</Level><Task>12804</Task><Opcode>0</Opcode><Keywords>0x8020000000000000</Keywords><TimeCreated SystemTime='2020-09-01T07:00:18.999999800Z'/><EventRecordID>35xxxx65</EventRecordID><Correlation ActivityID='{5xxxxxxxx-b61d-0004-afc0-ac531db6d901}'/><Execution ProcessID='1520' ThreadID='1628'/><Channel>Security</Channel><Computer>XXXXXXXXXXXXXX.riv</Computer><Security/></System><EventData><Data Name='SubjectUserSid'>NT AUTHORITY\SYSTEM</Data><Data Name='SubjectUserName'>XXXXXXX$</Data><Data Name='SubjectDomainName'>XXXXXXXX</Data><Data Name='SubjectLogonId'>0x3e7</Data><Data Name='ObjectServer'>WMI</Data><Data Name='ObjectType'>WMI Namespace</Data><Data Name='ObjectName'>ROOT\CIMV2\Security\MicrosoftTpm</Data><Data Name='OperationType'>Object Access</Data><Data Name='HandleId'>0x0</Data><Data Name='AccessList'>%%1552 %%1553              </Data><Data Name='AccessMask'>0x3</Data><Data Name='Properties'>-</Data><Data Name='AdditionalInfo'>Local Execute (ExecMethod)</Data><Data Name='AdditionalInfo2'>ROOT\CIMV2\Security\MicrosoftTpm:Win32_Tpm=@::GetOwnerAuthForEscrow</Data></EventData></Event>"
| rex mode=sed "s/.*(\<EventID>4662\<\/EventID>).*(\<\Data Name='SubjectUserName'>.*?\<\/Data>).*/\1\2/g"

 

---
If this reply helps you, Karma would be appreciated.
0 Karma
Got questions? Get answers!

Join the Splunk Community Slack to learn, troubleshoot, and make connections with fellow Splunk practitioners in real time!

Meet up IRL or virtually!

Join Splunk User Groups to connect and learn in-person by region or remotely by topic or industry.

Get Updates on the Splunk Community!

Guided Onboarding with Auto-schema Is Now Generally Available

  We are excited to announce the General Availability of Guided Onboarding with Auto-Schematization ...

ATTENTION: We’re Moving! (AGAIN!)

The Splunk Community Slack is undergoing a system migration to keep our workspace secure and ...

Deep Dive: Optimizing Telemetry Pipelines in Splunk Observability Cloud

In this session, we will peel back the layers of Splunk Observability Cloud’s cost-optimization features. ...