Splunk Search

Blacklist WinEventLog::/Security with user names ending in $

ericrenfro
New Member

I'm trying to get a blacklisted log entry that works on Universal Forwarders to filter out specific event codes with user fields that end in $ in their value.

What I have now, works on my test environment with uploaded sample logs, but not directly on the Universal Forwarder itself:

blacklist1 = EventCode="(4624|4634)" user=".*\$"
blacklist2 = EventCode="4672" Account_Name=".*\$"

What can I do to get this right so it actually works? I know that in the event log, raw, the matching line actually is space indented and something like:

...
Subject:
  Security ID:    S-1-5-18
  Account Name:   something$
  Account Domain:   domain
...

Thank you!

0 Karma

spayneort
Contributor

Try these:

blacklist1 = EventCode="4624" Message="(?ms)New\sLogon:.*?Account\sName:[^\n]+\$$"
blacklist2 = EventCode="(4634|4672)" Message="(?m)Account\sName:[^\n]+\$$"
Get Updates on the Splunk Community!

Announcing Scheduled Export GA for Dashboard Studio

We're excited to announce the general availability of Scheduled Export for Dashboard Studio. Starting in ...

Extending Observability Content to Splunk Cloud

Watch Now!   In this Extending Observability Content to Splunk Cloud Tech Talk, you'll see how to leverage ...

More Control Over Your Monitoring Costs with Archived Metrics GA in US-AWS!

What if there was a way you could keep all the metrics data you need while saving on storage costs?This is now ...