Splunk Search

REGEX for authentication logs

hartfoml
Motivator

I have authentication logs like below:

,AUTHN_METHOD_FOO,123!@#123!@#123!@#asdfgdvfd,123!@#123!@#123!@#asdfgdvfd,123!@#123!@#123!@#asdfgdvfd,123!@#123!@#123!@#asdfgdvfd,username,FIRST,LAST,

I want to use regex to build transform for a field called username and first and last

I had this but it didn't work

rex "(?i)AUTHN_METHOD_*+,*+,*+,*+,*+,(?P<username>[^,]+)"

Any help would be great!!!

Tags (1)
0 Karma
1 Solution

somesoni2
Revered Legend

Try this

rex "(?i)AUTHN_METHOD_\w+,.*,(?<username>[^,]+),(?<first>[^,]+),(?<last>[^,]+)"

View solution in original post

somesoni2
Revered Legend

Try this

rex "(?i)AUTHN_METHOD_\w+,.*,(?<username>[^,]+),(?<first>[^,]+),(?<last>[^,]+)"

hartfoml
Motivator

Thanks, I have a problem becasue the \w+ could be one work or several like this "SUCCESS_TEMPORARY_FIXED_TOKENCODE" and the .* for the 4 sets of guid numbers seems odd

0 Karma
Career Survey
First 500 qualified respondents will receive a $20 gift card! Tell us about your professional Splunk journey.
Get Updates on the Splunk Community!

Thanks for the Memories! Splunk University, .conf25, and our Community

Thank you to everyone in the Splunk Community who joined us for .conf25, which kicked off with our iconic ...

Data Persistence in the OpenTelemetry Collector

This blog post is part of an ongoing series on OpenTelemetry. What happens if the OpenTelemetry collector ...

Introducing Splunk 10.0: Smarter, Faster, and More Powerful Than Ever

Now On Demand Whether you're managing complex deployments or looking to future-proof your data ...