Splunk Search

Multi Line Event Field Extraction

johndunlea
Explorer

I have a SINGLE event in the following format (this is only part of the log):


/root/pegaruninit: Empty file
/root/eicar: Eicar-Test-Signature FOUND
/root/.bash_history: Empty file

This is part of an Antivirus log which is a "dump" of all the locations it scanned, and any viruses or signatures that it found.

What i want to do is create a REGEX and REPORT that extracts the "Eicar-Test_Signature" from the log, and place it in a field called "virus_found".

props.conf:

REPORT-extract_virus_clamav = extract_virus_clamav

transforms.conf:

[extract_virus_clamav]
REGEX = :\s(.+?)\sFOUND
FORMAT = virus_found::$1

Problem is that it is taking the FIRST ":" and taking everything from " Empty file/root/eicar: Eicar-Test-Signature" and placing THIS in the new field.

Is there a way to call a field extraction from ONE line at a time, from a multi line event??
EG: if the REGEX does not match the ":" AND the "FOUND" in one line, it continues to look through other lines??

I hope this makes sense!

Thanks!

0 Karma
1 Solution

southeringtonp
Motivator

Don't let your capture group include newlines and you should be ok.

REGEX = :\s([^\r\n]+)\sFOUND

View solution in original post

southeringtonp
Motivator

Don't let your capture group include newlines and you should be ok.

REGEX = :\s([^\r\n]+)\sFOUND

johndunlea
Explorer

Perfect solution. Thanks!

0 Karma
Get Updates on the Splunk Community!

Introducing the 2024 SplunkTrust!

Hello, Splunk Community! We are beyond thrilled to announce our newest group of SplunkTrust members!  The ...

Introducing the 2024 Splunk MVPs!

We are excited to announce the 2024 cohort of the Splunk MVP program. Splunk MVPs are passionate members of ...

Splunk Custom Visualizations App End of Life

The Splunk Custom Visualizations apps End of Life for SimpleXML will reach end of support on Dec 21, 2024, ...