Tamara Chacon's Blog Posts

Tamara Chacon

Tamara is a member of Splunk's SURGe team. Before joining Splunk, she worked as a network engineer.

Detecting Dubious Domains with Levenshtein, Shannon & URL Toolbox
Security
6 Minute Read

Detecting Dubious Domains with Levenshtein, Shannon & URL Toolbox

Got some parsed fields that you're ready to analyze... possibly for threat hunting? We'll use Levenshtein, Shannon & URL Toolbox to show you how!
Parsing Domains with URL Toolbox (Just Like House Slytherin)
Security
3 Minute Read

Parsing Domains with URL Toolbox (Just Like House Slytherin)

One of the most popular Splunk security apps of all time, URL Toolbox’s URL parsing capabilities have been leveraged by thousands. Full story here.
Using eval to Calculate, Appraise, Classify, Estimate & Threat Hunt
Security
5 Minute Read

Using eval to Calculate, Appraise, Classify, Estimate & Threat Hunt

This article discusses a foundational capability within Splunk — the eval command. Need to pick a couple commands for your desert island collection? eval should be one!
Using RegEx for Threat Hunting (It’s Not Gibberish, We Promise!)
Security
4 Minute Read

Using RegEx for Threat Hunting (It’s Not Gibberish, We Promise!)

Another excellent tool for your threat hunting: RegEx! SPL offers two commands for utilizing regular expressions in Splunk searches. See how to do it here.
Stat! 3 Must-Have Data Filtering Techniques
Security
6 Minute Read

Stat! 3 Must-Have Data Filtering Techniques

To hunt for threats, there's a lot of data you do NOT need. Here are the 3 must-have data filtering techniques so you can hunt those threats STAT!
Using metadata & tstats for Threat Hunting
Security
4 Minute Read

Using metadata & tstats for Threat Hunting

Behold the power of metadata and tstats commands! These commands will quickly provide situational awareness of your hosts and sourcetypes as you begin hunting.