---
title: "Discussion on \"Lab 23: Writing My First Splunk Detection Rule\" | Hashnode"
description: "Discussion on \"Lab 23: Writing My First Splunk Detection Rule\". How I wrote an SPL query to detect SSH brute force activity, configured a real-time Splunk alert, and validated it against 75 live events."
url: "https://hashnode.com/posts/lab-23-writing-my-first-splunk-detection-rule/6ab1fff8beae88aed7ea27a3"
---

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# [Lab 23: Writing My First Splunk Detection Rule](https://blog.routetoroot.io/lab-23-writing-my-first-splunk-detection-rule?utm_source=hashnode&utm_medium=feed)

How I wrote an SPL query to detect SSH brute force activity, configured a real-time Splunk alert, and validated it against 75 live events.

Sep 22 · 4 min read · blog.routetoroot.io  
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-   [#infosec](https://hashnode.com/tag/infosec)
-   [#splunk](https://hashnode.com/tag/splunk)
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## Written by

[routetoroot](https://hashnode.com/@routetoroot)

@routetoroot · Los Angeles, California

  
[View profile](https://hashnode.com/@routetoroot)

Cybersecurity walkthroughs, CTF writeups, and notes from the field. From zero to root.

Self-taught cybersecurity practitioner documenting the path from zero to root. SOC analyst, CTF player, detection engineer. 29 hands-on labs and counting.

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