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Log4j Vulnerability Lab: Emulation and Detection

In this lab, you will set up and emulate the log4shell exploit against vulnerable applications. When you're finished, you'll have a better understanding of how the exploit works and how to detect it.

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Lab Info
Level
Intermediate
Last updated
Oct 12, 2025
Duration
2h 45m

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Table of Contents
  1. Challenge

    Setup Network Detections

    In this challenge you will setup Suricata and tcpdump for network analysis and detection. You will also test the vulnerable application that will be running on the defender's endpoint.

  2. Challenge

    Setup Malicious LDAP Server and POC

    This challenge will have you testing a Proof of Concept (POC) exploit against a vulnerable application.

  3. Challenge

    Upgrade to a Reverse Shell

    Here you will be upgrading the previous payload to establish a reverse shell and sending commands to the exploited application.

  4. Challenge

    Analysis and Detection

    In this challenge, you will dive into analyzing suricata logs and network traffic based on the previous activity that you generated.

  5. Challenge

    The Last Challenge

    The last challenge of this lab and your last chance to experience the environment before clicking Next and ending this small little world that flittered into existence just for you.

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