Network Analysis: Session Data and Signatures

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Security

Network Analysis: Session Data and Signatures

In this lab, you’ll practice NetFlow and Suricata data analysis. When you’re finished, you’ll have the knowledge required to determine potential attacks based on careful analysis of available information including NetFlow and Suricata log data.

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Lab Info

Level

Beginner

Last updated

Oct 12, 2025

Duration

1h 45m

Challenge

Uncovering Network Reconnaissance

Analyze provided NetFlow data and Suricata alerts to identify signs of network reconnaissance, such as port scanning or OS fingerprinting. The objective is to use the pre-converted NetFlow data and pre-generated Suricata alerts to pinpoint the source and method of the reconnaissance activity.
Challenge

Detecting and Analyzing a DDoS Attack

Using pre-converted NetFlow data and pre-generated Suricata alerts, identify and analyze a simulated Distributed Denial of Service (DDoS) attack. Determine the characteristics of the attack, including its source, target, and impact on the network.
Challenge

Investigating a Malware Infection Scenario

Analyze pre-processed NetFlow data and Suricata alerts to trace a malware infection within the network. Identify the infection vector, command-and-control (C2) communications, and any lateral movement or data exfiltration attempts.
Challenge

The Last Challenge

● Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.

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