Welcome To
Free Lab Fridays
Free Lab Fridays is an initiative started by
Black Hills Information Security, Antisyphon Training, and their partner, MetaCTF
This initiative has a simple goal: Education for All.
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Browse through our Lab Database
6 items
Covert TCP Lab
CovertTCP - IP Identification Covert Channel Capture file: Topology Role IP Address MAC Address Notes Sender (covert encoder) 10.1.1.10 00:AA:BB:CC:DD:01 Encodes secret data in outbound IPID fields…
fragroute lab
IP Packet Fragmentation via Fragroute - Hands-On Lab Capture file: Topology Role IP Address MAC Address Notes Victim / IDS 192.168.20.10 00:11:22:33:44:AA Runs a shallow-inspection IDS/firewall…
Network Threat Hunting
Network Threat Hunting Network threat hunting is the practice of actively searching network traffic for signs of malicious behavior instead of waiting for alerts to fire. It focuses on finding…
Network Threat Hunting CTF #1
Check out this CTF challenge from Faan Rossouw & Keith Chew’s webcast on October 25th, 2025!
Network Threat Hunting CTF #2
Check out this CTF challenge from Troy Wojewoda’s webcast on December 11th, 2025!