Written by Levko Kravchuk, VanLUG Member
DISCLAIMER: Please use this article for study purposes only. I provide this information for Administrators who want to be more effective in their job.
Folks, I want to share with you an amazing technology — ICMP Tunnels. It was developed to bypass firewalls, DLP systems, and the main reason for its development is to use free Wi-Fi (captive portals). To do this, you need two PCs and Python3. In my case, I used Python virtual environment (venv). Install scapy using pip on both hosts. Then, log in to the scapy interactive shell and execute the following commands on the sender side…
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