In our many publications, we had discussed over C2-channel who is additionally acknowledged as command & control so you may find out it here. Read more from here Command & Control via ICMP Protocol The target host responds with an echo Reply which means the target host is alive. According to MTU the size of the ICMP packet cannot be greater than 1500 bytes.Ī ping command sends an ICMP echo request to the target host. network layer protocol used by the ping command for sending a message through ICMP payload which is encapsulated with IP Header Packet. It is used by network devices, including routers, to send error messages and operational information which indicates that a requested service is not available or that a host or router could not be reached. The Internet Control Message Protocol (ICMP) is a supporting protocol in the Internet protocol suite. Configure ICMP tunnel over Client Machine (Intruder).Configure ICMP over Server Machine (Target).Table of Contentīrief Summary on working of ICMP Protocol In this article, you will learn about the RED TEAM Operation for data exfiltration via ICMP-C2 and ICMP Tunneling because both approaches are useful in order to circumvent firewall rules because they generate unsound traffic in the network.
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