Hands-On Red Team Tactics

DNS

Domain Name Server (DNS) is the second most commonly used network protocol and one of the most popular ones for C2 communication with the target server. To set up a C2 covert channel, DNS uses different methods such as QUERY and RESPONSE. DNS is particularly powerful since no IP addresses need to be recalled and all administrations depend on DNS to achieve their goals. It is a straightforward method to impart malware.