You need to bypass a firewall and decide to eccouncil video

Full Certification Question

You need to bypass a firewall and decide to use DNS for data exfiltration on a targeted network. By embedding malicious data within DNS protocol packets, you evade detection since DNSSEC does not identify the malicious content. This allows you to successfully inject malware, circumvent the firewall, and establish communication between the victim machine and the C&C server. Which technique would you use in this scenario?