Command and control To traverse the firewall, C2 traffic for most TG-3390 tools occurs over ports 53, 80, and 443
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: Command and control To traverse the firewall, C2 traffic for most TG-3390 tools occurs over ports 53, 80, and 443 ### Response: T1571.