External connection proxies are used to mask the destination of C2 traffic and are typically implemented with port redirectors.
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: External connection proxies are used to mask the destination of C2 traffic and are typically implemented with port redirectors. ### Response: T1090.002.