This technique has been observed both for the dynamic opening of a listening port as well as the initiating of a connection to a listening server on a different system.
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: This technique has been observed both for the dynamic opening of a listening port as well as the initiating of a connection to a listening server on a different system. ### Response: T1205.001.