The C2 server used by  provides a port number to the victim to use as a fallback in case the connection closes on the currently used port.
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: The C2 server used by  provides a port number to the victim to use as a fallback in case the connection closes on the currently used port. ### Response: T1008.