used ports 5190 and 7900 for shellcode listeners and 4444 4445 31337 for shellcode C2.
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: used ports 5190 and 7900 for shellcode listeners and 4444 4445 31337 for shellcode C2. ### Response: T1571.