In addition to using RDP for lateral movement, APT39 has used this protocol to maintain persistence in a victim environment
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: In addition to using RDP for lateral movement, APT39 has used this protocol to maintain persistence in a victim environment ### Response: T1021.001.