can be used to proxy connections to machines located behind NAT or firewalls.(Citation: MalwareBytes Ngrok February 2020)
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: can be used to proxy connections to machines located behind NAT or firewalls.(Citation: MalwareBytes Ngrok February 2020) ### Response: T1090.