has used the open source reverse proxy tools including FRPC and Go Proxy to establish connections from C2 to local servers.(Citation: CISA AA20-259A Iran-Based Actor September 2020)(Citation: ClearSky Pay2Kitten December 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: has used the open source reverse proxy tools including FRPC and Go Proxy to establish connections from C2 to local servers.(Citation: CISA AA20-259A Iran-Based Actor September 2020)(Citation: ClearSky Pay2Kitten December 2020) ### Response: T1090.