Part of 's operation involved using  modules to copy itself to air-gapped machines using files written to USB sticks to transfer data and command traffic.(Citation: FireEye APT28)(Citation: ESET Sednit Part 2)
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: Part of 's operation involved using  modules to copy itself to air-gapped machines using files written to USB sticks to transfer data and command traffic.(Citation: FireEye APT28)(Citation: ESET Sednit Part 2) ### Response: T1092.