has acquired open-source tools for some of it's operations; for example it acquired  to establish an encrypted channel from a compromised host to 's C2 server as part of its preparation for the 2018 Winter Olympics attack.
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 acquired open-source tools for some of it's operations; for example it acquired  to establish an encrypted channel from a compromised host to 's C2 server as part of its preparation for the 2018 Winter Olympics attack. ### Response: T1588.002.