can use SSL/TLS encryption for its HTTP-based C2 channel.  has used public key cryptography with RSA and AES encrypted email attachments for its Gmail C2 channel.(Citation: ESET ComRAT May 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 use SSL/TLS encryption for its HTTP-based C2 channel.  has used public key cryptography with RSA and AES encrypted email attachments for its Gmail C2 channel.(Citation: ESET ComRAT May 2020)  ### Response: T1573.002.