When we analyzed the email headers, we determined that the email was sent from an SMTP server using an IP associated with the Yonsei University network
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: When we analyzed the email headers, we determined that the email was sent from an SMTP server using an IP associated with the Yonsei University network ### Response: T1016.