Figure 1: Contents of the Email A review of the email header data from the spear phishing messages showed that the threat actors sent the emails using the same infrastructure they have used in the past
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: Figure 1: Contents of the Email A review of the email header data from the spear phishing messages showed that the threat actors sent the emails using the same infrastructure they have used in the past ### Response: T1566.001.