has used spearphishing emails with password protected RAR attachment to avoid being detected by the email gateway. 
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 used spearphishing emails with password protected RAR attachment to avoid being detected by the email gateway.  ### Response: T1566.001.