has compressed the  executable within malicious email attachments.  has also encrypted payloads before they are downloaded to victims.
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 compressed the  executable within malicious email attachments.  has also encrypted payloads before they are downloaded to victims. ### Response: T1027.