Interestingly, the delivery document borrowed a technique which was publicized in late 2017 as being used by the Sofacy threat actors, embedding the main malicious code in a EXIF metadata property of the document
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: Interestingly, the delivery document borrowed a technique which was publicized in late 2017 as being used by the Sofacy threat actors, embedding the main malicious code in a EXIF metadata property of the document ### Response: T1140.