Retracing the steps preceding exploit detection, FireEye identified that System.doc was dropped by a file named ERFT-Details.xls 
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: Retracing the steps preceding exploit detection, FireEye identified that System.doc was dropped by a file named ERFT-Details.xls  ### Response: .