sent spearphishing emails that contained malicious Microsoft Office and fake installer file attachments.(Citation: Unit 42 Tropic Trooper Nov 2016)(Citation: TrendMicro TropicTrooper 2015)(Citation: CitizenLab Tropic Trooper Aug 2018)(Citation: Anomali Pirate Panda April 2020)
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: sent spearphishing emails that contained malicious Microsoft Office and fake installer file attachments.(Citation: Unit 42 Tropic Trooper Nov 2016)(Citation: TrendMicro TropicTrooper 2015)(Citation: CitizenLab Tropic Trooper Aug 2018)(Citation: Anomali Pirate Panda April 2020) ### Response: T1566.001.