has used encoded PowerShell scripts uploaded to  installations to download and install .(Citation: Symantec Seaduke 2015)(Citation: Mandiant No Easy Breach)(Citation: ESET T3 Threat Report 2021)
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 encoded PowerShell scripts uploaded to  installations to download and install .(Citation: Symantec Seaduke 2015)(Citation: Mandiant No Easy Breach)(Citation: ESET T3 Threat Report 2021) ### Response: T1059.001.