For   developed custom tools such as Sumarta DBLL Dropper  and  for their operations.(Citation: ClearSky Lazarus Aug 2020)(Citation: ESET Lazarus Jun 2020)(Citation: McAfee Lazarus Jul 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: For   developed custom tools such as Sumarta DBLL Dropper  and  for their operations.(Citation: ClearSky Lazarus Aug 2020)(Citation: ESET Lazarus Jun 2020)(Citation: McAfee Lazarus Jul 2020) ### Response: T1587.001.