has used their own web shells as well as those previously placed on target systems by other threat actors for reconnaissance and lateral movement.
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 their own web shells as well as those previously placed on target systems by other threat actors for reconnaissance and lateral movement. ### Response: T1505.003.