gathered the fully qualified domain names (FQDNs) for targeted Exchange servers in the victim's environment.
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: gathered the fully qualified domain names (FQDNs) for targeted Exchange servers in the victim's environment. ### Response: T1590.