has delivered zero-day exploits and malware to victims via targeted emails containing malicious attachments.(Citation: Symantec Elderwood Sept 2012)
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 delivered zero-day exploits and malware to victims via targeted emails containing malicious attachments.(Citation: Symantec Elderwood Sept 2012) ### Response: T1566.001.