The attackers used spear phishing emails combined with malicious HWP documents created using Hancom Hangul Office Suite
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: The attackers used spear phishing emails combined with malicious HWP documents created using Hancom Hangul Office Suite ### Response: T1566.001.