This change is because Group 123 did not target South Korea during this campaign and Microsoft Office is standard in the rest of the world.Infection VectorsThe attackers exploited CVE-2017-0199 in order to download and execute a malicious HTA document inside of Microsoft Office
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: This change is because Group 123 did not target South Korea during this campaign and Microsoft Office is standard in the rest of the world.Infection VectorsThe attackers exploited CVE-2017-0199 in order to download and execute a malicious HTA document inside of Microsoft Office ### Response: T1203.