has exploited multiple Microsoft Office and .NET vulnerabilities for execution including CVE-2017-0199 CVE-2017-8759 and CVE-2017-11882.(Citation: Proofpoint Leviathan Oct 2017)(Citation: FireEye Periscope March 2018)(Citation: CISA AA21-200A APT40 July 2021)
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 exploited multiple Microsoft Office and .NET vulnerabilities for execution including CVE-2017-0199 CVE-2017-8759 and CVE-2017-11882.(Citation: Proofpoint Leviathan Oct 2017)(Citation: FireEye Periscope March 2018)(Citation: CISA AA21-200A APT40 July 2021) ### Response: T1203.