1. command line 명령어 활용 (1) whoami /user whoami /user (2) WMIC useraccount get name, sid WMIC useraccount get name, sid (3) WMIC useraccount where name="{name}" get sid 2. 레지스트리 확인 (1) HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ ProfileList