--- Name: Ie4uinit.exe Description: Executes commands from a specially prepared ie4uinit.inf file. Author: 'Oddvar Moe' Created: 2018-05-25 Commands: - Command: ie4uinit.exe -BaseSettings Description: Executes commands from a specially prepared ie4uinit.inf file. Usecase: Get code execution by copy files to another location Category: Execute Privileges: User MitreID: T1218 OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10 Full_Path: - Path: c:\windows\system32\ie4uinit.exe - Path: c:\windows\sysWOW64\ie4uinit.exe - Path: c:\windows\system32\ieuinit.inf - Path: c:\windows\sysWOW64\ieuinit.inf Code_Sample: - Code: Detection: - IOC: ie4uinit.exe copied outside of %windir% - IOC: ie4uinit.exe loading an inf file (ieuinit.inf) from outside %windir% - Sigma: https://github.com/SigmaHQ/sigma/blob/bea6f18d350d9c9fdc067f93dde0e9b11cc22dc2/rules/windows/process_creation/proc_creation_win_lolbin_ie4uinit.yml Resources: - Link: https://bohops.com/2018/03/10/leveraging-inf-sct-fetch-execute-techniques-for-bypass-evasion-persistence-part-2/ Acknowledgement: - Person: Jimmy Handle: '@bohops'