Potential DLL Sideloading Via DeviceEnroller.EXE

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About the rule

Rule Type

Standard

Rule Description

Detects the use of the PhoneDeepLink parameter to potentially sideload a DLL file that does not exist. This non-existent DLL file is named "ShellChromeAPI.dll". Adversaries can drop their own renamed DLL and execute it via DeviceEnroller.exe using this parameter

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\deviceenroller.exe" OR ORIGINALFILENAME = "deviceenroller.exe") AND COMMANDLINE contains "/PhoneDeepLink" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

@gott_cyber