Suspicious Reg Add Open Command

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About the rule

Rule Type

Standard

Rule Description

Threat actors performed dumping of SAM, SECURITY and SYSTEM registry hives using DelegateExecute key

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (COMMANDLINE contains "reg" AND COMMANDLINE contains "add" AND COMMANDLINE contains "hkcu\software\classes\ms-settings\shell\open\command" AND COMMANDLINE contains "/ve " AND COMMANDLINE contains "/d") OR (COMMANDLINE contains "reg" AND COMMANDLINE contains "add" AND COMMANDLINE contains "hkcu\software\classes\ms-settings\shell\open\command" AND COMMANDLINE contains "/v" AND COMMANDLINE contains "DelegateExecute") OR (COMMANDLINE contains "reg" AND COMMANDLINE contains "delete" AND COMMANDLINE contains "hkcu\software\classes\ms-settings") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113