Direct Autorun Keys Modification

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About the rule

Rule Type

Standard

Rule Description

Detects direct modification of autostart extensibility point (ASEP) in registry using reg.exe.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\reg.exe" AND COMMANDLINE contains "add") AND COMMANDLINE contains "\software\Microsoft\Windows\CurrentVersion\Run,\software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run,\software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run,\software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit,\software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell,\software\Microsoft\Windows NT\CurrentVersion\Windows,\software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders,\system\CurrentControlSet\Control\SafeBoot\AlternateShell" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Victor Sergeev, Daniil Yugoslavskiy, oscd.community