Suspicious parent spawning autochk
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About the rule
Rule Type
Standard
Rule Description
Detects instances of the "autochk.exe" process that are not spawned by the legitimate "smss.exe" process
Severity
Critical
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "autochk.exe" AND (PARENTPROCESSNAME notendswith "Windows\System32\smss.exe" AND PARENTPROCESSNAME notendswith "Windows\SysWow64\smss.exe" AND PARENTPROCESSNAME notendswith "Windows\smss.exe" AND PARENTPROCESSNAME notendswith "Windows\System32\Event Agent\Bin\smss.exe")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
