Suspicious parent spawning svchost

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About the rule

Rule Type

Standard

Rule Description

Detects instances where the "svchost.exe" process is running, and it's not initiated by the expected parent processes "MsMpEng.exe" or "services.exe"

Severity

Critical

Rule Requirement

Criteria

Action1: actionname = "Process started" AND ((PROCESSNAME endswith "Windows\System32\svchost.exe" OR PROCESSNAME endswith "Windows\SysWow64\svchost.exe" OR PROCESSNAME endswith "WINNT\system32\svchost.exe") AND (PARENTPROCESSNAME notendswith "Windows\System32\services.exe" AND PARENTPROCESSNAME notendswith "Windows\SysWow64\services.exe" AND PARENTPROCESSNAME notendswith "WINNT\system32\services.exe" AND PARENTPROCESSNAME notendswith "MsMpEng.exe")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows