Powershell Create Scheduled Task

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About the rule

Rule Type

Standard

Rule Description

Adversaries may abuse the Windows Task Scheduler to perform task scheduling for initial or recurring execution of malicious code

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "New-ScheduledTaskAction,New-ScheduledTaskTrigger,New-ScheduledTaskPrincipal,New-ScheduledTaskSettingsSet,New-ScheduledTask,Register-ScheduledTask" OR (SCRIPTEXECUTED contains "Invoke-CimMethod" AND SCRIPTEXECUTED contains "-ClassName" AND SCRIPTEXECUTED contains "PS_ScheduledTask" AND SCRIPTEXECUTED contains "-NameSpace" AND SCRIPTEXECUTED contains "Root\Microsoft\Windows\TaskScheduler") select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113