Unusual Scheduled Task

Description: Minutely interval or with highest run level, wscript/cscript, rundll32 (1), rundll32 (2), AppData
SPL:

| tstats summariesonly=true allow_old_summaries=true count FROM datamodel=Endpoint.Processes WHERE index="windows" Processes.process_name="schtasks.exe" (Processes.process IN ("*minute*", "*highest*") OR (Processes.process="*create*" Processes.process IN ("*wscript*", "*cscript*", "*rundll32*", "*AppData*"))) BY index, host, Processes.signature_id, Processes.signature, Processes.parent_process, Processes.process, Processes.user, _time span=1s
| rename Processes.* AS *, signature_id AS EventCode, signature AS EventDescription
| eval Time = strftime(_time, "%Y-%m-%d %H:%M:%S %z")
| lookup ad_users sAMAccountName AS user OUTPUT displayName AS Name, mail AS Email
| table Time, index, host, EventCode, EventDescription, parent_process, process, user, Name, EmailCopy

| tstats summariesonly=true allow_old_summaries=true count FROM datamodel=Change.All_Changes WHERE index="windows" All_Changes.result_id=4698 All_Changes.object_attrs IN ("*wscript*", "*cscript*", "*rundll32*", "*AppData*") BY host, All_Changes.command, All_Changes.object, All_Changes.object_attrs, All_Changes.result, All_Changes.result_id, All_Changes.user, _time span=1s
| rename All_Changes.* AS *, object AS TaskName, result AS EventDescription, result_id AS EventCode, object_attrs AS TaskAttributes
| eval Time = strftime(_time, "%Y-%m-%d %H:%M:%S %z")
| table Time, host, TaskName, command, EventCode, EventDescription, user, TaskAttributesCopy