title: Default PowerSploit and Empire Schtasks Persistence
status: experimental
description: Detects the creation of a schtask via PowerSploit or Empire Default Configuration.
references:
    - https://github.com/0xdeadbeefJERKY/PowerSploit/blob/8690399ef70d2cad10213575ac67e8fa90ddf7c3/Persistence/Persistence.psm1
    - https://github.com/EmpireProject/Empire/blob/master/lib/modules/powershell/persistence/userland/schtasks.py
    - https://github.com/EmpireProject/Empire/blob/master/lib/modules/powershell/persistence/elevated/schtasks.py
author: Markus Neis, @Karneades
date: 2018/03/06
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        ParentImage:
            - '*\powershell.exe'
        CommandLine:
            - '*schtasks*/Create*/SC *ONLOGON*/TN *Updater*/TR *powershell*'
            - '*schtasks*/Create*/SC *DAILY*/TN *Updater*/TR *powershell*'
            - '*schtasks*/Create*/SC *ONIDLE*/TN *Updater*/TR *powershell*'
            - '*schtasks*/Create*/SC *Updater*/TN *Updater*/TR *powershell*'
    condition: selection
tags:
    - attack.execution
    - attack.persistence
    - attack.privilege_escalation
    - attack.t1053
    - attack.t1086
    - attack.s0111
    - attack.g0022
    - attack.g0060
    - car.2013-08-001
falsepositives:
    - False positives are possible, depends on organisation and processes
level: high