title: Remote PowerShell Session
id: c539afac-c12a-46ed-b1bd-5a5567c9f045
description: Detects remote PowerShell seccions by monitoring network outbount connections to ports 5985 or 5986 from not network service account
status: experimental
date: 2019/09/12
author: Roberto Rodriguez @Cyb3rWard0g
references:
    - https://github.com/Cyb3rWard0g/ThreatHunter-Playbook/tree/master/playbooks/windows/02_execution/T1086_powershell/powershell_remote_session.md
tags:
    - attack.execution
    - attack.t1086
logsource:
    product: windows
    service: sysmon
detection:
    selection: 
        EventID: 3
        DestinationPort:
            - 5985
            - 5986
    filter:
        User: 'NT AUTHORITY\NETWORK SERVICE'
    condition: selection and not filter
falsepositives:
    - Unknown
level: critical