Removed ATT&CK technique ids from titles and added tags

rules/windows/powershell/powershell_remote_powershell_session.yml

@@ -1,4 +1,4 @@
-title: T1086 Remote PowerShell Session
+title: Remote PowerShell Session
 id: 96b9f619-aa91-478f-bacb-c3e50f8df575
 description: Detects remote PowerShell sessions
 status: experimental
@@ -7,6 +7,9 @@ modified: 2019/11/10
 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: powershell
@@ -20,4 +23,4 @@ detection:
     condition: selection
 falsepositives:
     - Unknown
-level: critical
+level: critical