Feature/rm submodule (#312)

* rm: submodule

* Add: rules

* Fix: hayabusa-rules to c9c10a

rules/sigma/process_creation/win_renamed_powershell.yml

@@ -0,0 +1,38 @@
+
+title: Renamed PowerShell
+ruletype: Sigma
+author: Florian Roth, frack113
+date: 2019/08/22
+description: Detects the execution of a renamed PowerShell often used by attackers
+  or malware
+detection:
+  SELECTION_1:
+    EventID: 1
+  SELECTION_2:
+    Description:
+    - Windows PowerShell*
+    - pwsh*
+  SELECTION_3:
+    Company: Microsoft Corporation
+  SELECTION_4:
+    Image:
+    - '*\powershell.exe'
+    - '*\powershell_ise.exe'
+    - '*\pwsh.exe'
+  condition: (SELECTION_1 and (SELECTION_2 and SELECTION_3) and  not (SELECTION_4))
+falsepositives:
+- Unknown
+id: d178a2d7-129a-4ba4-8ee6-d6e1fecd5d20
+level: critical
+logsource:
+  category: process_creation
+  product: windows
+modified: 2021/07/03
+references:
+- https://twitter.com/christophetd/status/1164506034720952320
+status: experimental
+tags:
+- car.2013-05-009
+- attack.defense_evasion
+- attack.t1036
+- attack.t1036.003