fix backend bool conversion errors

rules/windows/driver_load/driver_load_vuln_avast_anti_rootkit_driver.yml

@@ -6,6 +6,7 @@ author: Nasreddine Bencherchali
 references:
     - https://www.aon.com/cyber-solutions/aon_cyber_labs/yours-truly-signed-av-driver-weaponizing-an-antivirus-driver/
 date: 2022/07/28
+modified: 2022/08/24
 logsource:
     product: windows
     category: driver_load
@@ -22,7 +23,7 @@ detection:
     driver_img:
         ImageLoaded|endswith: '\aswArPot.sys'
     driver_status:
-        - Signed: false
+        - Signed: 'false'
         - SignatureStatus: Expired
     condition: 1 of selection* or all of driver_*
 falsepositives:

rules/windows/network_connection/net_connection_win_remote_powershell_session_network.yml

@@ -6,7 +6,7 @@ author: Roberto Rodriguez @Cyb3rWard0g
 references:
   - https://threathunterplaybook.com/notebooks/windows/02_execution/WIN-190511223310.html
 date: 2019/09/12
-modified: 2022/08/16
+modified: 2022/08/24
 logsource:
   category: network_connection
   product: windows
@@ -15,7 +15,7 @@ detection:
     DestinationPort:
       - 5985
       - 5986
-    Initiated: true  # only matches of the initiating system can be evaluated
+    Initiated: 'true'  # only matches of the initiating system can be evaluated
   filter:
     - User|contains: # covers many language settings for Network Service, please expand
       - 'NETWORK SERVICE'