missed one

Hunting Queries/MultipleDataSources/FireEyeRedTeamComms.yaml

@@ -22,7 +22,7 @@ query: |
   | where TimeGenerated > ago(lookback)
   | where RequestMethod == "GET"
   | where RequestURL contains "&parent_request_id="
-  | where RequestURL matches regex @"&parent_request_id=(?:[A-Za-z0-9_\/\+\-\%]{​​​​​​​128,1000}​​​​​​​)={​​​​​​​0,2}​​​​​​​[^\r\n]{​​​​​​​0,256}​​​​​​​"
+  | where RequestURL matches regex @"&parent_request_id=(?:[A-Za-z0-9_\/\+\-\%]{128,1000})={0,2}[^\r\n]{0,256}"
   | extend Quality = "high"
   | extend RuleName = "Backdoor.HTTP.BEACON.[Yelp GET]"
   | project TimeGenerated, Quality, RuleName, DeviceVendor, DeviceProduct, TenantId, SourceIP, DestinationIP, DestinationHostName, RequestMethod, RequestURL;