Infoblox - TI - Syslog Match Found - URL

Original query, unchanged.

let dt_lookBack = 1h;
let ioc_lookBack = 14d;
let TI = ThreatIntelligenceIndicator
| where TimeGenerated >= ago(ioc_lookBack)
| summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by IndicatorId
| where Active == true and ExpirationDateTime > now()  
| where Description has_cs "Infoblox - URL"
| where isnotempty(DomainName)
;
let Data = Syslog
| extend HitTime = TimeGenerated
| where TimeGenerated >= ago(dt_lookBack)
//Extract URL patterns from syslog message
| extend Url = extract("(http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\\(\\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+)", 1,SyslogMessage)
| where isnotempty(Url)
;
TI | join kind=innerunique Data on $left.DomainName == $right.Url
| where HitTime >= TimeGenerated and HitTime < ExpirationDateTime
| project LatestIndicatorTime, HitTime, SyslogMessage, Computer, ProcessName, Url, HostIP, 
AdditionalInformation, Description, ThreatType, TrafficLightProtocolLevel, Type, ConfidenceScore, ExpirationDateTime, SourceSystem, Action, IndicatorId, ExternalIndicatorId, Tags