TI map IP entity to LastPass data

Requête originale, sans modification.

let dt_lookBack = 1h;
let ioc_lookBack = 14d;
ThreatIntelligenceIndicator
| where TimeGenerated >= ago(ioc_lookBack) and ExpirationDateTime > now()
| where Active == true
// Picking up only IOC's that contain the entities we want
| where isnotempty(NetworkIP) or isnotempty(EmailSourceIpAddress) or isnotempty(NetworkDestinationIP) or isnotempty(NetworkSourceIP)
// As there is potentially more than 1 indicator type for matching IP, taking Network IP first, then others if that is empty.
// Taking the first non-empty value based on potential IOC match availability
| extend TI_ipEntity = iff(isnotempty(NetworkIP), NetworkIP, NetworkDestinationIP)
| extend TI_ipEntity = iff(isempty(TI_ipEntity) and isnotempty(NetworkSourceIP), NetworkSourceIP, TI_ipEntity)
| extend TI_ipEntity = iff(isempty(TI_ipEntity) and isnotempty(EmailSourceIpAddress), EmailSourceIpAddress, TI_ipEntity)
| join (
    LastPassNativePoller_CL | where todatetime(Time_s) >= ago(dt_lookBack)
    | where Action_s != "Reporting"
    // renaming time column so it is clear the log this came from
    | extend LastPass_TimeGenerated = todatetime(Time_s)
)
on $left.TI_ipEntity == $right.IP_Address_s
| summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by IndicatorId
| project LatestIndicatorTime, Description, ActivityGroupNames, IndicatorId, ThreatType, Url, ExpirationDateTime, ConfidenceScore, LastPass_TimeGenerated, 
TI_ipEntity, IP_Address_s, Username_s, Action_s, Data_s, NetworkIP, NetworkDestinationIP, NetworkSourceIP, EmailSourceIpAddress