Ping Federate - Authentication from new IP

let known_src = 
PingFederateEvent
| where TimeGenerated between (ago(14d) .. (1d))
| where EventType in~ ('AUTHN_ATTEMPT', 'SSO')
| where isnotempty(SrcIpAddr)
| summarize makeset(SrcIpAddr);
PingFederateEvent
| where EventType in~ ('AUTHN_ATTEMPT', 'SSO')
| where isnotempty(SrcIpAddr)
| where SrcIpAddr !in (known_src)
| extend AccountCustomEntity = DstUserName
| extend IpCustomEntity = SrcIpAddr

queryPeriod: 14d
query: |
  let known_src = 
  PingFederateEvent
  | where TimeGenerated between (ago(14d) .. (1d))
  | where EventType in~ ('AUTHN_ATTEMPT', 'SSO')
  | where isnotempty(SrcIpAddr)
  | summarize makeset(SrcIpAddr);
  PingFederateEvent
  | where EventType in~ ('AUTHN_ATTEMPT', 'SSO')
  | where isnotempty(SrcIpAddr)
  | where SrcIpAddr !in (known_src)
  | extend AccountCustomEntity = DstUserName
  | extend IpCustomEntity = SrcIpAddr  
name: Ping Federate - Authentication from new IP.
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
- fieldMappings:
  - columnName: IpCustomEntity
    identifier: Address
  entityType: IP
queryFrequency: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PingFederate/Analytic Rules/PingFederateAuthFromNewSource.yaml
requiredDataConnectors:
- connectorId: CefAma
  dataTypes:
  - CommonSecurityLog
description: |
    'Detects authentication requests from new IP address.'
kind: Scheduled
version: 1.0.3
status: Available
severity: Low
relevantTechniques:
- T1078
triggerOperator: gt
triggerThreshold: 0
tactics:
- InitialAccess
id: 30583ed4-d13c-43b8-baf2-d75fbe727210