Ping Federate - OAuth old version

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Id	85f70197-4865-4635-a4b2-a9c57e8fea1b
Rulename	Ping Federate - OAuth old version
Description	Detects requests using not the latest version of OAuth protocol.
Severity	Medium
Tactics	InitialAccess
Techniques	T1190
Required data connectors	CefAma
Kind	Scheduled
Query frequency	1d
Query period	1d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PingFederate/Analytic Rules/PingFederateOauthOld.yaml
Version	1.0.3
Arm template	85f70197-4865-4635-a4b2-a9c57e8fea1b.json

KQL

PingFederateEvent
| where isnotempty(DeviceCustomString3)
| extend proto = extract(@'(OAuth)', 1, DeviceCustomString3)
| extend ver = extract(@'(\d+)', 1, DeviceCustomString3)
| where proto =~ 'OAuth'
| where ver !~ '20'
| extend AccountCustomEntity = DstUserName
| extend IpCustomEntity = SrcIpAddr

YAML

relevantTechniques:
- T1190
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
- entityType: IP
  fieldMappings:
  - columnName: IpCustomEntity
    identifier: Address
version: 1.0.3
id: 85f70197-4865-4635-a4b2-a9c57e8fea1b
severity: Medium
kind: Scheduled
queryFrequency: 1d
description: |
    'Detects requests using not the latest version of OAuth protocol.'
requiredDataConnectors:
- connectorId: CefAma
  dataTypes:
  - CommonSecurityLog
triggerOperator: gt
name: Ping Federate - OAuth old version
tactics:
- InitialAccess
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PingFederate/Analytic Rules/PingFederateOauthOld.yaml
triggerThreshold: 0
queryPeriod: 1d
query: |
  PingFederateEvent
  | where isnotempty(DeviceCustomString3)
  | extend proto = extract(@'(OAuth)', 1, DeviceCustomString3)
  | extend ver = extract(@'(\d+)', 1, DeviceCustomString3)
  | where proto =~ 'OAuth'
  | where ver !~ '20'
  | extend AccountCustomEntity = DstUserName
  | extend IpCustomEntity = SrcIpAddr  
status: Available

ARM