Ping Federate - Abnormal password reset attempts

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Id	e45a7334-2cb4-4690-8156-f02cac73d584
Rulename	Ping Federate - Abnormal password reset attempts
Description	Detects abnormal password reset attempts for user in short period of time.
Severity	High
Tactics	CredentialAccess
Techniques	T1110
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/PingFederateAbnormalPasswordResetsAttempts.yaml
Version	1.0.3
Arm template	e45a7334-2cb4-4690-8156-f02cac73d584.json

KQL

let threshold = 10;
PingFederateEvent
| where EventType =~ 'PWD_RESET_REQUEST'
| summarize count() by DstUserName, bin(TimeGenerated, 30m)
| where count_ > threshold
| extend AccountCustomEntity = DstUserName

YAML

status: Available
queryFrequency: 1d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PingFederate/Analytic Rules/PingFederateAbnormalPasswordResetsAttempts.yaml
kind: Scheduled
description: |
    'Detects abnormal password reset attempts for user in short period of time.'
triggerOperator: gt
tactics:
- CredentialAccess
queryPeriod: 1d
triggerThreshold: 0
id: e45a7334-2cb4-4690-8156-f02cac73d584
severity: High
requiredDataConnectors:
- connectorId: CefAma
  dataTypes:
  - CommonSecurityLog
version: 1.0.3
query: |
  let threshold = 10;
  PingFederateEvent
  | where EventType =~ 'PWD_RESET_REQUEST'
  | summarize count() by DstUserName, bin(TimeGenerated, 30m)
  | where count_ > threshold
  | extend AccountCustomEntity = DstUserName  
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
  entityType: Account
name: Ping Federate - Abnormal password reset attempts
relevantTechniques:
- T1110

ARM