ApexOne - Multiple deny or terminate actions on single IP

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Id	cd94e078-67b7-11ec-90d6-0242ac120003
Rulename	ApexOne - Multiple deny or terminate actions on single IP
Description	Detects multiple deny or terminate actions on single IP.
Severity	High
Tactics	InitialAccess
Techniques	T1190
Required data connectors	CefAma
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneMultipleDenyOrTerminateActionOnSingleIp.yaml
Version	1.0.3
Arm template	cd94e078-67b7-11ec-90d6-0242ac120003.json

KQL

let threshold = 5;
TMApexOneEvent
| where EventMessage has "Behavior Monitoring"
| where DvcAction == 2 or DvcAction == 3
| summarize count() by SrcIpAddr, bin(TimeGenerated, 10m)
| where count_ > threshold
| extend IPCustomEntity = SrcIpAddr

YAML

name: ApexOne - Multiple deny or terminate actions on single IP
query: |
  let threshold = 5;
  TMApexOneEvent
  | where EventMessage has "Behavior Monitoring"
  | where DvcAction == 2 or DvcAction == 3
  | summarize count() by SrcIpAddr, bin(TimeGenerated, 10m)
  | where count_ > threshold
  | extend IPCustomEntity = SrcIpAddr  
queryFrequency: 1h
triggerOperator: gt
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
status: Available
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneMultipleDenyOrTerminateActionOnSingleIp.yaml
description: |
    'Detects multiple deny or terminate actions on single IP.'
version: 1.0.3
id: cd94e078-67b7-11ec-90d6-0242ac120003
kind: Scheduled
relevantTechniques:
- T1190
severity: High
tactics:
- InitialAccess
queryPeriod: 1h

ARM