Mimecast Targeted Threat Protection - URL Protect

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Id	9d5545bd-1450-4086-935c-62f15fc4a4c9
Rulename	Mimecast Targeted Threat Protection - URL Protect
Description	Detects malicious scan results and actions which are not allowed
Severity	High
Tactics	InitialAccess Discovery
Techniques	T0865
Required data connectors	MimecastTTPAPI
Kind	Scheduled
Query frequency	5m
Query period	15m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastTTP/Analytic Rules/MimecastTTPUrl.yaml
Version	1.0.0
Arm template	9d5545bd-1450-4086-935c-62f15fc4a4c9.json

KQL

MimecastTTPUrl_CL| where scanResult_s == "malicious" and action_s != "allow";

YAML

id: 9d5545bd-1450-4086-935c-62f15fc4a4c9
enabled: true
relevantTechniques:
- T0865
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastTTP/Analytic Rules/MimecastTTPUrl.yaml
suppressionDuration: 5h
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: sendingIp_s
  entityType: IP
- fieldMappings:
  - identifier: Sender
    columnName: fromUserEmailAddress_s
  - identifier: InternetMessageId
    columnName: messageId_s
  - identifier: Recipient
    columnName: userEmailAddress_s
  entityType: MailMessage
- fieldMappings:
  - identifier: Url
    columnName: url_s
  entityType: URL
eventGroupingSettings:
  aggregationKind: AlertPerResult
requiredDataConnectors:
- dataTypes:
  - MimecastTTPUrl_CL
  connectorId: MimecastTTPAPI
triggerOperator: gt
queryFrequency: 5m
suppressionEnabled: false
queryPeriod: 15m
triggerThreshold: 0
incidentConfiguration:
  groupingConfiguration:
    enabled: true
    reopenClosedIncident: false
    matchingMethod: AllEntities
    lookbackDuration: 1d
  createIncident: true
query: MimecastTTPUrl_CL| where scanResult_s == "malicious" and action_s != "allow";
name: Mimecast Targeted Threat Protection - URL Protect
kind: Scheduled
alertRuleTemplateName: 
description: Detects malicious scan results and actions which are not allowed
severity: High
tactics:
- InitialAccess
- Discovery
version: 1.0.0

ARM