Mimecast Targeted Threat Protection - URL Protect

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Id	952faed4-c6a6-4873-aeb9-b348e9ce5aba
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	30m
Query period	30m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Mimecast/Analytic Rules/MimecastTTP/Mimecast_TTP_Url.yaml
Version	1.0.1
Arm template	952faed4-c6a6-4873-aeb9-b348e9ce5aba.json

KQL

MimecastTTPUrl
| where ['Scan Result'] == "malicious" and Action != "allow"
| extend  From_User_EmailAddress = ['From User Email Address'],MessageID = ['Message ID'] , User_EmailAddress = ['User Email Address'], SendingIP = ['Sending IP']

YAML

tactics:
- InitialAccess
- Discovery
id: 952faed4-c6a6-4873-aeb9-b348e9ce5aba
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Mimecast/Analytic Rules/MimecastTTP/Mimecast_TTP_Url.yaml
suppressionEnabled: false
status: Available
description: |
    'Detects malicious scan results and actions which are not allowed.'
version: 1.0.1
severity: High
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: SendingIP
  entityType: IP
- fieldMappings:
  - identifier: Sender
    columnName: From_User_EmailAddress
  - identifier: InternetMessageId
    columnName: MessageID
  - identifier: Recipient
    columnName: User_EmailAddress
  entityType: MailMessage
- fieldMappings:
  - identifier: Url
    columnName: Url
  entityType: URL
kind: Scheduled
name: Mimecast Targeted Threat Protection - URL Protect
query: |
  MimecastTTPUrl
  | where ['Scan Result'] == "malicious" and Action != "allow"
  | extend  From_User_EmailAddress = ['From User Email Address'],MessageID = ['Message ID'] , User_EmailAddress = ['User Email Address'], SendingIP = ['Sending IP']  
suppressionDuration: 5h
queryPeriod: 30m
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryFrequency: 30m
triggerOperator: gt
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    enabled: true
    matchingMethod: AllEntities
    lookbackDuration: P7D
  createIncident: true
requiredDataConnectors:
- connectorId: MimecastTTPAPI
  dataTypes:
  - MimecastTTPUrl
relevantTechniques:
- T0865

ARM