Mimecast Targeted Threat Protection - URL Protect
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 |
MimecastTTPUrl_CL| where scanResult_s == "malicious" and action_s != "allow";
queryPeriod: 15m
alertRuleTemplateName:
triggerOperator: gt
queryFrequency: 5m
id: 9d5545bd-1450-4086-935c-62f15fc4a4c9
suppressionEnabled: false
enabled: true
requiredDataConnectors:
- dataTypes:
- MimecastTTPUrl_CL
connectorId: MimecastTTPAPI
version: 1.0.0
severity: High
tactics:
- InitialAccess
- Discovery
entityMappings:
- entityType: IP
fieldMappings:
- columnName: sendingIp_s
identifier: Address
- entityType: MailMessage
fieldMappings:
- columnName: fromUserEmailAddress_s
identifier: Sender
- columnName: messageId_s
identifier: InternetMessageId
- columnName: userEmailAddress_s
identifier: Recipient
- entityType: URL
fieldMappings:
- columnName: url_s
identifier: Url
triggerThreshold: 0
relevantTechniques:
- T0865
query: MimecastTTPUrl_CL| where scanResult_s == "malicious" and action_s != "allow";
kind: Scheduled
eventGroupingSettings:
aggregationKind: AlertPerResult
name: Mimecast Targeted Threat Protection - URL Protect
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastTTP/Analytic Rules/MimecastTTPUrl.yaml
suppressionDuration: 5h
description: Detects malicious scan results and actions which are not allowed
incidentConfiguration:
createIncident: true
groupingConfiguration:
reopenClosedIncident: false
matchingMethod: AllEntities
enabled: true
lookbackDuration: 1d
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/9d5545bd-1450-4086-935c-62f15fc4a4c9')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9d5545bd-1450-4086-935c-62f15fc4a4c9')]",
"properties": {
"alertRuleTemplateName": "9d5545bd-1450-4086-935c-62f15fc4a4c9",
"customDetails": null,
"description": "Detects malicious scan results and actions which are not allowed",
"displayName": "Mimecast Targeted Threat Protection - URL Protect",
"enabled": true,
"entityMappings": [
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "sendingIp_s",
"identifier": "Address"
}
]
},
{
"entityType": "MailMessage",
"fieldMappings": [
{
"columnName": "fromUserEmailAddress_s",
"identifier": "Sender"
},
{
"columnName": "messageId_s",
"identifier": "InternetMessageId"
},
{
"columnName": "userEmailAddress_s",
"identifier": "Recipient"
}
]
},
{
"entityType": "URL",
"fieldMappings": [
{
"columnName": "url_s",
"identifier": "Url"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "AlertPerResult"
},
"incidentConfiguration": {
"createIncident": true,
"groupingConfiguration": {
"enabled": true,
"lookbackDuration": "P1D",
"matchingMethod": "AllEntities",
"reopenClosedIncident": false
}
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastTTP/Analytic Rules/MimecastTTPUrl.yaml",
"query": "MimecastTTPUrl_CL| where scanResult_s == \"malicious\" and action_s != \"allow\";",
"queryFrequency": "PT5M",
"queryPeriod": "PT15M",
"severity": "High",
"subTechniques": [],
"suppressionDuration": "PT5H",
"suppressionEnabled": false,
"tactics": [
"Discovery",
"InitialAccess"
],
"techniques": null,
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}