Dataverse - TI map URL to DataverseActivity
Id | d88a0e22-3b6a-40c2-af28-c064b44d03b7 |
Rulename | Dataverse - TI map URL to DataverseActivity |
Description | Identifies a match in DataverseActivity from any URL IOC from Microsoft Sentinel Threat Intelligence. |
Severity | Medium |
Tactics | InitialAccess Execution Persistence |
Techniques | T1566 T1456 T1474 T0819 T0865 T0862 T0863 T1204 T1574 T0873 |
Required data connectors | Dataverse MicrosoftDefenderThreatIntelligence ThreatIntelligence ThreatIntelligenceTaxii |
Kind | Scheduled |
Query frequency | 1h |
Query period | 14d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Business Applications/Analytic Rules/Dataverse - TI map URL to DataverseActivity.yaml |
Version | 3.2.0 |
Arm template | d88a0e22-3b6a-40c2-af28-c064b44d03b7.json |
let dt_lookBack = 1h;
let ioc_lookBack = 14d;
ThreatIntelligenceIndicator
| where TimeGenerated >= ago(ioc_lookBack) and ExpirationDateTime > now()
| summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by IndicatorId
| where Active == true
| where isnotempty(Url)
| join kind=innerunique (
DataverseActivity
| where TimeGenerated >= ago(dt_lookBack)
| where Message in ("Create", "Update")
| where isnotempty(Fields) and Fields has "http"
| extend
ExtractedUrls = extract_all("(http[s]?://(?:[a-zA-Z\\.-]|[0-9])+)", tostring(Fields)),
DataverseActivity_TimeGenerated = TimeGenerated
| mv-expand Url = ExtractedUrls
| project
DataverseActivity_TimeGenerated,
tostring(Url),
UserId,
ClientIp,
InstanceUrl,
EntityName
)
on Url
| where DataverseActivity_TimeGenerated < ExpirationDateTime
| summarize DataverseActivity_TimeGenerated = arg_max(DataverseActivity_TimeGenerated, *) by IndicatorId, Url
| extend
CloudAppId = int(32780),
AccountName = tostring(split(UserId, '@')[0]),
UPNSuffix = tostring(split(UserId, '@')[1])
| project
DataverseActivity_TimeGenerated,
Description,
ActivityGroupNames,
IndicatorId,
ThreatType,
ExpirationDateTime,
ConfidenceScore,
UserId,
ClientIp,
InstanceUrl,
CloudAppId,
AccountName,
UPNSuffix,
Url
relevantTechniques:
- T1566
- T1456
- T1474
- T0819
- T0865
- T0862
- T0863
- T1204
- T1574
- T0873
name: Dataverse - TI map URL to DataverseActivity
queryPeriod: 14d
triggerThreshold: 0
alertDetailsOverride:
alertDescriptionFormat: Malicous IP {{Url}} was found in {{InstanceUrl}}. Associated user is {{UserId}}
alertDisplayNameFormat: Dataverse - TI match on URL in {{InstanceUrl}}
id: d88a0e22-3b6a-40c2-af28-c064b44d03b7
eventGroupingSettings:
aggregationKind: AlertPerResult
severity: Medium
requiredDataConnectors:
- dataTypes:
- DataverseActivity
connectorId: Dataverse
- dataTypes:
- ThreatIntelligenceIndicator
connectorId: ThreatIntelligence
- dataTypes:
- ThreatIntelligenceIndicator
connectorId: ThreatIntelligenceTaxii
- dataTypes:
- ThreatIntelligenceIndicator
connectorId: MicrosoftDefenderThreatIntelligence
- dataTypes:
- ThreatIntelligenceIndicator
connectorId: ThreatIntelligence
- dataTypes:
- ThreatIntelligenceIndicator
connectorId: ThreatIntelligenceTaxii
- dataTypes:
- ThreatIntelligenceIndicator
connectorId: MicrosoftDefenderThreatIntelligence
description: Identifies a match in DataverseActivity from any URL IOC from Microsoft Sentinel Threat Intelligence.
version: 3.2.0
status: Available
entityMappings:
- entityType: Account
fieldMappings:
- columnName: AccountName
identifier: Name
- columnName: UPNSuffix
identifier: UPNSuffix
- entityType: IP
fieldMappings:
- columnName: ClientIp
identifier: Address
- entityType: URL
fieldMappings:
- columnName: Url
identifier: Url
- entityType: CloudApplication
fieldMappings:
- columnName: CloudAppId
identifier: AppId
- columnName: InstanceUrl
identifier: InstanceName
tactics:
- InitialAccess
- Execution
- Persistence
query: |
let dt_lookBack = 1h;
let ioc_lookBack = 14d;
ThreatIntelligenceIndicator
| where TimeGenerated >= ago(ioc_lookBack) and ExpirationDateTime > now()
| summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by IndicatorId
| where Active == true
| where isnotempty(Url)
| join kind=innerunique (
DataverseActivity
| where TimeGenerated >= ago(dt_lookBack)
| where Message in ("Create", "Update")
| where isnotempty(Fields) and Fields has "http"
| extend
ExtractedUrls = extract_all("(http[s]?://(?:[a-zA-Z\\.-]|[0-9])+)", tostring(Fields)),
DataverseActivity_TimeGenerated = TimeGenerated
| mv-expand Url = ExtractedUrls
| project
DataverseActivity_TimeGenerated,
tostring(Url),
UserId,
ClientIp,
InstanceUrl,
EntityName
)
on Url
| where DataverseActivity_TimeGenerated < ExpirationDateTime
| summarize DataverseActivity_TimeGenerated = arg_max(DataverseActivity_TimeGenerated, *) by IndicatorId, Url
| extend
CloudAppId = int(32780),
AccountName = tostring(split(UserId, '@')[0]),
UPNSuffix = tostring(split(UserId, '@')[1])
| project
DataverseActivity_TimeGenerated,
Description,
ActivityGroupNames,
IndicatorId,
ThreatType,
ExpirationDateTime,
ConfidenceScore,
UserId,
ClientIp,
InstanceUrl,
CloudAppId,
AccountName,
UPNSuffix,
Url
kind: Scheduled
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Business Applications/Analytic Rules/Dataverse - TI map URL to DataverseActivity.yaml
queryFrequency: 1h
{
"$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/d88a0e22-3b6a-40c2-af28-c064b44d03b7')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/d88a0e22-3b6a-40c2-af28-c064b44d03b7')]",
"properties": {
"alertDetailsOverride": {
"alertDescriptionFormat": "Malicous IP {{Url}} was found in {{InstanceUrl}}. Associated user is {{UserId}}",
"alertDisplayNameFormat": "Dataverse - TI match on URL in {{InstanceUrl}}"
},
"alertRuleTemplateName": "d88a0e22-3b6a-40c2-af28-c064b44d03b7",
"customDetails": null,
"description": "Identifies a match in DataverseActivity from any URL IOC from Microsoft Sentinel Threat Intelligence.",
"displayName": "Dataverse - TI map URL to DataverseActivity",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountName",
"identifier": "Name"
},
{
"columnName": "UPNSuffix",
"identifier": "UPNSuffix"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "ClientIp",
"identifier": "Address"
}
]
},
{
"entityType": "URL",
"fieldMappings": [
{
"columnName": "Url",
"identifier": "Url"
}
]
},
{
"entityType": "CloudApplication",
"fieldMappings": [
{
"columnName": "CloudAppId",
"identifier": "AppId"
},
{
"columnName": "InstanceUrl",
"identifier": "InstanceName"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "AlertPerResult"
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Business Applications/Analytic Rules/Dataverse - TI map URL to DataverseActivity.yaml",
"query": "let dt_lookBack = 1h;\nlet ioc_lookBack = 14d;\nThreatIntelligenceIndicator\n| where TimeGenerated >= ago(ioc_lookBack) and ExpirationDateTime > now()\n| summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by IndicatorId\n| where Active == true\n| where isnotempty(Url)\n| join kind=innerunique (\n DataverseActivity\n | where TimeGenerated >= ago(dt_lookBack)\n | where Message in (\"Create\", \"Update\")\n | where isnotempty(Fields) and Fields has \"http\"\n | extend\n ExtractedUrls = extract_all(\"(http[s]?://(?:[a-zA-Z\\\\.-]|[0-9])+)\", tostring(Fields)),\n DataverseActivity_TimeGenerated = TimeGenerated\n | mv-expand Url = ExtractedUrls\n | project\n DataverseActivity_TimeGenerated,\n tostring(Url),\n UserId,\n ClientIp,\n InstanceUrl,\n EntityName\n )\n on Url\n| where DataverseActivity_TimeGenerated < ExpirationDateTime\n| summarize DataverseActivity_TimeGenerated = arg_max(DataverseActivity_TimeGenerated, *) by IndicatorId, Url\n| extend\n CloudAppId = int(32780),\n AccountName = tostring(split(UserId, '@')[0]),\n UPNSuffix = tostring(split(UserId, '@')[1])\n| project\n DataverseActivity_TimeGenerated,\n Description,\n ActivityGroupNames,\n IndicatorId,\n ThreatType,\n ExpirationDateTime,\n ConfidenceScore,\n UserId,\n ClientIp,\n InstanceUrl,\n CloudAppId,\n AccountName,\n UPNSuffix,\n Url\n",
"queryFrequency": "PT1H",
"queryPeriod": "P14D",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Execution",
"InitialAccess",
"Persistence"
],
"techniques": [
"T1204",
"T1566",
"T1574"
],
"templateVersion": "3.2.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}