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overwatch_workflow.json
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{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"metadata": {
"title": "WA SOC Overwatch Alerts to Microsoft Sentinel",
"description": "This playbook listens for HTTP requests from WA SOC Overwatch alerts and ingests them to Log Analytics (MS Sentinel) .",
"lastUpdateTime": "2022-04-22T00:00:00.000Z",
"support": {
"tier": "WA SOC Customers - SLA 1+"
},
"author": {
"name": "Joshua Hitchen"
}
},
"parameters": {
"location":{
"type": "string",
"defaultValue": "[resourceGroup().location]"
},
"Playbook_Name": {
"defaultValue": "WASOCOverwatchWorkflow",
"type": "string"
},
"Log_Analytics_Connection_Name": {
"type": "string",
"defaultValue": "WASOCOverwatchConnection"
},
"Log_Analytics_Workspace_ID": {
"type": "string",
"defaultValue":"ID",
"metadata": {
"description": "The unique identifier of the Azure Log Analytics workspace."
}
},
"Log_Analytics_Workspace_Key": {
"type": "securestring",
"defaultValue":"key",
"metadata": {
"description": "The primary or secondary key of the Azure Log Analytics workspace."
}
},
"Authentication_Key": {
"type": "securestring",
"defaultValue":"key",
"metadata": {
"description": "The WA SOC Event Grid Key - Prevent Unauthorised data being ingested"
}
}
},
"variables": {},
"resources": [
{
"type": "MICROSOFT.WEB/CONNECTIONS",
"apiVersion": "2018-07-01-preview",
"name": "[parameters('Log_Analytics_Connection_Name')]",
"location": "[parameters('location')]",
"properties": {
"api": {
"id": "[concat(subscription().id, '/providers/Microsoft.Web/locations/', parameters('location'), '/managedApis/', 'azureloganalyticsdatacollector')]"
},
"displayName": "[parameters('Log_Analytics_Connection_Name')]",
"parameterValues": {
"username": "[parameters('Log_Analytics_Workspace_ID')]",
"password": "[parameters('Log_Analytics_Workspace_Key')]"
}
}
},
{
"type": "Microsoft.Logic/workflows",
"apiVersion": "2017-07-01",
"name": "[parameters('Playbook_Name')]",
"location": "[resourceGroup().location]",
"tags": {
"LogicAppsCategory": "security"
},
"dependsOn": [
"[resourceId('Microsoft.Web/connections', parameters('Log_Analytics_Connection_Name'))]"
],
"properties": {
"state": "Enabled",
"definition": {
"$schema": "https://schema.management.azure.com/providers/Microsoft.Logic/schemas/2016-06-01/workflowdefinition.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"$connections": {
"defaultValue": {},
"type": "Object"
},
"Secret Key": {
"defaultValue": "[parameters('Authentication_Key')]",
"type": "String"
}
},
"triggers": {
"manual": {
"type": "Request",
"kind": "Http",
"inputs": {
"schema": {
"properties": {
"AlertID": {
"type": [
"string",
"null"
]
},
"AlertTrigger": {
"type": [
"string",
"null"
]
},
"Country": {
"type": [
"string",
"null"
]
},
"Data": {
"type": [
"string",
"null"
]
},
"HostNames": {
"type": [
"string",
"null"
]
},
"IPAddress": {
"type": [
"string",
"null"
]
},
"Module": {
"type": [
"string",
"null"
]
},
"OverwatchID": {
"type": [
"string",
"null"
]
},
"Org": {
"type": [
"string",
"null"
]
},
"Port": {
"type": [
"string",
"null"
]
},
"Timestamp": {
"type": [
"string",
"null"
]
},
"Transport": {
"type": [
"string",
"null"
]
}
},
"type": "object"
}
},
"description": "The webhook address that the WA SOC utilises to send WASOCMontior Alerts to your tenant."
}
},
"actions": {
"Authenticating_Dataflow": {
"actions": {
"Ingest_to_WA_SOC_Customers_Sentinel": {
"runAfter": {
"Parse_WASOC_Overwatch_Information": [
"Succeeded"
]
},
"type": "ApiConnection",
"inputs": {
"body": "@{body('Parse_WASOC_Overwatch_Information')[0]['data']}",
"headers": {
"Log-Type": "WASOCOverwatchv1"
},
"host": {
"connection": {
"name": "@parameters('$connections')['azureloganalyticsdatacollector']['connectionId']"
}
},
"method": "post",
"path": "/api/logs"
}
},
"Parse_WASOC_Overwatch_Information": {
"runAfter": {},
"type": "ParseJson",
"inputs": {
"content": "@triggerBody()",
"schema": {
"items": {
"properties": {
"data": {
"properties": {
"AlertID": {
"type": [
"string",
"null"
]
},
"AlertTrigger": {
"type": [
"string",
"null"
]
},
"Country": {
"type": [
"string",
"null"
]
},
"Data": {
"type": [
"string",
"null"
]
},
"HostNames": {
"type": [
"string",
"null"
]
},
"IPAddress": {
"type": [
"string",
"null"
]
},
"Module": {
"type": [
"string",
"null"
]
},
"OverwatchID": {
"type": [
"string",
"null"
]
},
"Org": {
"type": [
"string",
"null"
]
},
"Port": {
"type": [
"string",
"null"
]
},
"Timestamp": {
"type": [
"string",
"null"
]
},
"Transport": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"dataVersion": {
"type": [
"string",
"null"
]
},
"eventTime": {
"type": [
"string",
"null"
]
},
"eventType": {
"type": [
"string",
"null"
]
},
"id": {
"type": [
"string",
"null"
]
},
"metadataVersion": {
"type": [
"string",
"null"
]
},
"subject": {
"type": [
"string",
"null"
]
},
"topic": {
"type": [
"string",
"null"
]
}
},
"required": [
"data",
"eventType",
"id",
"subject",
"dataVersion",
"metadataVersion",
"eventTime",
"topic"
],
"type": "object"
},
"type": "array"
}
}
},
"Response_200_(OK)": {
"runAfter": {
"Ingest_to_WA_SOC_Customers_Sentinel": [
"Succeeded"
]
},
"type": "Response",
"kind": "Http",
"inputs": {
"statusCode": 200
}
}
},
"runAfter": {},
"else": {
"actions": {
"Response_403_(Forbidden)": {
"runAfter": {},
"type": "Response",
"kind": "Http",
"inputs": {
"statusCode": 403
}
}
}
},
"expression": {
"and": [
{
"equals": [
"@triggerOutputs()['headers']['key']",
"@parameters('Secret Key')"
]
}
]
},
"type": "If"
}
},
"outputs": {}
},
"parameters": {
"$connections": {
"value": {
"azureloganalyticsdatacollector": {
"connectionId": "[resourceId('Microsoft.Web/connections', parameters('Log_Analytics_Connection_Name'))]",
"id": "[concat(subscription().id, '/providers/Microsoft.Web/locations/', parameters('location'), '/managedApis/', 'azureloganalyticsdatacollector')]"
}
}
}
}
}
}
]
}