Palo Alto Prevention alert
Id | 5180e347-32fb-4a0a-9cfa-d6e0e10fc4eb |
Rulename | Palo Alto Prevention alert |
Description | The query checks for all malicious events prevented events across all devices having LogSeverity of ‘6’ and summarize the result. |
Severity | Medium |
Tactics | DefenseEvasion |
Techniques | T1562 |
Required data connectors | PaloAltoNetworksCortex |
Kind | Scheduled |
Query frequency | 1d |
Query period | 1d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Palo Alto - XDR (Cortex)/Detection Queries/Preventive Alerts.yaml |
Version | 1.0.0 |
Arm template | 5180e347-32fb-4a0a-9cfa-d6e0e10fc4eb.json |
CommonSecurityLog
| where DeviceVendor == "Palo Alto Networks"
| where DeviceProduct == "Cortex XDR"
| where DeviceAction == "Prevented (Blocked)"
| where LogSeverity =~ "6"
| summarize by TimeGenerated,DeviceProduct, DeviceEventClassID, LogSeverity, Activity, DeviceAction, Computer, DeviceVersion, FileHash, FileName, FilePath, RequestURL, SourceHostName, SourceUserName
| sort by TimeGenerated
name: Palo Alto Prevention alert
severity: Medium
queryFrequency: 1d
triggerOperator: gt
relevantTechniques:
- T1562
version: 1.0.0
description: |
'The query checks for all malicious events prevented events across all devices having LogSeverity of '6' and summarize the result.'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Palo Alto - XDR (Cortex)/Detection Queries/Preventive Alerts.yaml
requiredDataConnectors:
- connectorId: PaloAltoNetworksCortex
dataTypes:
- PaloAltoNetworksCortex
entityMappings:
- fieldMappings:
- identifier: FullName
columnName: SourceUserName
entityType: Account
- fieldMappings:
- identifier: FullName
columnName: SourceHostName
entityType: Host
- fieldMappings:
- identifier: Value
columnName: FileHash
entityType: File hash
- fieldMappings:
- identifier: Name
columnName: FileName
entityType: File
- fieldMappings:
- identifier: Name
columnName: FilePath
entityType: File
- fieldMappings:
- identifier: Url
columnName: RequestURL
entityType: URL
tactics:
- DefenseEvasion
queryPeriod: 1d
query: |
CommonSecurityLog
| where DeviceVendor == "Palo Alto Networks"
| where DeviceProduct == "Cortex XDR"
| where DeviceAction == "Prevented (Blocked)"
| where LogSeverity =~ "6"
| summarize by TimeGenerated,DeviceProduct, DeviceEventClassID, LogSeverity, Activity, DeviceAction, Computer, DeviceVersion, FileHash, FileName, FilePath, RequestURL, SourceHostName, SourceUserName
| sort by TimeGenerated
kind: Scheduled
triggerThreshold: 0
id: 5180e347-32fb-4a0a-9cfa-d6e0e10fc4eb
{
"$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/5180e347-32fb-4a0a-9cfa-d6e0e10fc4eb')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/5180e347-32fb-4a0a-9cfa-d6e0e10fc4eb')]",
"properties": {
"alertRuleTemplateName": "5180e347-32fb-4a0a-9cfa-d6e0e10fc4eb",
"customDetails": null,
"description": "'The query checks for all malicious events prevented events across all devices having LogSeverity of '6' and summarize the result.'\n",
"displayName": "Palo Alto Prevention alert",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "SourceUserName",
"identifier": "FullName"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "SourceHostName",
"identifier": "FullName"
}
]
},
{
"entityType": "File hash",
"fieldMappings": [
{
"columnName": "FileHash",
"identifier": "Value"
}
]
},
{
"entityType": "File",
"fieldMappings": [
{
"columnName": "FileName",
"identifier": "Name"
}
]
},
{
"entityType": "File",
"fieldMappings": [
{
"columnName": "FilePath",
"identifier": "Name"
}
]
},
{
"entityType": "URL",
"fieldMappings": [
{
"columnName": "RequestURL",
"identifier": "Url"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Palo Alto - XDR (Cortex)/Detection Queries/Preventive Alerts.yaml",
"query": "CommonSecurityLog\n| where DeviceVendor == \"Palo Alto Networks\"\n| where DeviceProduct == \"Cortex XDR\"\n| where DeviceAction == \"Prevented (Blocked)\"\n| where LogSeverity =~ \"6\"\n| summarize by TimeGenerated,DeviceProduct, DeviceEventClassID, LogSeverity, Activity, DeviceAction, Computer, DeviceVersion, FileHash, FileName, FilePath, RequestURL, SourceHostName, SourceUserName\n| sort by TimeGenerated\n",
"queryFrequency": "P1D",
"queryPeriod": "P1D",
"severity": "Medium",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"DefenseEvasion"
],
"techniques": [
"T1562"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}