PaloAlto - Possible attack without response
Id | b6d54840-51d3-11ec-bf63-0242ac130002 |
Rulename | PaloAlto - Possible attack without response |
Description | Detects possible attack without response. |
Severity | High |
Tactics | InitialAccess |
Techniques | T1190 T1133 |
Required data connectors | CefAma PaloAltoCDL PaloAltoCDLAma |
Kind | Scheduled |
Query frequency | 1h |
Query period | 1h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoCDL/Analytic Rules/PaloAltoCDLPossibleAttackWithoutResponse.yaml |
Version | 1.0.3 |
Arm template | b6d54840-51d3-11ec-bf63-0242ac130002.json |
PaloAltoCDLEvent
| where EventResourceId =~ 'THREAT'
| where DvcAction !has "block" or DvcAction !has "override" or DvcAction !has "deny"
| extend AccountCustomEntity = DstUsername, IPCustomEntity = SrcIpAddr, UrlCustomEntity = Url
status: Available
queryFrequency: 1h
description: |
'Detects possible attack without response.'
severity: High
version: 1.0.3
relevantTechniques:
- T1190
- T1133
name: PaloAlto - Possible attack without response
triggerThreshold: 0
kind: Scheduled
query: |
PaloAltoCDLEvent
| where EventResourceId =~ 'THREAT'
| where DvcAction !has "block" or DvcAction !has "override" or DvcAction !has "deny"
| extend AccountCustomEntity = DstUsername, IPCustomEntity = SrcIpAddr, UrlCustomEntity = Url
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoCDL/Analytic Rules/PaloAltoCDLPossibleAttackWithoutResponse.yaml
requiredDataConnectors:
- connectorId: PaloAltoCDL
dataTypes:
- PaloAltoCDLEvent
- connectorId: PaloAltoCDLAma
dataTypes:
- PaloAltoCDLEvent
- connectorId: CefAma
dataTypes:
- CommonSecurityLog
tactics:
- InitialAccess
id: b6d54840-51d3-11ec-bf63-0242ac130002
queryPeriod: 1h
entityMappings:
- fieldMappings:
- columnName: AccountCustomEntity
identifier: Name
entityType: Account
- fieldMappings:
- columnName: IPCustomEntity
identifier: Address
entityType: IP
- fieldMappings:
- columnName: UrlCustomEntity
identifier: Url
entityType: URL
{
"$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/b6d54840-51d3-11ec-bf63-0242ac130002')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b6d54840-51d3-11ec-bf63-0242ac130002')]",
"properties": {
"alertRuleTemplateName": "b6d54840-51d3-11ec-bf63-0242ac130002",
"customDetails": null,
"description": "'Detects possible attack without response.'\n",
"displayName": "PaloAlto - Possible attack without response",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountCustomEntity",
"identifier": "Name"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
]
},
{
"entityType": "URL",
"fieldMappings": [
{
"columnName": "UrlCustomEntity",
"identifier": "Url"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoCDL/Analytic Rules/PaloAltoCDLPossibleAttackWithoutResponse.yaml",
"query": "PaloAltoCDLEvent\n| where EventResourceId =~ 'THREAT'\n| where DvcAction !has \"block\" or DvcAction !has \"override\" or DvcAction !has \"deny\"\n| extend AccountCustomEntity = DstUsername, IPCustomEntity = SrcIpAddr, UrlCustomEntity = Url\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "High",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1133",
"T1190"
],
"templateVersion": "1.0.3",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}