Cloudflare - WAF Allowed threat
Id | f53fe2a9-96b5-454c-827e-cf1764a67fb0 |
Rulename | Cloudflare - WAF Allowed threat |
Description | Detects WAF “Allowed” action on threat events. |
Severity | High |
Tactics | InitialAccess |
Techniques | T1190 T1133 |
Required data connectors | CloudflareDataConnector |
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/Cloudflare/Analytic Rules/CloudflareWafThreatAllowed.yaml |
Version | 1.0.0 |
Arm template | f53fe2a9-96b5-454c-827e-cf1764a67fb0.json |
Cloudflare
| where isnotempty(WAFRuleID) or isnotempty(WAFRuleMessage)
| where WAFAction =~ 'Allow'
| extend IPCustomEntity = SrcIpAddr
| extend UrlCustomEntity = ClientRequestURI
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
- entityType: URL
fieldMappings:
- identifier: Url
columnName: UrlCustomEntity
queryFrequency: 1h
name: Cloudflare - WAF Allowed threat
kind: Scheduled
tactics:
- InitialAccess
triggerThreshold: 0
query: |
Cloudflare
| where isnotempty(WAFRuleID) or isnotempty(WAFRuleMessage)
| where WAFAction =~ 'Allow'
| extend IPCustomEntity = SrcIpAddr
| extend UrlCustomEntity = ClientRequestURI
relevantTechniques:
- T1190
- T1133
triggerOperator: gt
queryPeriod: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cloudflare/Analytic Rules/CloudflareWafThreatAllowed.yaml
severity: High
status: Available
id: f53fe2a9-96b5-454c-827e-cf1764a67fb0
requiredDataConnectors:
- connectorId: CloudflareDataConnector
dataTypes:
- Cloudflare
version: 1.0.0
description: |
'Detects WAF "Allowed" action on threat events.'
{
"$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/f53fe2a9-96b5-454c-827e-cf1764a67fb0')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/f53fe2a9-96b5-454c-827e-cf1764a67fb0')]",
"properties": {
"alertRuleTemplateName": "f53fe2a9-96b5-454c-827e-cf1764a67fb0",
"customDetails": null,
"description": "'Detects WAF \"Allowed\" action on threat events.'\n",
"displayName": "Cloudflare - WAF Allowed threat",
"enabled": true,
"entityMappings": [
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
]
},
{
"entityType": "URL",
"fieldMappings": [
{
"columnName": "UrlCustomEntity",
"identifier": "Url"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cloudflare/Analytic Rules/CloudflareWafThreatAllowed.yaml",
"query": "Cloudflare\n| where isnotempty(WAFRuleID) or isnotempty(WAFRuleMessage)\n| where WAFAction =~ 'Allow'\n| extend IPCustomEntity = SrcIpAddr\n| extend UrlCustomEntity = ClientRequestURI\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "High",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1133",
"T1190"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}