Imperva - Abnormal protocol usage
Id | 363307f6-09ba-4926-ad52-03aadfd24b5e |
Rulename | Imperva - Abnormal protocol usage |
Description | Detects abnormal protocol usage. |
Severity | Medium |
Tactics | InitialAccess |
Techniques | T1190 T1133 |
Required data connectors | ImpervaWAFCloudAPI |
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/ImpervaCloudWAF/Analytic Rules/ImpervaAbnormalProtocolUsage.yaml |
Version | 1.0.0 |
Arm template | 363307f6-09ba-4926-ad52-03aadfd24b5e.json |
ImpervaWAFCloud
| where NetworkApplicationProtocol in~ ('HTTP', 'HTTPs')
| where DstPortNumber !in ('80', '443')
| extend IPCustomEntity = SrcIpAddr
status: Available
queryFrequency: 1h
description: |
'Detects abnormal protocol usage.'
severity: Medium
version: 1.0.0
relevantTechniques:
- T1190
- T1133
name: Imperva - Abnormal protocol usage
triggerThreshold: 0
kind: Scheduled
query: |
ImpervaWAFCloud
| where NetworkApplicationProtocol in~ ('HTTP', 'HTTPs')
| where DstPortNumber !in ('80', '443')
| extend IPCustomEntity = SrcIpAddr
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ImpervaCloudWAF/Analytic Rules/ImpervaAbnormalProtocolUsage.yaml
requiredDataConnectors:
- connectorId: ImpervaWAFCloudAPI
dataTypes:
- ImpervaWAFCloud
tactics:
- InitialAccess
id: 363307f6-09ba-4926-ad52-03aadfd24b5e
queryPeriod: 1h
entityMappings:
- fieldMappings:
- columnName: IPCustomEntity
identifier: Address
entityType: IP
{
"$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/363307f6-09ba-4926-ad52-03aadfd24b5e')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/363307f6-09ba-4926-ad52-03aadfd24b5e')]",
"properties": {
"alertRuleTemplateName": "363307f6-09ba-4926-ad52-03aadfd24b5e",
"customDetails": null,
"description": "'Detects abnormal protocol usage.'\n",
"displayName": "Imperva - Abnormal protocol usage",
"enabled": true,
"entityMappings": [
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ImpervaCloudWAF/Analytic Rules/ImpervaAbnormalProtocolUsage.yaml",
"query": "ImpervaWAFCloud\n| where NetworkApplicationProtocol in~ ('HTTP', 'HTTPs')\n| where DstPortNumber !in ('80', '443')\n| extend IPCustomEntity = SrcIpAddr\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "Medium",
"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"
}
]
}