let forbidden_files = dynamic(['shadow', 'passwd', 'id_rsa']);
TomcatEvent
| extend File = extract(@'(.*\/)?(.*)', 2, tostring(UrlOriginal))
| where File in (forbidden_files)
| extend FileCustomEntity = File, UrlCustomEntity = UrlOriginal
name: Tomcat - Request to sensitive files
query: |
let forbidden_files = dynamic(['shadow', 'passwd', 'id_rsa']);
TomcatEvent
| extend File = extract(@'(.*\/)?(.*)', 2, tostring(UrlOriginal))
| where File in (forbidden_files)
| extend FileCustomEntity = File, UrlCustomEntity = UrlOriginal
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatRequestSensitiveFiles.yaml
queryFrequency: 1h
triggerThreshold: 0
requiredDataConnectors:
- dataTypes:
- TomcatEvent
connectorId: ApacheTomcat
version: 1.0.0
status: Available
queryPeriod: 1h
id: 0c851bd4-4875-11ec-81d3-0242ac130003
triggerOperator: gt
entityMappings:
- fieldMappings:
- identifier: Name
columnName: FileCustomEntity
entityType: File
- fieldMappings:
- identifier: Url
columnName: UrlCustomEntity
entityType: URL
relevantTechniques:
- T1189
severity: High
description: |
'Detects request to sensitive files.'
kind: Scheduled
tactics:
- InitialAccess
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/0c851bd4-4875-11ec-81d3-0242ac130003')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/0c851bd4-4875-11ec-81d3-0242ac130003')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "Tomcat - Request to sensitive files",
"description": "'Detects request to sensitive files.'\n",
"severity": "High",
"enabled": true,
"query": "let forbidden_files = dynamic(['shadow', 'passwd', 'id_rsa']);\nTomcatEvent\n| extend File = extract(@'(.*\\/)?(.*)', 2, tostring(UrlOriginal))\n| where File in (forbidden_files)\n| extend FileCustomEntity = File, UrlCustomEntity = UrlOriginal\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1189"
],
"alertRuleTemplateName": "0c851bd4-4875-11ec-81d3-0242ac130003",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"identifier": "Name",
"columnName": "FileCustomEntity"
}
],
"entityType": "File"
},
{
"fieldMappings": [
{
"identifier": "Url",
"columnName": "UrlCustomEntity"
}
],
"entityType": "URL"
}
],
"status": "Available",
"templateVersion": "1.0.0",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatRequestSensitiveFiles.yaml"
}
}
]
}