Microsoft Sentinel Analytic Rules
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PaloAlto - Put and post method request in high risk file type

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Idf12e9d10-51ca-11ec-bf63-0242ac130002
RulenamePaloAlto - Put and post method request in high risk file type
DescriptionDetects put and post method request in high risk file type.
SeverityHigh
TacticsInitialAccess
TechniquesT1190
T1133
Required data connectorsPaloAltoCDL
PaloAltoCDLAma
KindScheduled
Query frequency10m
Query period10m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoCDL/Analytic Rules/PaloAltoCDLPutMethodInHighRiskFileType.yaml
Version1.0.2
Arm templatef12e9d10-51ca-11ec-bf63-0242ac130002.json
Deploy To Azure
let HighRiskFileType = dynamic(['.exe', '.msi', '.msp', '.jar', '.bat', '.cmd', '.js', '.jse', 'ws', '.ps1', '.ps2', '.msh']);
PaloAltoCDLEvent
| where EventResourceId =~ 'THREAT'
| where EventResult =~ 'file'
| where HttpRequestMethod has_any ("POST", "PUT")
| where FileType in (HighRiskFileType)
| extend FileCustomEntity = SrcFileName
triggerOperator: gt
queryFrequency: 10m
description: |
    'Detects put and post method request in high risk file type.'
status: Available
kind: Scheduled
triggerThreshold: 0
requiredDataConnectors:
- connectorId: PaloAltoCDL
  dataTypes:
  - PaloAltoCDLEvent
- connectorId: PaloAltoCDLAma
  dataTypes:
  - PaloAltoCDLEvent
version: 1.0.2
queryPeriod: 10m
name: PaloAlto - Put and post method request in high risk file type
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoCDL/Analytic Rules/PaloAltoCDLPutMethodInHighRiskFileType.yaml
id: f12e9d10-51ca-11ec-bf63-0242ac130002
tactics:
- InitialAccess
relevantTechniques:
- T1190
- T1133
severity: High
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: FileCustomEntity
  entityType: File
query: |
  let HighRiskFileType = dynamic(['.exe', '.msi', '.msp', '.jar', '.bat', '.cmd', '.js', '.jse', 'ws', '.ps1', '.ps2', '.msh']);
  PaloAltoCDLEvent
  | where EventResourceId =~ 'THREAT'
  | where EventResult =~ 'file'
  | where HttpRequestMethod has_any ("POST", "PUT")
  | where FileType in (HighRiskFileType)
  | extend FileCustomEntity = SrcFileName  
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/f12e9d10-51ca-11ec-bf63-0242ac130002')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/f12e9d10-51ca-11ec-bf63-0242ac130002')]",
      "properties": {
        "alertRuleTemplateName": "f12e9d10-51ca-11ec-bf63-0242ac130002",
        "customDetails": null,
        "description": "'Detects put and post method request in high risk file type.'\n",
        "displayName": "PaloAlto - Put and post method request in high risk file type",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "File",
            "fieldMappings": [
              {
                "columnName": "FileCustomEntity",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoCDL/Analytic Rules/PaloAltoCDLPutMethodInHighRiskFileType.yaml",
        "query": "let HighRiskFileType = dynamic(['.exe', '.msi', '.msp', '.jar', '.bat', '.cmd', '.js', '.jse', 'ws', '.ps1', '.ps2', '.msh']);\nPaloAltoCDLEvent\n| where EventResourceId =~ 'THREAT'\n| where EventResult =~ 'file'\n| where HttpRequestMethod has_any (\"POST\", \"PUT\")\n| where FileType in (HighRiskFileType)\n| extend FileCustomEntity = SrcFileName\n",
        "queryFrequency": "PT10M",
        "queryPeriod": "PT10M",
        "severity": "High",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1133",
          "T1190"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}