Tomcat - Put file and get file from same IP address

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Id	103d5ada-4874-11ec-81d3-0242ac130003
Rulename	Tomcat - Put file and get file from same IP address
Description	Detects put or get files from one source in short timeframe'
Severity	Medium
Tactics	InitialAccess
Techniques	T1190 T1133
Required data connectors	ApacheTomcat
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/Tomcat/Analytic Rules/TomcatPutAndGetFileFromSameIP.yaml
Version	1.0.0
Arm template	103d5ada-4874-11ec-81d3-0242ac130003.json

KQL

let p = TomcatEvent
| where HttpRequestMethod in~ ('POST', 'PUT')
| sort by EventStartTime asc
| summarize post_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal);
TomcatEvent
| where HttpRequestMethod =~ 'GET'
| sort by EventStartTime asc
| summarize get_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal)
| join kind=innerunique (p) on UrlOriginal, SrcIpAddr
| extend second = datetime_diff('second',get_time,post_time)
| where second between (1 .. 300)
| project second, post_time, get_time, SrcIpAddr, UrlOriginal
| extend IPCustomEntity = SrcIpAddr, UrlCustomEntity = tostring(UrlOriginal)

YAML

entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
- entityType: URL
  fieldMappings:
  - columnName: UrlCustomEntity
    identifier: Url
requiredDataConnectors:
- dataTypes:
  - TomcatEvent
  connectorId: ApacheTomcat
queryPeriod: 1h
query: |
  let p = TomcatEvent
  | where HttpRequestMethod in~ ('POST', 'PUT')
  | sort by EventStartTime asc
  | summarize post_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal);
  TomcatEvent
  | where HttpRequestMethod =~ 'GET'
  | sort by EventStartTime asc
  | summarize get_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal)
  | join kind=innerunique (p) on UrlOriginal, SrcIpAddr
  | extend second = datetime_diff('second',get_time,post_time)
  | where second between (1 .. 300)
  | project second, post_time, get_time, SrcIpAddr, UrlOriginal
  | extend IPCustomEntity = SrcIpAddr, UrlCustomEntity = tostring(UrlOriginal)  
description: |
    'Detects put or get files from one source in short timeframe' 
version: 1.0.0
name: Tomcat - Put file and get file from same IP address
relevantTechniques:
- T1190
- T1133
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatPutAndGetFileFromSameIP.yaml
kind: Scheduled
status: Available
queryFrequency: 1h
severity: Medium
tactics:
- InitialAccess
triggerOperator: gt
id: 103d5ada-4874-11ec-81d3-0242ac130003
triggerThreshold: 0

ARM

{
  "$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/103d5ada-4874-11ec-81d3-0242ac130003')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/103d5ada-4874-11ec-81d3-0242ac130003')]",
      "properties": {
        "alertRuleTemplateName": "103d5ada-4874-11ec-81d3-0242ac130003",
        "customDetails": null,
        "description": "'Detects put or get files from one source in short timeframe' \n",
        "displayName": "Tomcat - Put file and get file from same IP address",
        "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/Tomcat/Analytic Rules/TomcatPutAndGetFileFromSameIP.yaml",
        "query": "let p = TomcatEvent\n| where HttpRequestMethod in~ ('POST', 'PUT')\n| sort by EventStartTime asc\n| summarize post_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal);\nTomcatEvent\n| where HttpRequestMethod =~ 'GET'\n| sort by EventStartTime asc\n| summarize get_time=min(EventStartTime) by SrcIpAddr, tostring(UrlOriginal)\n| join kind=innerunique (p) on UrlOriginal, SrcIpAddr\n| extend second = datetime_diff('second',get_time,post_time)\n| where second between (1 .. 300)\n| project second, post_time, get_time, SrcIpAddr, UrlOriginal\n| extend IPCustomEntity = SrcIpAddr, UrlCustomEntity = tostring(UrlOriginal)\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1133",
          "T1190"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}