Microsoft Sentinel Analytic Rules
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Tomcat - Put file and get file from same IP address

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Id103d5ada-4874-11ec-81d3-0242ac130003
RulenameTomcat - Put file and get file from same IP address
DescriptionDetects put or get files from one source in short timeframe'
SeverityMedium
TacticsInitialAccess
TechniquesT1190
T1133
Required data connectorsApacheTomcat
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatPutAndGetFileFromSameIP.yaml
Version1.0.0
Arm template103d5ada-4874-11ec-81d3-0242ac130003.json
Deploy To Azure
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)
version: 1.0.0
name: Tomcat - Put file and get file from same IP address
severity: Medium
queryFrequency: 1h
kind: Scheduled
queryPeriod: 1h
description: |
    'Detects put or get files from one source in short timeframe' 
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)  
tactics:
- InitialAccess
triggerOperator: gt
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
- entityType: URL
  fieldMappings:
  - columnName: UrlCustomEntity
    identifier: Url
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatPutAndGetFileFromSameIP.yaml
requiredDataConnectors:
- connectorId: ApacheTomcat
  dataTypes:
  - TomcatEvent
status: Available
relevantTechniques:
- T1190
- T1133
id: 103d5ada-4874-11ec-81d3-0242ac130003
{
  "$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/103d5ada-4874-11ec-81d3-0242ac130003')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/103d5ada-4874-11ec-81d3-0242ac130003')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01-preview",
      "properties": {
        "displayName": "Tomcat - Put file and get file from same IP address",
        "description": "'Detects put or get files from one source in short timeframe' \n",
        "severity": "Medium",
        "enabled": true,
        "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",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1190",
          "T1133"
        ],
        "alertRuleTemplateName": "103d5ada-4874-11ec-81d3-0242ac130003",
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ],
            "entityType": "IP"
          },
          {
            "fieldMappings": [
              {
                "columnName": "UrlCustomEntity",
                "identifier": "Url"
              }
            ],
            "entityType": "URL"
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatPutAndGetFileFromSameIP.yaml",
        "templateVersion": "1.0.0",
        "status": "Available"
      }
    }
  ]
}