CiscoISE - Attempt to delete local store logs

let lbtime = 5m;
CiscoISEEvent
| where TimeGenerated > ago(lbtime)
| where EventId == '59103'
| project TimeGenerated, DvcHostname, DvcIpAddr, DstUserName
| extend HostCustomEntity = DvcHostname
| extend IPCustomEntity = DvcIpAddr
| extend AccountCustomEntity = DstUserName

name: CiscoISE - Attempt to delete local store logs
triggerOperator: gt
query: |
  let lbtime = 5m;
  CiscoISEEvent
  | where TimeGenerated > ago(lbtime)
  | where EventId == '59103'
  | project TimeGenerated, DvcHostname, DvcIpAddr, DstUserName
  | extend HostCustomEntity = DvcHostname
  | extend IPCustomEntity = DvcIpAddr
  | extend AccountCustomEntity = DstUserName
queryFrequency: 5m
description: |
  'Detects when attempt to delete local store logs failed.'
id: b6549a28-d61c-476e-b350-4404352ee427
triggerThreshold: 0
queryPeriod: 5m
version: 1.0.3
kind: Scheduled
status: Available
severity: Medium
requiredDataConnectors:
- connectorId: SyslogAma
  datatypes:
  - Syslog
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco%20ISE/Analytic%20Rules/CiscoISEAttempDeleteLocalStoreLogs.yaml
relevantTechniques:
- T1070
tactics:
- DefenseEvasion
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
  entityType: Account
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
- fieldMappings:
  - identifier: FullName
    columnName: HostCustomEntity
  entityType: Host

{
  "$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/b6549a28-d61c-476e-b350-4404352ee427')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b6549a28-d61c-476e-b350-4404352ee427')]",
      "properties": {
        "alertRuleTemplateName": "b6549a28-d61c-476e-b350-4404352ee427",
        "customDetails": null,
        "description": "'Detects when attempt to delete local store logs failed.'\n",
        "displayName": "CiscoISE - Attempt to delete local store logs",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "HostCustomEntity",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco%20ISE/Analytic%20Rules/CiscoISEAttempDeleteLocalStoreLogs.yaml",
        "query": "let lbtime = 5m;\nCiscoISEEvent\n| where TimeGenerated > ago(lbtime)\n| where EventId == '59103'\n| project TimeGenerated, DvcHostname, DvcIpAddr, DstUserName\n| extend HostCustomEntity = DvcHostname\n| extend IPCustomEntity = DvcIpAddr\n| extend AccountCustomEntity = DstUserName\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1070"
        ],
        "templateVersion": "1.0.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}