Microsoft Sentinel Analytic Rules
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CiscoISE - Log files deleted

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Id21d3be4c-6088-4e76-b6eb-d25479019cb9
RulenameCiscoISE - Log files deleted
DescriptionDetects log file deleting activity.
SeverityMedium
TacticsDefenseEvasion
Required data connectorsCiscoISE
KindScheduled
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco ISE/Analytic Rules/CiscoISELogsDeleted.yaml
Version1.0.0
Arm template21d3be4c-6088-4e76-b6eb-d25479019cb9.json
Deploy To Azure
let lbtime = 5m;
CiscoISEEvent
| where TimeGenerated > ago(lbtime)
| where EventId in ('58015', '59101', '59102')
| project TimeGenerated, DvcHostname, DvcIpAddr, DstUserName
| extend HostCustomEntity = DvcHostname
| extend IPCustomEntity = DvcIpAddr
| extend AccountCustomEntity = DstUserName
severity: Medium
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco ISE/Analytic Rules/CiscoISELogsDeleted.yaml
id: 21d3be4c-6088-4e76-b6eb-d25479019cb9
name: CiscoISE - Log files deleted
query: |
  let lbtime = 5m;
  CiscoISEEvent
  | where TimeGenerated > ago(lbtime)
  | where EventId in ('58015', '59101', '59102')
  | project TimeGenerated, DvcHostname, DvcIpAddr, DstUserName
  | extend HostCustomEntity = DvcHostname
  | extend IPCustomEntity = DvcIpAddr
  | extend AccountCustomEntity = DstUserName  
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: FullName
  entityType: Account
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: HostCustomEntity
    identifier: FullName
  entityType: Host
queryPeriod: 5m
triggerThreshold: 0
tactics:
- DefenseEvasion
version: 1.0.0
kind: Scheduled
queryFrequency: 5m
status: Available
requiredDataConnectors:
- dataTypes:
  - Syslog
  connectorId: CiscoISE
description: |
    'Detects log file deleting activity.'
triggerOperator: gt
{
  "$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/21d3be4c-6088-4e76-b6eb-d25479019cb9')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/21d3be4c-6088-4e76-b6eb-d25479019cb9')]",
      "properties": {
        "alertRuleTemplateName": "21d3be4c-6088-4e76-b6eb-d25479019cb9",
        "customDetails": null,
        "description": "'Detects log file deleting activity.'\n",
        "displayName": "CiscoISE - Log files deleted",
        "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 ISE/Analytic Rules/CiscoISELogsDeleted.yaml",
        "query": "let lbtime = 5m;\nCiscoISEEvent\n| where TimeGenerated > ago(lbtime)\n| where EventId in ('58015', '59101', '59102')\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",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}