Microsoft Sentinel Analytic Rules
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CiscoISE - Certificate has expired

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Id6107cba5-2974-4c22-8222-2a6f7bbea664
RulenameCiscoISE - Certificate has expired
DescriptionDetects certificate expiration.
SeverityMedium
TacticsCredentialAccess
TechniquesT1552
Required data connectorsCiscoISE
SyslogAma
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco ISE/Analytic Rules/CiscoISECertExpired.yaml
Version1.0.2
Arm template6107cba5-2974-4c22-8222-2a6f7bbea664.json
Deploy To Azure
let lbtime = 1h;
CiscoISEEvent
| where TimeGenerated > ago(lbtime)
| where EventId == '60167'
| project SrcIpAddr, DvcIpAddr, DvcHostname, DstUserName
| extend HostCustomEntity = DvcHostname
| extend IPCustomEntity = SrcIpAddr
| extend AccountCustomEntity = DstUserName
relevantTechniques:
- T1552
name: CiscoISE - Certificate has expired
requiredDataConnectors:
- dataTypes:
  - Syslog
  connectorId: CiscoISE
- datatypes:
  - Syslog
  connectorId: SyslogAma
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
  entityType: Account
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
- fieldMappings:
  - identifier: FullName
    columnName: HostCustomEntity
  entityType: Host
triggerThreshold: 0
id: 6107cba5-2974-4c22-8222-2a6f7bbea664
tactics:
- CredentialAccess
version: 1.0.2
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco ISE/Analytic Rules/CiscoISECertExpired.yaml
queryPeriod: 1h
kind: Scheduled
queryFrequency: 1h
severity: Medium
status: Available
description: |
    'Detects certificate expiration.'
query: |
  let lbtime = 1h;
  CiscoISEEvent
  | where TimeGenerated > ago(lbtime)
  | where EventId == '60167'
  | project SrcIpAddr, DvcIpAddr, DvcHostname, DstUserName
  | extend HostCustomEntity = DvcHostname
  | extend IPCustomEntity = SrcIpAddr
  | extend AccountCustomEntity = DstUserName  
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": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/6107cba5-2974-4c22-8222-2a6f7bbea664')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6107cba5-2974-4c22-8222-2a6f7bbea664')]",
      "properties": {
        "alertRuleTemplateName": "6107cba5-2974-4c22-8222-2a6f7bbea664",
        "customDetails": null,
        "description": "'Detects certificate expiration.'\n",
        "displayName": "CiscoISE - Certificate has expired",
        "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/CiscoISECertExpired.yaml",
        "query": "let lbtime = 1h;\nCiscoISEEvent\n| where TimeGenerated > ago(lbtime)\n| where EventId == '60167'\n| project SrcIpAddr, DvcIpAddr, DvcHostname, DstUserName\n| extend HostCustomEntity = DvcHostname\n| extend IPCustomEntity = SrcIpAddr\n| extend AccountCustomEntity = DstUserName\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess"
        ],
        "techniques": [
          "T1552"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}