Microsoft Sentinel Analytic Rules
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TIE privileged accounts issues

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Id5c170c73-75ba-48ea-8dfc-e4e2d4f23979
RulenameTIE privileged accounts issues
DescriptionSearches for triggered Indicators of Exposures related to privileged accounts issues.
SeverityLow
TacticsCredentialAccess
TechniquesT1110
Required data connectorsTenableIE
KindScheduled
Query frequency2h
Query period2h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tenable App/Analytic Rules/TIEPrivilegedAccountIssues.yaml
Version1.0.1
Arm template5c170c73-75ba-48ea-8dfc-e4e2d4f23979.json
Deploy To Azure
// For the query to work properly, make sure you have imported the afad_parser.yaml parser into the workspace
// Retrieve the parser here: https://aka.ms/sentinel-TenableApp-afad-parser
// Then, create the Kusto Function with alias afad_parser
let SeverityTable=datatable(Severity:string,Level:int) [
"low", 1,
"medium", 2,
"high", 3,
"critical", 4
];
let codeNameList = datatable(Codename:string)["C-PRIV-ACCOUNTS-SPN", "C-NATIVE-ADM-GROUP-MEMBERS", "C-KRBTGT-PASSWORD", "C-PROTECTED-USERS-GROUP-UNUSED", "C-ADMINCOUNT-ACCOUNT-PROPS", "C-ADM-ACC-USAGE", "C-LAPS-UNSECURE-CONFIG", "C-DISABLED-ACCOUNTS-PRIV-GROUPS"];
afad_parser
| where MessageType == 0 and Codename in~ (codeNameList)
| lookup kind=leftouter SeverityTable on Severity
| order by Level
| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))
id: 5c170c73-75ba-48ea-8dfc-e4e2d4f23979
triggerThreshold: 0
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: HostName
    identifier: HostName
  - columnName: DnsDomain
    identifier: DnsDomain
version: 1.0.1
queryPeriod: 2h
name: TIE privileged accounts issues
requiredDataConnectors:
- connectorId: TenableIE
  dataTypes:
  - Tenable_IE_CL
triggerOperator: gt
relevantTechniques:
- T1110
query: |
  // For the query to work properly, make sure you have imported the afad_parser.yaml parser into the workspace
  // Retrieve the parser here: https://aka.ms/sentinel-TenableApp-afad-parser
  // Then, create the Kusto Function with alias afad_parser
  let SeverityTable=datatable(Severity:string,Level:int) [
  "low", 1,
  "medium", 2,
  "high", 3,
  "critical", 4
  ];
  let codeNameList = datatable(Codename:string)["C-PRIV-ACCOUNTS-SPN", "C-NATIVE-ADM-GROUP-MEMBERS", "C-KRBTGT-PASSWORD", "C-PROTECTED-USERS-GROUP-UNUSED", "C-ADMINCOUNT-ACCOUNT-PROPS", "C-ADM-ACC-USAGE", "C-LAPS-UNSECURE-CONFIG", "C-DISABLED-ACCOUNTS-PRIV-GROUPS"];
  afad_parser
  | where MessageType == 0 and Codename in~ (codeNameList)
  | lookup kind=leftouter SeverityTable on Severity
  | order by Level
  | extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))  
queryFrequency: 2h
description: |
    'Searches for triggered Indicators of Exposures related to privileged accounts issues.'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tenable App/Analytic Rules/TIEPrivilegedAccountIssues.yaml
kind: Scheduled
severity: Low
tactics:
- CredentialAccess
{
  "$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/5c170c73-75ba-48ea-8dfc-e4e2d4f23979')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/5c170c73-75ba-48ea-8dfc-e4e2d4f23979')]",
      "properties": {
        "alertRuleTemplateName": "5c170c73-75ba-48ea-8dfc-e4e2d4f23979",
        "customDetails": null,
        "description": "'Searches for triggered Indicators of Exposures related to privileged accounts issues.'\n",
        "displayName": "TIE privileged accounts issues",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "HostName",
                "identifier": "HostName"
              },
              {
                "columnName": "DnsDomain",
                "identifier": "DnsDomain"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tenable App/Analytic Rules/TIEPrivilegedAccountIssues.yaml",
        "query": "// For the query to work properly, make sure you have imported the afad_parser.yaml parser into the workspace\n// Retrieve the parser here: https://aka.ms/sentinel-TenableApp-afad-parser\n// Then, create the Kusto Function with alias afad_parser\nlet SeverityTable=datatable(Severity:string,Level:int) [\n\"low\", 1,\n\"medium\", 2,\n\"high\", 3,\n\"critical\", 4\n];\nlet codeNameList = datatable(Codename:string)[\"C-PRIV-ACCOUNTS-SPN\", \"C-NATIVE-ADM-GROUP-MEMBERS\", \"C-KRBTGT-PASSWORD\", \"C-PROTECTED-USERS-GROUP-UNUSED\", \"C-ADMINCOUNT-ACCOUNT-PROPS\", \"C-ADM-ACC-USAGE\", \"C-LAPS-UNSECURE-CONFIG\", \"C-DISABLED-ACCOUNTS-PRIV-GROUPS\"];\nafad_parser\n| where MessageType == 0 and Codename in~ (codeNameList)\n| lookup kind=leftouter SeverityTable on Severity\n| order by Level\n| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))\n",
        "queryFrequency": "PT2H",
        "queryPeriod": "PT2H",
        "severity": "Low",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess"
        ],
        "techniques": [
          "T1110"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}