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Id2518b57f-1a8b-44ea-935d-7dc1cfe4f918
RulenameTenable.ad Password issues
DescriptionSearches for triggered Indicators of Exposures related to password issues.
SeverityLow
TacticsCredentialAccess
TechniquesT1110
Required data connectorsTenable.ad
KindScheduled
Query frequency2h
Query period2h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/TenableAD/Analytic%20Rules/TenableAdPasswordIssues.yaml
Version1.0.1
Arm template2518b57f-1a8b-44ea-935d-7dc1cfe4f918.json
Deploy To Azure
// For the query to work properly, make sure you have imported the afad_parser.kql parser into the workspace
// Retrieve the parser here: https://raw.githubusercontent.com/tenable/Azure-Sentinel/Tenable.ad-connector/Solutions/TenableAD/Parsers/afad_parser.kql
// 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-CLEARTEXT-PASSWORD", "C-PASSWORD-DONT-EXPIRE", "C-USER-REVER-PWDS", "C-PASSWORD-POLICY", "C-USER-PASSWORD", "C-KRBTGT-PASSWORD", "C-AAD-SSO-PASSWORD", "C-REVER-PWD-GPO"];
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), '.'))
requiredDataConnectors:
- dataTypes:
  - Tenable_ad_CL
  connectorId: Tenable.ad
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/TenableAD/Analytic%20Rules/TenableAdPasswordIssues.yaml
version: 1.0.1
triggerThreshold: 0
queryFrequency: 2h
tactics:
- CredentialAccess
relevantTechniques:
- T1110
id: 2518b57f-1a8b-44ea-935d-7dc1cfe4f918
query: |
  // For the query to work properly, make sure you have imported the afad_parser.kql parser into the workspace
  // Retrieve the parser here: https://raw.githubusercontent.com/tenable/Azure-Sentinel/Tenable.ad-connector/Solutions/TenableAD/Parsers/afad_parser.kql
  // 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-CLEARTEXT-PASSWORD", "C-PASSWORD-DONT-EXPIRE", "C-USER-REVER-PWDS", "C-PASSWORD-POLICY", "C-USER-PASSWORD", "C-KRBTGT-PASSWORD", "C-AAD-SSO-PASSWORD", "C-REVER-PWD-GPO"];
  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), '.'))
triggerOperator: gt
name: Tenable.ad Password issues
queryPeriod: 2h
severity: Low
entityMappings:
- fieldMappings:
  - columnName: HostName
    identifier: HostName
  - columnName: DnsDomain
    identifier: DnsDomain
  entityType: Host
kind: Scheduled
description: |
  'Searches for triggered Indicators of Exposures related to password issues.'
{
  "$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/2518b57f-1a8b-44ea-935d-7dc1cfe4f918')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/2518b57f-1a8b-44ea-935d-7dc1cfe4f918')]",
      "properties": {
        "alertRuleTemplateName": "2518b57f-1a8b-44ea-935d-7dc1cfe4f918",
        "customDetails": null,
        "description": "'Searches for triggered Indicators of Exposures related to password issues.'\n",
        "displayName": "Tenable.ad Password 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/TenableAD/Analytic%20Rules/TenableAdPasswordIssues.yaml",
        "query": "// For the query to work properly, make sure you have imported the afad_parser.kql parser into the workspace\n// Retrieve the parser here: https://raw.githubusercontent.com/tenable/Azure-Sentinel/Tenable.ad-connector/Solutions/TenableAD/Parsers/afad_parser.kql\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-CLEARTEXT-PASSWORD\", \"C-PASSWORD-DONT-EXPIRE\", \"C-USER-REVER-PWDS\", \"C-PASSWORD-POLICY\", \"C-USER-PASSWORD\", \"C-KRBTGT-PASSWORD\", \"C-AAD-SSO-PASSWORD\", \"C-REVER-PWD-GPO\"];\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"
    }
  ]
}