Microsoft Sentinel Analytic Rules
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TIE Password issues

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Id87af910a-e9c0-4c96-8045-f778ba405251
RulenameTIE Password issues
DescriptionSearches for triggered Indicators of Exposures related to password 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/TIEPasswordIssues.yaml
Version1.0.1
Arm template87af910a-e9c0-4c96-8045-f778ba405251.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-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), '.'))
version: 1.0.1
queryPeriod: 2h
id: 87af910a-e9c0-4c96-8045-f778ba405251
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tenable App/Analytic Rules/TIEPasswordIssues.yaml
triggerThreshold: 0
kind: Scheduled
severity: Low
description: |
    'Searches for triggered Indicators of Exposures related to password issues.'
triggerOperator: gt
tactics:
- CredentialAccess
queryFrequency: 2h
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-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:
- connectorId: TenableIE
  dataTypes:
  - Tenable_IE_CL
relevantTechniques:
- T1110
name: TIE Password issues
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: HostName
  - identifier: DnsDomain
    columnName: DnsDomain
{
  "$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/87af910a-e9c0-4c96-8045-f778ba405251')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/87af910a-e9c0-4c96-8045-f778ba405251')]",
      "properties": {
        "alertRuleTemplateName": "87af910a-e9c0-4c96-8045-f778ba405251",
        "customDetails": null,
        "description": "'Searches for triggered Indicators of Exposures related to password issues.'\n",
        "displayName": "TIE 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/Tenable App/Analytic Rules/TIEPasswordIssues.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-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"
    }
  ]
}