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Silverfort - NoPacBreach Incident

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Idbdfd2c45-10a0-44e7-a90a-ba7b6bdd9ff2
RulenameSilverfort - NoPacBreach Incident
DescriptionThe NoPac vulnerability involves privilege escalation, allowing attackers to gain unauthorized access and potentially take control of an entire Active Directory domain
SeverityHigh
TacticsPrivilegeEscalation
TechniquesT1068
T1548
Required data connectorsSilverfortAma
KindScheduled
Query frequency15m
Query period15m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Silverfort/Analytic Rules/NoPac_Breach.yaml
Version1.0.0
Arm templatebdfd2c45-10a0-44e7-a90a-ba7b6bdd9ff2.json
Deploy To Azure
CommonSecurityLog 
| where DeviceVendor has 'Silverfort'
| where DeviceProduct has 'Admin Console'
| where DeviceEventClassID == "NewIncident"
| where Message has "NoPacBreach"
| extend UserName = parse_json(replace('^""|""$', '', Message))['userName']
version: 1.0.0
queryPeriod: 15m
severity: High
id: bdfd2c45-10a0-44e7-a90a-ba7b6bdd9ff2
relevantTechniques:
- T1068
- T1548
query: |-
  CommonSecurityLog 
  | where DeviceVendor has 'Silverfort'
  | where DeviceProduct has 'Admin Console'
  | where DeviceEventClassID == "NewIncident"
  | where Message has "NoPacBreach"
  | extend UserName = parse_json(replace('^""|""$', '', Message))['userName']  
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Silverfort/Analytic Rules/NoPac_Breach.yaml
description: |
    'The NoPac vulnerability involves privilege escalation, allowing attackers to gain unauthorized access and potentially take control of an entire Active Directory domain'
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: SilverfortAma
triggerThreshold: 0
kind: Scheduled
tactics:
- PrivilegeEscalation
queryFrequency: 15m
name: Silverfort - NoPacBreach Incident
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: UserName
    identifier: Name
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/bdfd2c45-10a0-44e7-a90a-ba7b6bdd9ff2')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/bdfd2c45-10a0-44e7-a90a-ba7b6bdd9ff2')]",
      "properties": {
        "alertRuleTemplateName": "bdfd2c45-10a0-44e7-a90a-ba7b6bdd9ff2",
        "customDetails": null,
        "description": "'The NoPac vulnerability involves privilege escalation, allowing attackers to gain unauthorized access and potentially take control of an entire Active Directory domain'\n",
        "displayName": "Silverfort - NoPacBreach Incident",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "UserName",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Silverfort/Analytic Rules/NoPac_Breach.yaml",
        "query": "CommonSecurityLog \n| where DeviceVendor has 'Silverfort'\n| where DeviceProduct has 'Admin Console'\n| where DeviceEventClassID == \"NewIncident\"\n| where Message has \"NoPacBreach\"\n| extend UserName = parse_json(replace('^\"\"|\"\"$', '', Message))['userName']",
        "queryFrequency": "PT15M",
        "queryPeriod": "PT15M",
        "severity": "High",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "PrivilegeEscalation"
        ],
        "techniques": [
          "T1068",
          "T1548"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}