Microsoft Sentinel Analytic Rules
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1Password - Changes to firewall rules

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Id54e6bb8e-2935-422f-9387-dba1961abfd7
Rulename1Password - Changes to firewall rules
DescriptionThis will alert when changes have been made to the firewall rules. Once this analytics rule is triggered it will group all related future alerts for upto an hour when all related entities are the same.



Ref: https://1password.com/

Ref: https://github.com/securehats/
SeverityMedium
TacticsDefenseEvasion
TechniquesT1562
Required data connectors1Password
KindScheduled
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - Changes to firewall rules.yaml
Version1.0.0
Arm template54e6bb8e-2935-422f-9387-dba1961abfd7.json
Deploy To Azure
OnePasswordEventLogs_CL
| where log_source == "auditevents"
| where action == "updatfw"
| where object_type == "account"
| extend
    ActorUsername = actor_details.email
    , SrcIpAddr = session.ip
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 1h
    reopenClosedIncident: false
    enabled: true
    matchingMethod: AllEntities
id: 54e6bb8e-2935-422f-9387-dba1961abfd7
tactics:
- DefenseEvasion
queryPeriod: 5m
eventGroupingSettings:
  aggregationKind: SingleAlert
triggerThreshold: 0
name: 1Password - Changes to firewall rules
query: |-
  OnePasswordEventLogs_CL
  | where log_source == "auditevents"
  | where action == "updatfw"
  | where object_type == "account"
  | extend
      ActorUsername = actor_details.email
      , SrcIpAddr = session.ip  
severity: Medium
subTechniques:
- T1562.007
triggerOperator: gt
kind: Scheduled
suppressionDuration: 5h
relevantTechniques:
- T1562
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - Changes to firewall rules.yaml
queryFrequency: 5m
requiredDataConnectors:
- connectorId: 1Password
  dataTypes:
  - OnePasswordEventLogs_CL
description: |-
  This will alert when changes have been made to the firewall rules. Once this analytics rule is triggered it will group all related future alerts for upto an hour when all related entities are the same.

  Ref: https://1password.com/
  Ref: https://github.com/securehats/  
suppressionEnabled: false
version: 1.0.0
entityMappings:
- fieldMappings:
  - columnName: ActorUsername
    identifier: FullName
  entityType: Account
- fieldMappings:
  - columnName: SrcIpAddr
    identifier: Address
  entityType: IP
{
  "$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/54e6bb8e-2935-422f-9387-dba1961abfd7')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/54e6bb8e-2935-422f-9387-dba1961abfd7')]",
      "properties": {
        "alertRuleTemplateName": "54e6bb8e-2935-422f-9387-dba1961abfd7",
        "customDetails": null,
        "description": "This will alert when changes have been made to the firewall rules. Once this analytics rule is triggered it will group all related future alerts for upto an hour when all related entities are the same.\n\nRef: https://1password.com/\nRef: https://github.com/securehats/",
        "displayName": "1Password - Changes to firewall rules",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "ActorUsername",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SrcIpAddr",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "lookbackDuration": "PT1H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - Changes to firewall rules.yaml",
        "query": "OnePasswordEventLogs_CL\n| where log_source == \"auditevents\"\n| where action == \"updatfw\"\n| where object_type == \"account\"\n| extend\n    ActorUsername = actor_details.email\n    , SrcIpAddr = session.ip",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "Medium",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1562"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}