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
query: |-
  OnePasswordEventLogs_CL
  | where log_source == "auditevents"
  | where action == "updatfw"
  | where object_type == "account"
  | extend
      ActorUsername = actor_details.email
      , SrcIpAddr = session.ip  
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/  
triggerThreshold: 0
requiredDataConnectors:
- dataTypes:
  - OnePasswordEventLogs_CL
  connectorId: 1Password
name: 1Password - Changes to firewall rules
eventGroupingSettings:
  aggregationKind: SingleAlert
relevantTechniques:
- T1562
queryPeriod: 5m
severity: Medium
triggerOperator: gt
version: 1.0.0
queryFrequency: 5m
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: 1h
    reopenClosedIncident: false
    matchingMethod: AllEntities
    enabled: true
  createIncident: true
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: ActorUsername
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: SrcIpAddr
kind: Scheduled
tactics:
- DefenseEvasion
suppressionDuration: 5h
subTechniques:
- T1562.007
suppressionEnabled: false
id: 54e6bb8e-2935-422f-9387-dba1961abfd7
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - Changes to firewall rules.yaml
{
  "$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"
    }
  ]
}