Analytic rule catalog
1Password - Changes to firewall rules
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| Id | 54e6bb8e-2935-422f-9387-dba1961abfd7 |
| Rulename | 1Password - Changes to firewall rules |
| 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/ |
| Severity | Medium |
| Tactics | DefenseEvasion |
| Techniques | T1562 |
| Required data connectors | 1Password |
| Kind | Scheduled |
| Query frequency | 5m |
| Query period | 5m |
| Trigger threshold | 0 |
| Trigger operator | gt |
| Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics%20Rules/1Password%20-%20Changes%20to%20firewall%20rules.yaml |
| Version | 1.0.0 |
| Arm template | 54e6bb8e-2935-422f-9387-dba1961abfd7.json |
OnePasswordEventLogs_CL
| where log_source == "auditevents"
| where action == "updatfw"
| where object_type == "account"
| extend
ActorUsername = actor_details.email
, SrcIpAddr = session.ip
suppressionDuration: 5h
version: 1.0.0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics%20Rules/1Password%20-%20Changes%20to%20firewall%20rules.yaml
triggerThreshold: 0
requiredDataConnectors:
- dataTypes:
- OnePasswordEventLogs_CL
connectorId: 1Password
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/
relevantTechniques:
- T1562
kind: Scheduled
incidentConfiguration:
groupingConfiguration:
matchingMethod: AllEntities
lookbackDuration: 1h
reopenClosedIncident: false
enabled: true
createIncident: true
entityMappings:
- fieldMappings:
- identifier: FullName
columnName: ActorUsername
entityType: Account
- fieldMappings:
- identifier: Address
columnName: SrcIpAddr
entityType: IP
triggerOperator: gt
suppressionEnabled: false
subTechniques:
- T1562.007
queryFrequency: 5m
id: 54e6bb8e-2935-422f-9387-dba1961abfd7
name: 1Password - Changes to firewall rules
severity: Medium
query: |-
OnePasswordEventLogs_CL
| where log_source == "auditevents"
| where action == "updatfw"
| where object_type == "account"
| extend
ActorUsername = actor_details.email
, SrcIpAddr = session.ip
queryPeriod: 5m
tactics:
- DefenseEvasion
eventGroupingSettings:
aggregationKind: SingleAlert
{
"$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%20Rules/1Password%20-%20Changes%20to%20firewall%20rules.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"
}
]
}