Zero Networks Segement - Machine Removed from protection
Id | a4ce12ca-d01d-460a-b15e-6c74ef328b82 |
Rulename | Zero Networks Segement - Machine Removed from protection |
Description | Detects when a machine is removed from protection. |
Severity | High |
Tactics | DefenseEvasion |
Techniques | T1562 |
Required data connectors | ZeroNetworksSegmentAuditFunction ZeroNetworksSegmentAuditNativePoller |
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/ZeroNetworks/Analytic Rules/ZNSegmentMachineRemovedfromProtection.yaml |
Version | 1.0.1 |
Arm template | a4ce12ca-d01d-460a-b15e-6c74ef328b82.json |
ZNSegmentAudit
| where AuditTypeId == 4
severity: High
queryFrequency: 5m
relevantTechniques:
- T1562
tactics:
- DefenseEvasion
kind: Scheduled
query: |
ZNSegmentAudit
| where AuditTypeId == 4
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ZeroNetworks/Analytic Rules/ZNSegmentMachineRemovedfromProtection.yaml
queryPeriod: 5m
status: Available
version: 1.0.1
name: Zero Networks Segement - Machine Removed from protection
requiredDataConnectors:
- dataTypes:
- ZNSegmentAudit_CL
connectorId: ZeroNetworksSegmentAuditFunction
- dataTypes:
- ZNSegmentAuditNativePoller_CL
connectorId: ZeroNetworksSegmentAuditNativePoller
triggerOperator: gt
entityMappings:
- entityType: Account
fieldMappings:
- identifier: Name
columnName: PerformedByName
- entityType: Host
fieldMappings:
- identifier: HostName
columnName: DestinationEntityName
id: a4ce12ca-d01d-460a-b15e-6c74ef328b82
description: |
'Detects when a machine is removed from protection.'
triggerThreshold: 0
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/a4ce12ca-d01d-460a-b15e-6c74ef328b82')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a4ce12ca-d01d-460a-b15e-6c74ef328b82')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "Zero Networks Segement - Machine Removed from protection",
"description": "'Detects when a machine is removed from protection.'\n",
"severity": "High",
"enabled": true,
"query": "ZNSegmentAudit\n| where AuditTypeId == 4\n",
"queryFrequency": "PT5M",
"queryPeriod": "PT5M",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"DefenseEvasion"
],
"techniques": [
"T1562"
],
"alertRuleTemplateName": "a4ce12ca-d01d-460a-b15e-6c74ef328b82",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"columnName": "PerformedByName",
"identifier": "Name"
}
],
"entityType": "Account"
},
{
"fieldMappings": [
{
"columnName": "DestinationEntityName",
"identifier": "HostName"
}
],
"entityType": "Host"
}
],
"templateVersion": "1.0.1",
"status": "Available",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ZeroNetworks/Analytic Rules/ZNSegmentMachineRemovedfromProtection.yaml"
}
}
]
}