Illusive Incidents Analytic Rule
Id | 1a7dbcf6-21a2-4255-84b2-c8dbbdca4630 |
Rulename | Illusive Incidents Analytic Rule |
Description | Create a Microsoft Sentinel incident upon a new Illusive alert (incident) and associate all related Illusive events to the relevant Microsoft Sentinel alert. This is done by filtering and processing Illusive Syslog messages. |
Severity | Medium |
Tactics | Persistence PrivilegeEscalation DefenseEvasion CredentialAccess LateralMovement |
Techniques | T1078 T1098 T1548 T1021 |
Required data connectors | CefAma Illusive illusiveAttackManagementSystemAma |
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/Illusive Platform/Analytic Rules/Illusive_Detection_Query.yaml |
Version | 1.0.5 |
Arm template | 1a7dbcf6-21a2-4255-84b2-c8dbbdca4630.json |
CommonSecurityLog
| where DeviceProduct == "illusive"
| extend DeviceCustomNumber2 = coalesce(column_ifexists("FieldDeviceCustomNumber2", long(null)),DeviceCustomNumber2)
| summarize arg_max(TimeGenerated, *) by DeviceCustomNumber2, AdditionalExtensions, TimeGenerated
| extend Category = extract(@'cat=([^;]+)(\;|$)', 1, AdditionalExtensions), HasForensics = extract(@'cs7=([^;]+)(\;|$)', 1, AdditionalExtensions)
| extend Category = coalesce(column_ifexists("DeviceEventCategory",""),Category)
| where Category == "illusive:alerts"
| extend IncidentId = DeviceCustomNumber2, IncidentURL = DeviceCustomString5
| project TimeGenerated, SourceIP, SourceHostName,Computer , DeviceEventClassID ,HasForensics ,SourceUserName, Activity, DeviceAddress, DestinationHostName, DestinationUserName, IncidentId, IncidentURL
id: 1a7dbcf6-21a2-4255-84b2-c8dbbdca4630
tactics:
- Persistence
- PrivilegeEscalation
- DefenseEvasion
- CredentialAccess
- LateralMovement
queryPeriod: 5m
eventGroupingSettings:
aggregationKind: AlertPerResult
triggerThreshold: 0
name: Illusive Incidents Analytic Rule
query: |
CommonSecurityLog
| where DeviceProduct == "illusive"
| extend DeviceCustomNumber2 = coalesce(column_ifexists("FieldDeviceCustomNumber2", long(null)),DeviceCustomNumber2)
| summarize arg_max(TimeGenerated, *) by DeviceCustomNumber2, AdditionalExtensions, TimeGenerated
| extend Category = extract(@'cat=([^;]+)(\;|$)', 1, AdditionalExtensions), HasForensics = extract(@'cs7=([^;]+)(\;|$)', 1, AdditionalExtensions)
| extend Category = coalesce(column_ifexists("DeviceEventCategory",""),Category)
| where Category == "illusive:alerts"
| extend IncidentId = DeviceCustomNumber2, IncidentURL = DeviceCustomString5
| project TimeGenerated, SourceIP, SourceHostName,Computer , DeviceEventClassID ,HasForensics ,SourceUserName, Activity, DeviceAddress, DestinationHostName, DestinationUserName, IncidentId, IncidentURL
severity: Medium
customDetails:
Account: SourceUserName
IllusiveIncidentId: IncidentId
HasForensics: HasForensics
triggerOperator: gt
kind: Scheduled
relevantTechniques:
- T1078
- T1098
- T1548
- T1021
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Illusive Platform/Analytic Rules/Illusive_Detection_Query.yaml
queryFrequency: 5m
requiredDataConnectors:
- connectorId: Illusive
dataTypes:
- CommonSecurityLog
- connectorId: illusiveAttackManagementSystemAma
dataTypes:
- CommonSecurityLog
- connectorId: CefAma
dataTypes:
- CommonSecurityLog
version: 1.0.5
description: |
'Create a Microsoft Sentinel incident upon a new Illusive alert (incident) and associate all related Illusive events to the relevant Microsoft Sentinel alert. This is done by filtering and processing Illusive Syslog messages.'
status: Available
alertDetailsOverride:
alertDisplayNameFormat: |
Illusive Incident: {{IncidentId}}
alertDescriptionFormat: |
Illusive Incident {{IncidentId}} generated at {{TimeGenerated}}
entityMappings:
- fieldMappings:
- columnName: SourceIP
identifier: Address
entityType: IP
- fieldMappings:
- columnName: SourceHostName
identifier: FullName
entityType: Host
- fieldMappings:
- columnName: Computer
identifier: OMSAgentID
entityType: Host
{
"$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/1a7dbcf6-21a2-4255-84b2-c8dbbdca4630')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/1a7dbcf6-21a2-4255-84b2-c8dbbdca4630')]",
"properties": {
"alertDetailsOverride": {
"alertDescriptionFormat": "Illusive Incident {{IncidentId}} generated at {{TimeGenerated}}\n",
"alertDisplayNameFormat": "Illusive Incident: {{IncidentId}}\n"
},
"alertRuleTemplateName": "1a7dbcf6-21a2-4255-84b2-c8dbbdca4630",
"customDetails": {
"Account": "SourceUserName",
"HasForensics": "HasForensics",
"IllusiveIncidentId": "IncidentId"
},
"description": "'Create a Microsoft Sentinel incident upon a new Illusive alert (incident) and associate all related Illusive events to the relevant Microsoft Sentinel alert. This is done by filtering and processing Illusive Syslog messages.'\n",
"displayName": "Illusive Incidents Analytic Rule",
"enabled": true,
"entityMappings": [
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "SourceIP",
"identifier": "Address"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "SourceHostName",
"identifier": "FullName"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "Computer",
"identifier": "OMSAgentID"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "AlertPerResult"
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Illusive Platform/Analytic Rules/Illusive_Detection_Query.yaml",
"query": "CommonSecurityLog\n| where DeviceProduct == \"illusive\"\n| extend DeviceCustomNumber2 = coalesce(column_ifexists(\"FieldDeviceCustomNumber2\", long(null)),DeviceCustomNumber2)\n| summarize arg_max(TimeGenerated, *) by DeviceCustomNumber2, AdditionalExtensions, TimeGenerated\n| extend Category = extract(@'cat=([^;]+)(\\;|$)', 1, AdditionalExtensions), HasForensics = extract(@'cs7=([^;]+)(\\;|$)', 1, AdditionalExtensions)\n| extend Category = coalesce(column_ifexists(\"DeviceEventCategory\",\"\"),Category)\t\n| where Category == \"illusive:alerts\"\n| extend IncidentId = DeviceCustomNumber2, IncidentURL = DeviceCustomString5\n| project TimeGenerated, SourceIP, SourceHostName,Computer , DeviceEventClassID ,HasForensics ,SourceUserName, Activity, DeviceAddress, DestinationHostName, DestinationUserName, IncidentId, IncidentURL\n",
"queryFrequency": "PT5M",
"queryPeriod": "PT5M",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"CredentialAccess",
"DefenseEvasion",
"LateralMovement",
"Persistence",
"PrivilegeEscalation"
],
"techniques": [
"T1021",
"T1078",
"T1098",
"T1548"
],
"templateVersion": "1.0.5",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}