Dataverse - Honeypot instance activity
Id | 11650b85-d8cc-49c4-8c04-a8a739635983 |
Rulename | Dataverse - Honeypot instance activity |
Description | Identifies activities in a predefined Honeypot Dataverse instance. Alerts when either sign-in to the Honeypot is detected or when monitored Dataverse tables in the Honeypot are accessed. Note: Requires a dedicated Honeypot Dataverse instance in Power Platform with auditing enabled. |
Severity | Medium |
Tactics | Discovery Exfiltration |
Techniques | T1538 T1526 T1567 |
Required data connectors | Dataverse |
Kind | Scheduled |
Query frequency | 1h |
Query period | 1d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Business Applications/Analytic Rules/Dataverse - Honeypot instance activity.yaml |
Version | 3.2.0 |
Arm template | 11650b85-d8cc-49c4-8c04-a8a739635983.json |
let honeypot_dataverse_instances = dynamic(["https://myinstance.crm.dynamics.com/"]);
let honeypot_authorized_users = dynamic(["scanner@mydomain.com"]);
let monitored_dataverse_entities = dynamic(["contact", "account", "opportunity", "lead", "competitor"]);
let query_frequency = 1h;
DataverseActivity
| where TimeGenerated >= ago(query_frequency)
| where InstanceUrl in (honeypot_dataverse_instances)
| where UserId !in (honeypot_authorized_users)
| where UserId !endswith "@onmicrosoft.com"
and UserId != "Unknown"
and isnotempty(ClientIp)
| where Message in ("UserSignIn") or EntityName in (monitored_dataverse_entities)
| summarize
TimeStart = min(TimeGenerated),
TimeEnd = max(TimeGenerated),
Entities = make_set(EntityName, 10),
Messages = make_set(Message, 10)
by UserId, ClientIp, InstanceUrl
| extend Severity = iif(array_length(set_difference(Messages, dynamic(["UserSignIn"]))) > 0, "Medium", "Low")
| extend CloudAppId = int(32780)
| extend AccountName = tostring(split(UserId, '@')[0])
| extend UPNSuffix = tostring(split(UserId, '@')[1])
| project
TimeStart,
TimeEnd,
UserId,
ClientIp,
InstanceUrl,
Messages,
Entities,
Severity,
CloudAppId,
AccountName,
UPNSuffix
entityMappings:
- entityType: Account
fieldMappings:
- identifier: Name
columnName: AccountName
- identifier: UPNSuffix
columnName: UPNSuffix
- entityType: IP
fieldMappings:
- identifier: Address
columnName: ClientIp
- entityType: CloudApplication
fieldMappings:
- identifier: AppId
columnName: CloudAppId
- identifier: InstanceName
columnName: InstanceUrl
queryFrequency: 1h
name: Dataverse - Honeypot instance activity
alertDetailsOverride:
alertDisplayNameFormat: 'Dataverse - Honeytoken activity detected in {{InstanceUrl}} '
alertDescriptionFormat: '{{UserId}} from {{ClientIp}} was detected in the Dataverse honeypot instance: {{InstanceUrl}}'
alertSeverityColumnName: Severity
kind: Scheduled
tactics:
- Discovery
- Exfiltration
triggerThreshold: 0
query: |
let honeypot_dataverse_instances = dynamic(["https://myinstance.crm.dynamics.com/"]);
let honeypot_authorized_users = dynamic(["scanner@mydomain.com"]);
let monitored_dataverse_entities = dynamic(["contact", "account", "opportunity", "lead", "competitor"]);
let query_frequency = 1h;
DataverseActivity
| where TimeGenerated >= ago(query_frequency)
| where InstanceUrl in (honeypot_dataverse_instances)
| where UserId !in (honeypot_authorized_users)
| where UserId !endswith "@onmicrosoft.com"
and UserId != "Unknown"
and isnotempty(ClientIp)
| where Message in ("UserSignIn") or EntityName in (monitored_dataverse_entities)
| summarize
TimeStart = min(TimeGenerated),
TimeEnd = max(TimeGenerated),
Entities = make_set(EntityName, 10),
Messages = make_set(Message, 10)
by UserId, ClientIp, InstanceUrl
| extend Severity = iif(array_length(set_difference(Messages, dynamic(["UserSignIn"]))) > 0, "Medium", "Low")
| extend CloudAppId = int(32780)
| extend AccountName = tostring(split(UserId, '@')[0])
| extend UPNSuffix = tostring(split(UserId, '@')[1])
| project
TimeStart,
TimeEnd,
UserId,
ClientIp,
InstanceUrl,
Messages,
Entities,
Severity,
CloudAppId,
AccountName,
UPNSuffix
relevantTechniques:
- T1538
- T1526
- T1567
triggerOperator: gt
queryPeriod: 1d
eventGroupingSettings:
aggregationKind: SingleAlert
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Business Applications/Analytic Rules/Dataverse - Honeypot instance activity.yaml
severity: Medium
status: Available
id: 11650b85-d8cc-49c4-8c04-a8a739635983
requiredDataConnectors:
- connectorId: Dataverse
dataTypes:
- DataverseActivity
version: 3.2.0
description: |
Identifies activities in a predefined Honeypot Dataverse instance. Alerts when either sign-in to the Honeypot is detected or when monitored Dataverse tables in the Honeypot are accessed.
Note: Requires a dedicated Honeypot Dataverse instance in Power Platform with auditing enabled.
{
"$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/11650b85-d8cc-49c4-8c04-a8a739635983')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/11650b85-d8cc-49c4-8c04-a8a739635983')]",
"properties": {
"alertDetailsOverride": {
"alertDescriptionFormat": "{{UserId}} from {{ClientIp}} was detected in the Dataverse honeypot instance: {{InstanceUrl}}",
"alertDisplayNameFormat": "Dataverse - Honeytoken activity detected in {{InstanceUrl}} ",
"alertSeverityColumnName": "Severity"
},
"alertRuleTemplateName": "11650b85-d8cc-49c4-8c04-a8a739635983",
"customDetails": null,
"description": "Identifies activities in a predefined Honeypot Dataverse instance. Alerts when either sign-in to the Honeypot is detected or when monitored Dataverse tables in the Honeypot are accessed.\n\nNote: Requires a dedicated Honeypot Dataverse instance in Power Platform with auditing enabled.\n",
"displayName": "Dataverse - Honeypot instance activity",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountName",
"identifier": "Name"
},
{
"columnName": "UPNSuffix",
"identifier": "UPNSuffix"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "ClientIp",
"identifier": "Address"
}
]
},
{
"entityType": "CloudApplication",
"fieldMappings": [
{
"columnName": "CloudAppId",
"identifier": "AppId"
},
{
"columnName": "InstanceUrl",
"identifier": "InstanceName"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "SingleAlert"
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Business Applications/Analytic Rules/Dataverse - Honeypot instance activity.yaml",
"query": "let honeypot_dataverse_instances = dynamic([\"https://myinstance.crm.dynamics.com/\"]);\nlet honeypot_authorized_users = dynamic([\"scanner@mydomain.com\"]);\nlet monitored_dataverse_entities = dynamic([\"contact\", \"account\", \"opportunity\", \"lead\", \"competitor\"]);\nlet query_frequency = 1h;\nDataverseActivity\n| where TimeGenerated >= ago(query_frequency)\n| where InstanceUrl in (honeypot_dataverse_instances)\n| where UserId !in (honeypot_authorized_users)\n| where UserId !endswith \"@onmicrosoft.com\"\n and UserId != \"Unknown\"\n and isnotempty(ClientIp)\n| where Message in (\"UserSignIn\") or EntityName in (monitored_dataverse_entities)\n| summarize\n TimeStart = min(TimeGenerated),\n TimeEnd = max(TimeGenerated),\n Entities = make_set(EntityName, 10),\n Messages = make_set(Message, 10)\n by UserId, ClientIp, InstanceUrl\n| extend Severity = iif(array_length(set_difference(Messages, dynamic([\"UserSignIn\"]))) > 0, \"Medium\", \"Low\")\n| extend CloudAppId = int(32780)\n| extend AccountName = tostring(split(UserId, '@')[0])\n| extend UPNSuffix = tostring(split(UserId, '@')[1])\n| project\n TimeStart,\n TimeEnd,\n UserId,\n ClientIp,\n InstanceUrl,\n Messages,\n Entities,\n Severity,\n CloudAppId,\n AccountName,\n UPNSuffix\n",
"queryFrequency": "PT1H",
"queryPeriod": "P1D",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Discovery",
"Exfiltration"
],
"techniques": [
"T1526",
"T1538",
"T1567"
],
"templateVersion": "3.2.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}