Insider Risk_Microsoft Purview Insider Risk Management Alert Observed
Id | 69660e65-0e5c-4700-8b99-5caf59786606 |
Rulename | Insider Risk_Microsoft Purview Insider Risk Management Alert Observed |
Description | This alert is triggered when a Microsoft Purview Insider Risk Management alert is recieved in Microsoft Sentinel via the Microsoft Purview Insider Risk Management Connector. The alert extracts usernames from security alerts to provide UserPrincipalName, Alert Name, Reporting Product Name, Status, Alert Link, Previous Alerts Links, Time Generated. There is an option for configuration of correlations against Microsoft Sentinel watchlists. For more information, see Learn about insider risk management |
Severity | High |
Tactics | Execution |
Techniques | T1204 |
Required data connectors | OfficeATP |
Kind | Scheduled |
Query frequency | 6h |
Query period | 6h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MicrosoftPurviewInsiderRiskManagement/Analytic Rules/InsiderRiskM365IRMAlertObserved.yaml |
Version | 1.1.3 |
Arm template | 69660e65-0e5c-4700-8b99-5caf59786606.json |
let AlertLinks = SecurityAlert
| summarize hint.strategy = shuffle arg_max(TimeGenerated, *), NumberOfUpdates = count() by SystemAlertId
| mv-expand todynamic(Entities)
| where Entities["Type"] =~ "account"
| extend Name = tostring(tolower(Entities["Name"])), NTDomain = tostring(Entities["NTDomain"]), UPNSuffix = tostring(Entities["UPNSuffix"]), AadUserId = tostring(Entities["AadUserId"]), AadTenantId = tostring(Entities["AadTenantId"]),
Sid = tostring(Entities["Sid"]), IsDomainJoined = tobool(Entities["IsDomainJoined"]), Host = tostring(Entities["Host"])
| extend UPN = iff(Name != "" and UPNSuffix != "", strcat(Name, "@", UPNSuffix), "")
| extend Href_ = tostring(parse_json(ExtendedLinks)[0].Href)
| where UPN <> ""
| summarize PreciousSecurityAlertLinks=make_set(AlertLink) by UPN;
SecurityAlert
| where ProductName == "Microsoft 365 Insider Risk Management"
| summarize hint.strategy = shuffle arg_max(TimeGenerated, *), NumberOfUpdates = count() by SystemAlertId
| mv-expand todynamic(Entities)
| where Entities["Type"] =~ "account"
| extend Name = tostring(tolower(Entities["Name"])), NTDomain = tostring(Entities["NTDomain"]), UPNSuffix = tostring(Entities["UPNSuffix"]), AadUserId = tostring(Entities["AadUserId"]), AadTenantId = tostring(Entities["AadTenantId"]),
Sid = tostring(Entities["Sid"]), IsDomainJoined = tobool(Entities["IsDomainJoined"]), Host = tostring(Entities["Host"])
| extend UPN = iff(Name != "" and UPNSuffix != "", strcat(Name, "@", UPNSuffix), "")
| extend Href_ = tostring(parse_json(ExtendedLinks)[0].Href)
| join kind=inner (AlertLinks) on UPN
| extend UserPrincipalName = UPN
| extend PreviousAlertsLinks = strcat(PreciousSecurityAlertLinks)
// | lookup kind=inner _GetWatchlist('<Your Watchlist Name>') on $left.UserPrincipalName == $right.SearchKey
| project UserPrincipalName, AlertName, ProductName, Tactics, Status, AlertLink, PreviousAlertsLinks, TimeGenerated
| sort by TimeGenerated desc
| extend AccountName = tostring(split(UserPrincipalName, "@")[0]), AccountUPNSuffix = tostring(split(UserPrincipalName, "@")[1])
query: |
let AlertLinks = SecurityAlert
| summarize hint.strategy = shuffle arg_max(TimeGenerated, *), NumberOfUpdates = count() by SystemAlertId
| mv-expand todynamic(Entities)
| where Entities["Type"] =~ "account"
| extend Name = tostring(tolower(Entities["Name"])), NTDomain = tostring(Entities["NTDomain"]), UPNSuffix = tostring(Entities["UPNSuffix"]), AadUserId = tostring(Entities["AadUserId"]), AadTenantId = tostring(Entities["AadTenantId"]),
Sid = tostring(Entities["Sid"]), IsDomainJoined = tobool(Entities["IsDomainJoined"]), Host = tostring(Entities["Host"])
| extend UPN = iff(Name != "" and UPNSuffix != "", strcat(Name, "@", UPNSuffix), "")
| extend Href_ = tostring(parse_json(ExtendedLinks)[0].Href)
| where UPN <> ""
| summarize PreciousSecurityAlertLinks=make_set(AlertLink) by UPN;
SecurityAlert
| where ProductName == "Microsoft 365 Insider Risk Management"
| summarize hint.strategy = shuffle arg_max(TimeGenerated, *), NumberOfUpdates = count() by SystemAlertId
| mv-expand todynamic(Entities)
| where Entities["Type"] =~ "account"
| extend Name = tostring(tolower(Entities["Name"])), NTDomain = tostring(Entities["NTDomain"]), UPNSuffix = tostring(Entities["UPNSuffix"]), AadUserId = tostring(Entities["AadUserId"]), AadTenantId = tostring(Entities["AadTenantId"]),
Sid = tostring(Entities["Sid"]), IsDomainJoined = tobool(Entities["IsDomainJoined"]), Host = tostring(Entities["Host"])
| extend UPN = iff(Name != "" and UPNSuffix != "", strcat(Name, "@", UPNSuffix), "")
| extend Href_ = tostring(parse_json(ExtendedLinks)[0].Href)
| join kind=inner (AlertLinks) on UPN
| extend UserPrincipalName = UPN
| extend PreviousAlertsLinks = strcat(PreciousSecurityAlertLinks)
// | lookup kind=inner _GetWatchlist('<Your Watchlist Name>') on $left.UserPrincipalName == $right.SearchKey
| project UserPrincipalName, AlertName, ProductName, Tactics, Status, AlertLink, PreviousAlertsLinks, TimeGenerated
| sort by TimeGenerated desc
| extend AccountName = tostring(split(UserPrincipalName, "@")[0]), AccountUPNSuffix = tostring(split(UserPrincipalName, "@")[1])
description: |
'This alert is triggered when a Microsoft Purview Insider Risk Management alert is recieved in Microsoft Sentinel via the Microsoft Purview Insider Risk Management Connector. The alert extracts usernames from security alerts to provide UserPrincipalName, Alert Name, Reporting Product Name, Status, Alert Link, Previous Alerts Links, Time Generated. There is an option for configuration of correlations against Microsoft Sentinel watchlists. For more information, see [Learn about insider risk management](https://docs.microsoft.com/microsoft-365/compliance/insider-risk-management)'
triggerThreshold: 0
requiredDataConnectors:
- dataTypes:
- SecurityAlert (Office 365)
connectorId: OfficeATP
incidentConfiguration:
groupingConfiguration:
lookbackDuration: 3d
reopenClosedIncident: true
groupByEntities:
- Account
enabled: true
matchingMethod: Selected
createIncident: true
name: Insider Risk_Microsoft Purview Insider Risk Management Alert Observed
relevantTechniques:
- T1204
queryPeriod: 6h
severity: High
triggerOperator: gt
version: 1.1.3
queryFrequency: 6h
eventGroupingSettings:
aggregationKind: SingleAlert
entityMappings:
- entityType: Account
fieldMappings:
- identifier: FullName
columnName: UserPrincipalName
- identifier: Name
columnName: AccountName
- identifier: UPNSuffix
columnName: AccountUPNSuffix
kind: Scheduled
tactics:
- Execution
id: 69660e65-0e5c-4700-8b99-5caf59786606
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MicrosoftPurviewInsiderRiskManagement/Analytic Rules/InsiderRiskM365IRMAlertObserved.yaml
{
"$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/69660e65-0e5c-4700-8b99-5caf59786606')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/69660e65-0e5c-4700-8b99-5caf59786606')]",
"properties": {
"alertRuleTemplateName": "69660e65-0e5c-4700-8b99-5caf59786606",
"customDetails": null,
"description": "'This alert is triggered when a Microsoft Purview Insider Risk Management alert is recieved in Microsoft Sentinel via the Microsoft Purview Insider Risk Management Connector. The alert extracts usernames from security alerts to provide UserPrincipalName, Alert Name, Reporting Product Name, Status, Alert Link, Previous Alerts Links, Time Generated. There is an option for configuration of correlations against Microsoft Sentinel watchlists. For more information, see [Learn about insider risk management](https://docs.microsoft.com/microsoft-365/compliance/insider-risk-management)'\n",
"displayName": "Insider Risk_Microsoft Purview Insider Risk Management Alert Observed",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "UserPrincipalName",
"identifier": "FullName"
},
{
"columnName": "AccountName",
"identifier": "Name"
},
{
"columnName": "AccountUPNSuffix",
"identifier": "UPNSuffix"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "SingleAlert"
},
"incidentConfiguration": {
"createIncident": true,
"groupingConfiguration": {
"enabled": true,
"groupByEntities": [
"Account"
],
"lookbackDuration": "P3D",
"matchingMethod": "Selected",
"reopenClosedIncident": true
}
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MicrosoftPurviewInsiderRiskManagement/Analytic Rules/InsiderRiskM365IRMAlertObserved.yaml",
"query": "let AlertLinks = SecurityAlert\n| summarize hint.strategy = shuffle arg_max(TimeGenerated, *), NumberOfUpdates = count() by SystemAlertId\n| mv-expand todynamic(Entities)\n| where Entities[\"Type\"] =~ \"account\"\n| extend Name = tostring(tolower(Entities[\"Name\"])), NTDomain = tostring(Entities[\"NTDomain\"]), UPNSuffix = tostring(Entities[\"UPNSuffix\"]), AadUserId = tostring(Entities[\"AadUserId\"]), AadTenantId = tostring(Entities[\"AadTenantId\"]), \n Sid = tostring(Entities[\"Sid\"]), IsDomainJoined = tobool(Entities[\"IsDomainJoined\"]), Host = tostring(Entities[\"Host\"])\n| extend UPN = iff(Name != \"\" and UPNSuffix != \"\", strcat(Name, \"@\", UPNSuffix), \"\")\n| extend Href_ = tostring(parse_json(ExtendedLinks)[0].Href)\n| where UPN <> \"\"\n| summarize PreciousSecurityAlertLinks=make_set(AlertLink) by UPN;\nSecurityAlert\n| where ProductName == \"Microsoft 365 Insider Risk Management\"\n | summarize hint.strategy = shuffle arg_max(TimeGenerated, *), NumberOfUpdates = count() by SystemAlertId\n | mv-expand todynamic(Entities)\n | where Entities[\"Type\"] =~ \"account\"\n | extend Name = tostring(tolower(Entities[\"Name\"])), NTDomain = tostring(Entities[\"NTDomain\"]), UPNSuffix = tostring(Entities[\"UPNSuffix\"]), AadUserId = tostring(Entities[\"AadUserId\"]), AadTenantId = tostring(Entities[\"AadTenantId\"]), \n Sid = tostring(Entities[\"Sid\"]), IsDomainJoined = tobool(Entities[\"IsDomainJoined\"]), Host = tostring(Entities[\"Host\"])\n | extend UPN = iff(Name != \"\" and UPNSuffix != \"\", strcat(Name, \"@\", UPNSuffix), \"\")\n| extend Href_ = tostring(parse_json(ExtendedLinks)[0].Href)\n| join kind=inner (AlertLinks) on UPN\n| extend UserPrincipalName = UPN\n| extend PreviousAlertsLinks = strcat(PreciousSecurityAlertLinks)\n// | lookup kind=inner _GetWatchlist('<Your Watchlist Name>') on $left.UserPrincipalName == $right.SearchKey\n| project UserPrincipalName, AlertName, ProductName, Tactics, Status, AlertLink, PreviousAlertsLinks, TimeGenerated\n| sort by TimeGenerated desc\n| extend AccountName = tostring(split(UserPrincipalName, \"@\")[0]), AccountUPNSuffix = tostring(split(UserPrincipalName, \"@\")[1])\n",
"queryFrequency": "PT6H",
"queryPeriod": "PT6H",
"severity": "High",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Execution"
],
"techniques": [
"T1204"
],
"templateVersion": "1.1.3",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}