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Microsoft Graph Security V1

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The Sumo Logic App for Microsoft Graph Security V1 enables you to identify security threats by analyzing alert logs and helps you to improve web security posture, proactively detect and mitigate potential security risks, and improve compliance with security policies and regulations.

danger

This version of the app uses alerts from Microsoft Graph API (https://learn.microsoft.com/en-us/graph/api/alert-list?view=graph-rest-1.0&tabs=http) and continues to be supported for existing customers who are bringing in alerts from that source. If you are setting up a new cloud-to-cloud source, it will use API V2 (https://learn.microsoft.com/en-us/graph/api/security-list-alerts_v2?view=graph-rest-1.0&tabs=http) which is covered by the Microsoft Graph Security V2 app.

Key features of the Microsoft Graph Security app include:

  • Detect and mitigate potential ransomware attacks.
  • Monitor endpoint security and identify potential threats.
  • High-level overview of the organizational security posture, including metrics such as the number of alerts, alert severity, and status.
  • Allows security teams to identify potential threats and take appropriate action based on the trends and patterns of security alerts over time.

Log types

This app uses Sumo Logic’s Microsoft Graph Security Source to collect Alerts from Microsoft Graph Security.

info

Learn more about fields of alert.

Sample log messages

Sample Alert Log
 {
"azureSubscriptionId": null,
"riskScore": null,
"tags": [],
"id": "02064FE6-AS23-43FF-BA16-78C21FQS23F",
"azureTenantId": "00000001-0001-0001-0001-000000000001",
"activityGroupName": null,
"assignedTo": "Josh",
"category": "ransomware",
"closedDateTime": null,
"comments": [],
"confidence": 10,
"createdDateTime": "2023-05-09T20:21:22Z",
"description": "The user Charles Fife (charles@M365x594651.onmicrosoft.com)\" performed an impossible travel activity. The user was active from 131.107.159.34 in Washington, US and 31.154.212.66 in Rosh Haayin, Hamerkaz, IL within 55 minutes. Additional risks in this user session: 131.107.159.34 was used for the first time in 268 days by this user. 191d5be7-f855-4d22-b8d0-bdb8ba7ccd7a was accessed for the first time in 268 days by this user.",
"detectionIds": [],
"eventDateTime": "2023-05-09T18:30:40Z",
"feedback": "falsePositive",
"lastModifiedDateTime": "2023-05-09T20:21:22Z",
"recommendedActions": [],
"severity": "low",
"sourceMaterials": [],
"status": "inProgress",
"title": "Ransome Attack",
"vendorInformation": {
"provider": "Cloud Application Security",
"providerVersion": "3.0",
"subProvider": "",
"vendor": "Microsoft"
},
"cloudAppStates": [],
"fileStates": [],
"hostStates": [],
"malwareStates": [
{
"category": "trojan",
"family": "wannacry",
"name": "Trojan:Win32/Powessere.H",
"severity": "high",
"wasRunning": true
}
],
"networkConnections": [],
"processes": [],
"registryKeyStates": [],
"triggers": [
{
"name": "hostState.privateIpAddress",
"type": "String",
"value": "101.33.128.0"
}
],
"userStates": [
{
"aadUserId": null,
"accountName": "Charles",
"domainName": "M365x584651.onmicrosoft.com",
"emailRole": "unknown",
"isVpn": null,
"logonDateTime": null,
"logonId": 1,
"logonIp": "101.33.128.0",
"logonLocation": "US",
"logonType": "batch",
"onPremisesSecurityIdentifier": null,
"riskScore": "0.5",
"userAccountType": "standard",
"userPrincipalName": "Charles@M365x584651.onmicrosoft.com"
}
],
"vulnerabilityStates": []
}

Sample queries

Alerts Count
_sourceCategory="ms_graph"
|json"id","status","severity","category","feedback","assignedTo","userStates[*]",,"title","description","confidence","malwareStates[*].category" as alert_id,status,severity,category,feedback,analyst,user_info,title,description,confidence,malware_category nodrop
| where severity matches "{{severity}}"
| where status matches "{{status}}"
| count_distinct(alert_id)

Set up collection

Follow the instructions for setting up the Cloud-to-Cloud Integration for Microsoft Graph Security source and use the same source category while installing the app.

Installing the Microsoft Graph Security app​

This section has instructions for installing the Microsoft Graph Security app for Sumo Logic.

To install the app:

  1. From the Sumo Logic navigation, select App Catalog.
  2. In the Search Apps field, search for and then select your app.
  3. Optionally, you can scroll down to preview the dashboards included with the app. Then, click Install App (sometimes this button says Add Integration).
    note

    If your app has multiple versions, you'll need to select the version of the service you're using before installation.

  4. On the next configuration page, under Select Data Source for your App, complete the following fields:
    • Data Source. Select one of the following options:
      • Choose Source Category and select a source category from the list; or
      • Choose Enter a Custom Data Filter, and enter a custom source category beginning with an underscore. For example, _sourceCategory=MyCategory.
    • Folder Name. You can retain the existing name or enter a custom name of your choice for the app.
    • All Folders (optional). Default location is the Personal folder in your Library. If desired, you can choose a different location and/or click New Folder to add it to a new folder.
  5. Click Next.
  6. Look for the dialog confirming that your app was installed successfully.
    app-success.png

Once an app is installed, it will appear in your Personal folder or the folder that you specified. From here, you can share it with other users in your organization. Dashboard panels will automatically start to fill with data matching the time range query received since you created the panel. Results won't be available immediately, but within about 20 minutes, you'll see completed graphs and maps.

Viewing Microsoft Graph Security dashboards​​

  • All dashboards have a set of filters that you can apply to the entire dashboard, as shown in the following example. Click the funnel icon in the top dashboard menu bar to display a scrollable list of filters that are applied across the entire dashboard.

You can use filters to drill down and examine the data on a granular level. Filters include client country, client device type, client IP, client request host, client request URI, client request user agent, edge response status, origin IP, and origin response status.

  • Each panel has a set of filters that are applied to the results for that panel only, as shown in the following example. Click the funnel icon in the top panel menu bar to display a list of panel-specific filters.

Alerts Overview

The Microsoft Graph Security - Alerts Overview dashboard provides a comprehensive overview of events which helps you to analyze security threats and take proactive measures to safeguard your organization. This dashboard features various widgets, including total alerts, high severity alerts, alerts by status, alerts by analyst feedback, alerts by confidence level, alerts by malware category, top analyst, and top alert categories.

The geo-location widget highlights alerts from high-risk countries, making it easier to identify and respond to potential threats from specific locations. The severity and trend widgets provide a detailed overview of the frequency and severity of alerts over time, allowing you to take proactive measures to mitigate risks. The top users associated with the alerts widget helps you pinpoint and address potential security risks related to user behavior efficiently. The recent alerts widget offers a quick snapshot of the latest security activity, ensuring you are always up-to-date on the latest developments.
Microsoft-Graph-Security-Alerts-Overview

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