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Cisco Umbrella

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The Sumo Logic App for Cisco Umbrella provides analytics and visibility into DNS, Proxy, and Admin activity. It gives insights into Geolocation of traffic sources, blocked clients, top categories, and more. It also analyzes traffic passing through Umbrella SWG and selective proxy, and provides information on client requests, malware, AV detections, and traffic summary. The Admin Activity dashboard provides snapshots of changes made in Umbrella's settings.

Log types

Sumo Logic app for Cisco Umbrella uses the following log types:

Sample log messages

To know about the Sample Logs and Schema for Cisco Umbrella logs, click here.

Sample queries

DNS Logs
_sourceCategory=Labs/cisco_umbrella
| where _sourceName matches "*dnslogs*"
| parse "\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\"" as timestamp,identity,identites_all,internal_ip,external_ip,action,query_type,response_code,domain_name,categories,first_identity_type_matched,all_identity_types,blocked_categories
Proxy Logs
_sourceCategory=Labs/cisco_umbrella
| where _sourceName matches "*proxylogs*"
| parse "\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\"" as timestamp,policy_identity_label,internal_client_ip,external_client_ip,destination_ip,content_type,action,url,referer,user_agent,status_code,request_size,response_size,response_body_size,sha256,categories,av_detections,PUAs,AMP_disposition,AMP_malware_name,AMP_score,policy_identity_type,blocked_categories,identities,identity_types,request_method,DLP_status,certificate_errors,file_name,ruleset_ID,rule_ID,destination_list_IDs,isolate_action,file_action,warn_status
_sourceCategory=Labs/cisco_umbrella
| where _sourceName matches "*auditlogs*"
| parse "\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\",\"*\"" as id, timestamp, email, user, type, action, ip, before, after

Collecting logs for Cisco Umbrella

This section provides instructions for setting up collection for Cisco Umbrella for analysis in Sumo Logic.

The Cisco Umbrella app offers logging to Amazon S3 as it has the ability to upload, store, and archive traffic activity logs from your Umbrella dashboards to the cloud through Amazon S3. CSV formatted Umbrella logs are compressed (gzip) and uploaded every ten minutes so that there's a minimum of delay between traffic from the customer's Umbrella dashboard being logged and then being available to download from an S3 bucket.

  1. Login to your Amazon S3 admin account. You need to have a admin account to collect logs from Amazon S3 account.
  2. Navigate to the Log Management.
    aws s3 logs
  3. You have the following two options on Cisco Umbrella Amazon S3:
    • A self-managed bucket. You own the Amazon S3 bucket, including its configuration and management.
    • A Cisco-managed bucket. Cisco Umbrella owns the bucket and sets the configuration and management of it. For more information, see Enable Logging to a Cisco-managed S3 Bucket.
options aws s3 cisco
note

If you're collecting from a Cisco Umbrella bucket, SNS Subscription Endpoint is not supported. For more information, see important note on using the Sumo Logic Amazon S3 source for the Cisco-Managed S3 bucket

By having all your logs uploaded to an S3 bucket, you can then download logs automatically to keep in perpetuity in backup storage. Or, ingest the logs through your SIEM or another security tool to determine if any security events in these Umbrella logs coincide with events in other security tools.

For more information, see Cisco Umbrella Documentation.

Installing the Cisco Umbrella app

To install the app, do the following:

  1. From the Sumo Logic navigation, select App Catalog.
  2. In the Search Apps field, search for and then select your app.
    Optionally, you can scroll down to preview the dashboards included with the app.
  3. To install the app, click Install App.
  4. Click Next in the Setup Data section.
  5. In the Configure section of the respective app, complete the following fields.
    1. Key. Select either of these options for the data source.
      • Choose Source Category, and select a source category from the list for Default Value.
      • Choose Custom, and enter a custom metadata field. Insert its value in Default Value.
  6. Click Next. You will be redirected to the Preview & Done section.

Your app will be installed in the Installed Apps folder and dashboard panels will start to fill automatically.

Each panel slowly fills with data matching the time range query and received since the panel was created. Results will not immediately be available, updating with full graphs and charts over time.

Viewing Cisco Umbrella dashboards

All dashboards have a set of filters that you can apply to the entire dashboard. Use these filters to drill down and examine the data to a granular level.

  • You can change the time range for a dashboard or panel by selecting a predefined interval from a drop-down list, choosing a recently used time range, or specifying custom dates and times. Learn more.
  • You can use template variables to drill down and examine the data on a granular level. For more information, see Filter with template variables.
  • Most Next-Gen apps allow you to provide the scope at the installation time and are comprised of a key (_sourceCategory by default) and a default value for this key. Based on your input, the app dashboards will be parameterized with a dashboard variable, allowing you to change the dataset queried by all panels. This eliminates the need to create multiple copies of the same dashboard with different queries.

Admin Activities

Cisco Umbrella - Admin Activities. This dashboard displays snapshots of changes made to Umbrella's settings by the admin. By using the dashboard's filters, you can easily sort through the data based on key fields such as action.
cisco umbrella admin

DNS

Cisco Umbrella - DNS. This dashboard offers insights into traffic that has been processed by Cisco DNS resolvers. It provides a view of the geographical location of the traffic sources, clients that were blocked, the most popular categories and categories blocked by DNS. Additionally, it analyzes the domains requested, the related blocked requests and traffic, and the identities associated with them. The dashboard filters can be utilized to analyze the data based on crucial fields such as action, identity, response code, blocked category, and category.
cisco umbrella dns

Proxy

Cisco Umbrella - Proxy. This dashboard provides insights into the traffic that has gone through Umbrella's Secure Web Gateway (SWG) or Selective Proxy. It gives you a clear view of the geographical location of the traffic sources, client requests by blocked or allowed actions, malware detections, blocked sources and URLs, anti-virus detections, traffic request/response size, and an overall traffic summary. By using the dashboard's filters, you can easily analyze the data by different key fields such as action, identity, malware, anti-virus detection, blocked category, referrer, and category.
cisco umbrella proxy

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