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Sumo Logic App for Gmail Trace Logs

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Gmail Trace Logs is a new Sumo Logic app based on the Gmail BigQuery Cloud-to-Cloud source, which is a managed analytics data warehouse that provides scalable Gmail reports of your organization.

The Sumo Logic App for Gmail Trace Logs helps monitor spam messages, malware, dropped messages and rejected messages. It allows you to view messages with objectionable content, messages detected by your Security Sandbox, and messages flagged by the Walled Garden Rule.

Log Types

The Sumo Logic App for Gmail Trace Logs uses Gmail Logs via BigQuery.

For details, see the Schema for Gmail logs in BigQuery.

Sample Logs

{
"event_info": {
"timestamp_usec": 1669101504309964,
"elapsed_time_usec": 2115298,
"success": true
},
"message_info": {
"action_type": 3,
"rfc2822_message_id": "\u003c2f9102a27ddd041edc7654ef84e4e06ddb843aba-20231242-111224498@wcwgkemdsf.com\u003e",
"subject": "[Update] For GCP Organizations, all Security and Privacy Notifications will be sent through Advisory Notifications",
"payload_size": 33084,
"source": {
"address": "CloudPlatform-noreply@wcwgkemdsf.com",
"service": "smtp-inbound",
"selector": null,
"from_header_address": "cloudplatform-noreply@wcwgkemdsf.com",
"from_header_displayname": "Google Cloud Platform"
},
"destination": [
{
"address": "Thomas@wcwgkemdsf.com",
"service": "gmail-ui",
"selector": "",
"smime_signature_verification_success": null,
"smime_decryption_success": null,
"smime_parsing_success": null,
"smime_extraction_success": null,
"rcpt_response": null
}
],
"flattened_destinations": "gmail-ui::Thomas@wcwgkemdsf.com",
"description": "No Error",
"connection_info": {
"client_ip": "95.184.117.158",
"smtp_in_connect_ip": null,
"smtp_out_connect_ip": null,
"failed_smtp_out_connect_ip": null,
"smtp_tls_state": 1,
"smtp_reply_code": 0,
"tls_required_but_unavailable": null,
"smtp_out_remote_host": null,
"smtp_user_agent_ip": "95.184.117.158",
"is_intra_domain": false,
"dmarc_pass": true,
"dmarc_published_domain": "google.com",
"client_host_zone": "google.com",
"smtp_response_reason": null,
"ip_geo_city": null,
"ip_geo_country": "US",
"authenticated_domain": [
{
},
{
"name": "scoutcamp.bounces.google.com",
"type": 1
}
],
"is_internal": false,
"dkim_pass": true,
"spf_pass": true,
"smtp_tls_version": null,
"smtp_tls_cipher": null
},
"is_spam": false,
"is_policy_check_for_sender": false,
"num_message_attachments": 0,
"message_set": [
{
"type": 9
},
{
"type": 15
},
{
"type": 1
}
],
"smtp_relay_error": null,
"upload_error_category": null,
"structured_policy_log_info": null,
"triggered_rule_info": null,
"flattened_triggered_rule_info": null,
"smime_sign_message": null,
"smime_encrypt_message": null,
"smime_packaging_success": null,
"smime_extraction_success": null,
"smime_content_type": 0,
"link_domain": [
"google.com"
],
"attachment": null,
"spam_info": {
"classification_reason": 2,
"classification_timestamp_usec": null,
"disposition": 1,
"ip_whitelist_entry": ""
}
}
}

Sample Queries

Gmail messages classifications
_sourceCategory=Labs/GmailTraceLogs
| json "event_info.success", "message_info.action_type", "message_info.attachment[*].file_extension_type", "message_info.attachment", "message_info.subject", "message_info.attachment[*].malware_family", "message_info.attachment[*].sha256", "message_info.connection_info.client_ip", "message_info.connection_info.ip_geo_city", "message_info.connection_info.ip_geo_country", "message_info.connection_info.is_internal", "message_info.connection_info.smtp_response_reason", "message_info.connection_info.smtp_reply_code", "message_info.connection_info.smtp_tls_state", "message_info.destination[*].address", "message_info.is_spam", "message_info.spam_info.classification_reason", "message_info.spam_info.disposition", "message_info.message_set[*].type", "message_info.source.address" as is_event_success, action_type, file_extension_type, message_attachment, message_subject, message_malware_family, message_sha256, client_ip, client_city, client_country, is_message_internal, smtp_response_reason, smtp_reply_code, smtp_tls_state, destination_email, is_spam, spam_classification_reason, spam_disposition, message_set_type, message_source_email nodrop
| parse regex field=message_set_type "(?<message_setType>[\w]+)" multi
| if(message_setType matches "6","Message triggered the walled garden rule you configured that restricts messages to authorized addresses or domains.",
if(message_setType matches "4","Message contains objectionable content, as defined by one of your policies.",
if(message_setType matches "61","Message was caught by Security sandbox.", "Other Type, Check message_set_type Field for more info."))) as message_set_type
| count by message_set_type
| sort by _count

Collecting Logs for Gmail Trace Logs app

This section provides instructions for setting up Cloud-to-Cloud-Integration for Gmail Trace Logs App to create the source and use the same source category while installing the app.

Installing the Gmail Trace Logs app

Locate and install the app from the App Catalog. If you want to see a preview of the dashboards included with the app before installing, click Preview Dashboards.

To install the app, follow the steps below:

  1. From the App Catalog, search for the app and select it.
  2. Select the version of the service you're using and click Add to Library.
note

Version selection is applicable only to a few apps currently. For details, see the Install the Apps from the Library.

  1. To install the app, enter the following fields.
    1. App Name. You can retain the existing name, or enter a name of your choice for the app.
    2. Data Source. Select either of these options for the data source:
      • Choose Source Category and then choose a source category from the list.
      • Select Enter a Custom Data Filter and type in a custom source category that starts with an underscore. For Example: _sourceCategory=MyCategory.
  2. Advanced. Select the Location in Library (the default is the Personal folder in the library), or click New Folder to add a new folder.
  3. Click Add to Library.

Once an app is installed, it will appear in your Personal folder, or other folder that you specified. You can share it with your organization.

The panels will begin to fill automatically. It's worth noting that each panel gradually fills with data that matches the time range query and has been received since the panel was created. The results will not be available right away, but with some patience, you will be able to view full graphs and maps.

Viewing Gmail Trace Logs Dashboards

All dashboard 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.

Security Overview Dashboard

Gmail Trace Logs - Security Overview. This dashboard lets you monitor spam messages, malware threats, dropped messages, and rejected messages.

Gmail Trace Logs Overview

CrowdStrike Analysis. To protect your organisation from threats, the app also scans the SHA256 hash of Gmail attachments with CrowdStrike's threat detection service.

Crowdstrike Analysis
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