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Sumo Logic

Crowdstrike FDR Source

The CrowdStrike Falcon Data Replicator (FDR) Source provides a secure endpoint to ingest Falcon Data Replicator events using the S3 ingestion capability by consumed SQS notifications of new S3 objects. It securely stores the required authentication, scheduling, and state tracking information.

This Source is not available in the Fed deployment.

Historical data

If you have already enabled Crowdstrike FDR you can have a queue of up to seven days worth of data.
This historical data is ingested by the CrowdStrike FDR Source. This can be avoided by not enabling FDR in the Crowdstrike portal until you're ready to configure the Crowdstrike FDR Source. If you have enabled FDR and do not want to ingest the historical data, contact Customer Support for guidance.

States

A CrowdStrike FDR Source tracks errors, reports its health, and start-up progress. You’re informed, in real-time, if the Source is having trouble connecting, if there's an error requiring user action, or if it is healthy and collecting by utilizing Health Events.

A CrowdStrike FDR Source goes through the following states when created:

  1. Pending: Once the Source is submitted it is validated, stored, and placed in a Pending state.
  2. Started: A collection task is created on the Hosted Collector.
  3. Initialized: The task configuration is complete in Sumo Logic.
  4. Authenticated: The Source successfully authenticated with CrowdStrike.
  5. Collecting: The Source is actively collecting data from CrowdStrike.

If the Source has any issues during any one of these states it is placed in an Error state.

When you delete the Source it is placed in a Stopping state, when it has successfully stopped it is deleted from your Hosted Collector.

On the Collection page, the Health and Status for Sources is displayed. Use Health Events to investigate issues with collection.

crowdstrike error.png

Hover your mouse over the status icon to view a tooltip with details on the detected issue.

health error generic.png

Prerequisite

You must contact the CrowdStrike support team to enable CrowdStrike FDR. If it's not enabled, your requests will receive HTTP 500 responses.

Authentication

Once enabled, in the CrowdStrike console, navigate to Support > API Clients and Keys. You need to Create new credentials to copy the AWS Access Key IDAWS Secret Access Key, and SQS Queue URL to provide to Sumo Logic when creating your CrowdStrike FDR Source.

Create a CrowdStrike FDR Source

When you create a CrowdStrike FDR Source, you add it to a Hosted Collector. Before creating the Source, identify the Hosted Collector you want to use or create a new Hosted Collector. For instructions, see Configure a Hosted Collector.

To configure a CrowdStrike FDR Source:

  1. In the Sumo Logic web app, select Manage Data > Collection > Collection
  1. On the Collectors page, click Add Source next to a Hosted Collector.
  1. Select CrowdStrike FDR.
    CrowdStrike FDR icon.png
  1. Enter a Name for the Source. The description is optional.
    CrowdStrike FDR create input.png
  1. (Optional) For Source Category, enter any string to tag the output collected from the Source. Category metadata is stored in a searchable field called _sourceCategory.
  2. Forward to SIEM. Check the checkbox to forward your data to Cloud SIEM Enterprise. When configured with the Forward to SIEM option no fields are set.
  3. (Optional) Fields. Click the +Add link to add custom log metadata Fields.
    • Define the fields you want to associate, each field needs a name (key) and value. 
      • green check circle.png A green circle with a check mark is shown when the field exists and is enabled in the Fields table schema.
      • orange exclamation point.png An orange triangle with an exclamation point is shown when the field doesn't exist, or is disabled, in the Fields table schema. In this case, an option to automatically add or enable the nonexistent fields to the Fields table schema is provided. If a field is sent to Sumo that does not exist in the Fields schema or is disabled it is ignored, known as dropped.
  4. AWS Access Key ID: Provide your AWS Access Key ID you copied from CrowdStrike, see the Prerequisite.

  5. AWS Secret Access Key: Provide your AWS Secret Access Key you copied from CrowdStrike, see the Prerequisite.

  6. SQS Queue URL. Provide your SQS Queue URL you copied from CrowdStrike, see the Prerequisite.

  7. S3 Region. Select the S3 Region your data is in, this normally is the same region specified in the SQS Queue.

  8. When you are finished configuring the Source click Submit.

Error types

When Sumo Logic detects an issue it is tracked by Health Events. The following table shows the three possible error types, the reason the error would occur, if the Source attempts to retry, and the name of the event log in the Health Event Index.

Type Reason Retries Retry Behavior Health Event Name
ThirdPartyConfig Normally due to an invalid configuration. You'll need to review your Source configuration and make an update. No retries are attempted until the Source is updated. Not applicable ThirdPartyConfigError
ThirdPartyGeneric Normally due to an error communicating with the third party service APIs. Yes The Source will retry for up to 90 minutes, after which retries will be attempted every 60 minutes. ThirdPartyGenericError
FirstPartyGeneric Normally due to an error communicating with the internal Sumo Logic APIs. Yes The Source will retry for up to 90 minutes, after which retries will be attempted every 60 minutes. FirstPartyGenericError

JSON configuration 

Sources can be configured using UTF-8 encoded JSON files with the Collector Management API. See how to use JSON to configure Sources for details. 

Parameter Type Required? Description Access
config JSON Object Yes Contains the configuration parameters for the Source.  
schemaRef JSON Object Yes Use {"type":"Crowdstrike FDR"} for a CrowdStrike FDR Source. not modifiable
sourceType String Yes Use Universal for a CrowdStrike FDR Source. not modifiable

The following table shows the config parameters for a CrowdStrike FDR Source.

Parameter Type Required? Default Description Access
name String Yes   Type a desired name of the Source. The name must be unique per Collector. This value is assigned to the metadata field _source. modifiable
description String No null Type a description of the Source. modifiable
category String No null Type a category of the source. This value is assigned to the metadata field _sourceCategory. See best practices for details. modifiable
fields JSON
Object
No   JSON map of key-value fields (metadata) to apply to the Collector or Source.

Use the boolean field _siemForward to enable forwarding to SIEM.
modifiable
secretAccessKey String Yes   The AWS Secret Access Key you got from CrowdStrike, modifiable
SqsQueueURL String Yes   The SQS Queue URL you got from CrowdStrike. modifiable
accessKeyId String Yes   The AWS Access Key ID you got from CrowdStrike. modifiable
s3Region String Yes other The S3 Region your data is in. modifiable

CrowdStrike FDR Source JSON example:

{
  "api.version":"v1",
  "source":{
    "schemaRef":{
      "type":"Crowdstrike FDR"
    },
    "config":{
      "automaticDateParsing":true,
      "name":"FDR test",
      "forceTimeZone":false,
      "description":"Example config",
      "secretAccessKey":"********",
      "SqsQueueURL":"https://sqs.us-west-1.amazonaws.com/***/***",
      "multilineEnabled":false,
      "accessKeyId":"********",
      "fields":{
        "_siemForward":false
      },
      "category":"Sumo/FDR",
      "timestampFormatAutoDetection":false,
      "s3Region":"us-west-1",
      "useAutolineMatching":true
    },
    "state":{
      "state":"Collecting"
    },
    "sourceType":"Universal"
  }
}