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Crowdstrike module
editCrowdstrike module
editThis is the Filebeat module for CrowdStrike Falcon using the Falcon SIEM Connector. This module collects this data, converts it to ECS, and ingests it to view in the SIEM. By default, the Falcon SIEM connector outputs JSON formatted Falcon Streaming API event data.
This module segments events forwarded by the Falcon SIEM connector into two datasets for endpoint data and Falcon platform audit data.
When you run the module, it performs a few tasks under the hood:
- Sets the default paths to the log files (but don’t worry, you can override the defaults)
- Makes sure each multiline log event gets sent as a single event
- Uses ingest node to parse and process the log lines, shaping the data into a structure suitable for visualizing in Kibana
- Deploys dashboards for visualizing the log data
Read the quick start to learn how to configure and run modules.
Compatibility
editThis input supports Crowdstrike Falcon SIEM-Connector-v2.0.
Configure the module
editYou can further refine the behavior of the crowdstrike
module by specifying
variable settings in the
modules.d/crowdstrike.yml
file, or overriding settings at the command line.
Variable settings
editEach fileset has separate variable settings for configuring the behavior of the
module. If you don’t specify variable settings, the crowdstrike
module uses
the defaults.
For advanced use cases, you can also override input settings. See Override input settings.
When you specify a setting at the command line, remember to prefix the
setting with the module name, for example, crowdstrike.falcon_endpoint.var.paths
instead of falcon_endpoint.var.paths
.
falcon
fileset settings
editThe fileset is by default configured to collect JSON formated event data from /var/log/crowdstrike/falconhoseclient/output
. It forwards DetectionSummaryEvent and IncidentSummaryEvent events.
var: - name: paths default: - /var/log/crowdstrike/falconhoseclient/output
-
var.paths
-
An array of glob-based paths that specify where to look for the log files. All
patterns supported by Go Glob
are also supported here. For example, you can use wildcards to fetch all files
from a predefined level of subdirectories:
/path/to/log/*/*.log
. This fetches all.log
files from the subfolders of/path/to/log
. It does not fetch log files from the/path/to/log
folder itself. If this setting is left empty, Filebeat will choose log paths based on your operating system.
Dashboards
editThe best way to view CrowdStrike events and alert data is in the SIEM.

For alerts, go to Detections → External alerts.

And for all over event CrowdStrike Falcon event types, go to Host → Events.
Fields
editFor a description of each field in the module, see the exported fields section.
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