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CrowdStrike FalconPy

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FalconPy - The CrowdStrike Falcon SDK for Python

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The FalconPy SDK contains a collection of Python classes that abstract CrowdStrike Falcon OAuth2 API interaction, removing duplicative code and allowing developers to focus on just the logic of their solution requirements.

Overview πŸ”Ž

There are many CrowdStrike Falcon API service collections collectively containing hundreds of individual operations, all of which are accessible to your project via FalconPy.

The CrowdStrike Falcon SDK for Python completely abstracts token management, while also supporting interaction with all CrowdStrike regions, custom connection and response timeouts, routing requests through a list of proxies, disabling SSL verification, and custom header configuration.

If the CrowdStrike APIs were rings of great power, that the Dark Lord Sauron gifted to the kings of dwarves, elves and men, then CrowdStrike's FalconPy would be the One Ring.

"One SDK to rule them all, One SDK to find them, One SDK to bring them all and in the darkness bind them."

Downloads Development Installs

Supported versions of Python

The CrowdStrike Falcon SDK for Python was developed for Python 3, and does not support versions of Python below 3.6. Every commit to the FalconPy code base is unit tested for functionality using all versions of Python the library currently supports.

While Python 3.5 should not have problems running FalconPy, as of February 2021 this version is no longer analyzed as part of our unit testing.

PyPI - Implementation PyPI - Wheel PyPI - Python Version

Supported Operating Systems

The FalconPy SDK is unit tested on the following operating systems.

macOS Ubuntu Windows

FalconPy will also run on any of the following operating systems.

Amazon Linux CentOS Fedora RedHat Arch

Debian Kali Pop! OS SUSE openSUSE

Details regarding supported operating systems and Python versions, and project security and testing procedures can be found here.

Components

The FalconPy SDK provides two distinct methods for interacting with CrowdStrike's API.

Service Classes The Uber Class

Service Classes
The Uber Class
Each Service Class represents a single CrowdStrike API service collection providing an interface to the operations available within that service collection. An all-in-one class that provides a singular interface for all operations in every CrowdStrike API service collection.

Service Classes

Representing a single CrowdStrike Falcon API service collection, each Service Class has a method defined for every operation available within that service collection.

Available Service Classes

For each CrowdStrike Falcon API service collection, a matching Service Class is available in the FalconPy library.

Service Collection Code Location Class Name
Alerts alerts.py Alerts
Device Control device_control_policies.py DeviceControlPolicies
Custom Indicators of Attack (IOAs) custom_ioa.py
ioa_exclusions.py
CustomIOA
IOAExclusions
Detections detects.py Detects
Falcon Discover cloud_connect_aws.py
d4c_registration.py
discover.py
CloudConnectAWS
D4CRegistration
Discover
Event Streams event_streams.py EventStreams
Falcon Container falcon_container.py FalconContainer
Falcon Horizon cspm_registration.py CSPMRegistration
FileVantage filevantage.py FileVantage
Firewall Management firewall_management.py FirewallManagement
Firewall Policy Management firewall_policies.py FirewallPolicies
Falcon Complete Dashboard falcon_complete_dashboard.py FalconCompleteDashboard
Falcon Flight Control mssp.py FlightControl
Host Groups host_group.py HostGroup
Hosts hosts.py Hosts
Incident and Detection Monitoring incidents.py Incidents
Identity Protections identity_protection.py IdentityProtection
Installation Tokens installation_tokens.py InstallationTokens
Kubernetes Protection kubernetes_protection.py KubernetesProtection
Message Center message_center.py MessageCenter
ML Exclusions ml_exclusions.py MLExclusions
Mobile Enrollment mobile_enrollment.py Mobile Enrollment
OAuth2 Authentication oauth2.py OAuth2
Overwatch Dashboard overwatch_dashboard.py OverwatchDashboard
Prevention Policy prevention_policy.py PreventionPolicy
Quarantine quarantine.py Quarantine
Real Time Response (RTR) real_time_response.py
real_time_response_admin.py
RealTimeResponse
RealTimeResponseAdmin
Real Time Response (RTR) Policies response_policies.py ResponsePolicies
Report Executions report_executions.py ReportExecutions
Scheduled Reports scheduled_reports.py ScheduledReports
Sensor Download sensor_download.py SensorDownload
Sensor Visibility Exclusions sensor_visibility_exclusions.py SensorVisibilityExclusions
Sensor Update Policy Management sensor_update_policy.py SensorUpdatePolicy
Spotlight spotlight_evaluation_logic.py
spotlight_vulnerabilities.py
SpotlightEvaluationLogic
SpotlightVulnerabilities
Falcon Intelligence falconx_sandbox.py
intel.py
ioc.py
iocs.py Deprecated
malquery.py
quick_scan.py
recon.py
sample_uploads.py
FalconXSandbox
Intel
IOC
Iocs
MalQuery
QuickScan
Recon
SampleUploads
User and Roles user_management.py UserManagement
Falcon Zero Trust Assessment zero_trust_assessment.py ZeroTrustAssessment

Service Class benefits

  • Closely follows Python and OpenAPI best practice for code style and syntax. PEP-8 compliant.
  • Completely abstracts token management, automatically refreshing your token when it expires.
  • Provides simple programmatic patterns for interacting with CrowdStrike Falcon APIs.
  • Supports cloud region autodiscovery for the CrowdStrike US-1, US-2 and EU-1 regions.
  • Supports dynamic configuration based upon the needs of your environment.
  • Supports CrowdStrike Falcon API parameter abstraction functionality.
  • Supports CrowdStrike Falcon API body payload abstraction functionality.

The Uber Class

Operating as a single harness for interacting with the entire CrowdStrike Falcon API, the Uber Class can access every available operation within every API service collection.

Code Location
api_complete.py The Uber Class provides an interface to all CrowdStrike APIs with a single handler. This solution supports communicating with API endpoints that do not have an available Service Class or are recently released.

Uber Class benefits

  • Access every CrowdStrike Falcon API service collection with only one import and only one class.
  • Completely abstracts token management, automatically refreshing your token when it expires.
  • Interact with newly released API operations not yet available in the library via the override keyword.
  • Provides simple programmatic patterns for interacting with CrowdStrike Falcon APIs.
  • Supports cloud region autodiscovery for the CrowdStrike US-1, US-2 and EU-1 regions.
  • Supports CrowdStrike Falcon API parameter abstraction functionality.
  • Supports all environment configuration options supported by FalconPy Service Classes.

Comparing FalconPy class types

While the usage syntax varies slightly, the Uber Class provides the same performance and output as FalconPy Service Classes, and can perform all of the same operations. The Uber Class does not support body payload abstraction but does provide unique override functionality that is not available when you are using Service Classes.

CrowdStrike Divider

Quick Start πŸ’«

Stable releases of FalconPy are available on the Python Package Index. In a terminal, execute the following command:

python3 -m pip install crowdstrike-falconpy

Once installed, you can immediately begin using CrowdStrike functionality in your Python projects.

"""CrowdStrike FalconPy Quick Start."""
import os
from falconpy import Hosts

# Use the API Clients and Keys page within your Falcon console to generate credentials.
# You will need to assign the Hosts: READ scope to your client to run this example.

# CrowdStrike does not recommend you hardcode credentials within source code.
# Instead, provide these values as variables that are retrieved from the environment,
# read from an encrypted file or secrets store, provided at runtime, etc.
# This example retrieves credentials from the environment as the variables
# "FALCON_CLIENT_ID" and "FALCON_CLIENT_SECRET".

hosts = Hosts(client_id=os.getenv("FALCON_CLIENT_ID"),
              client_secret=os.getenv("FALCON_CLIENT_SECRET")
              )

SEARCH_FILTER = "hostname-search-string"

# Retrieve a list of hosts that have a hostname that matches our search filter
hosts_search_result = hosts.query_devices_by_filter(filter=f"hostname:*'*{SEARCH_FILTER}*'")

# Confirm we received a success response back from the CrowdStrike API
if hosts_search_result["status_code"] == 200:
    hosts_found = hosts_search_result["body"]["resources"]
    # Confirm our search produced results
    if hosts_found:
        # Retrieve the details for all matches
        hosts_detail = hosts.get_device_details(ids=hosts_found)["body"]["resources"]
        for detail in hosts_detail:
            # Display the AID and hostname for this match
            aid = detail["device_id"]
            hostname = detail["hostname"]
            print(f"{hostname} ({aid})")
    else:
        print("No hosts found matching that hostname within your Falcon tenant.")
else:
    # Retrieve the details of the error response
    error_detail = hosts_search_result["body"]["errors"]
    for error in error_detail:
        # Display the API error detail
        error_code = error["code"]
        error_message = error["message"]
        print(f"[Error {error_code}] {error_message}")

More samples

If you are interested in reviewing more examples of FalconPy usage, this repository also maintains a collection of samples to help get you started with integrating CrowdStrike Falcon into your DevOps processes.

Documentation and Support πŸ“–

FalconPy is a community-driven open source project designed to assist developers with implementing CrowdStrike's APIs within their applications, and is not a formal CrowdStrike product. As such it carries no formal support, expressed or implied.

Official Project Documentation: falconpy.io

Website Documentation Version

Extended documentation is also available via the wiki for this repository.

Issues and Questions

Is something going wrong? πŸ”₯

GitHub Issues are used to report bugs and errors.

Report Issue

Have a question you can't find answered in the documentation?

Please submit usage questions to the Q&A section of our discussion board.

Discussions

Community forums

The discussion board for this repository also provides the community with means to communicate regarding enhancements ideas, integration examples and new releases.

Discussions

Additional content

The following materials have been produced by the maintainers and members of the community regarding FalconPy.

Content Description
API Office Hour 03.23.21 API Office Hour 03-23-21
Presentation deck used to discuss FalconPy functionality, structure and roadmap for a virtual API office hour event in March 2021.
Fal.Con 2021 Fal.Con 2021
Virtual presentation given by @jshcodes at Fal.Con 2021. Focused on basic functionality and usage, existing integrations that leverage FalconPy, available library documentation, and the FalconPy community.

More information regarding FalconPy documentation and support can be found here.

Contribute to FalconPy β˜•

Interested in being acknowledged as a member of an elite community of security-focused Python developers that stop breaches?

There are many ways you can contribute to the FalconPy project!

Providing feedback by opening a GitHub ticket. Even a fly-by "hey, this worked..." is appreciated and helps validate approaches. Ideas on improving the project are most welcome.

Documenting, blogging, or creating videos, of how you've used FalconPy! This type of content is invaluable and helps our community grow. Open a pull request for inclusion in the Additional content section of this page.

Fix a bug or implement a new feature. Check out our open issues on GitHub or our discussion board for inspiration.

Review pull requests by going through the queue of open pull requests on GitHub and giving feedback to the authors.

To get started, review the Code of Conduct for community guidelines, and the contribution guide for more detail regarding contributing to the CrowdStrike FalconPy project.



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