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splunk

SentinelOne App For Splunk

Splunk Cloud
Overview
Details
The SentinelOne App For Splunk allows a SentinelOne administrator or analyst to interact with the SentinelOne product.

SentinelOne Documentation

Overview

About SentinelOne

Author SentinelOne and Aplura, LLC.
App Version 5.1.6
App Build 0
Vendor Products SentinelOne Cloud
Has index-time operations false
Creates an index false
Implements summarization If configured, the Data model will generate accelerations.

SentinelOne allows a SentinelOne administrator or analyst interact with the SentinelOne product.

License

https://www.sentinelone.com/legal/terms-of-service/

Copyright 2020, Sentinel Labs, Inc.

Scripts and binaries

This app includes the following scripts:

Diag.py This is to assist in diag creation for support.
cim_actions.py Splunk Alert Actions Support script
s1_client.py Class to allow access to S1 in support of Mod inputs and Alert actions
s1_upgrader.py Modular input run on startup to check and upgrade the app.
sentinelone.py Modular Input script file.
AlertAction.py Helper file for Alert Actions
ModularInput.py Helper file for Modular Inputs
Utilities.py Helper file for Utilities
version.py Technical Version of the app.
sentinelone-network-control.py This is the script for the Network Control adaptive alert action.
sentinelone-threat-control.py This is the script for the Threat Control adaptive alert action.
sentinelone-cmd_agent_action.py This is the script for the Agent Control custom command.
sentinelone-cmd_threat_action.py This is the script for the Threat Control custom command.

Release notes

Version 5.1.6 of SentinelOne has the following known issues:

  • If the mgmt_sdk log outputs at any level, the search command will fail with Error in command: Invalid message received from external search command during search, see search.log.
    • This is only at the final phase of execution. The command most likely functions correctly prior to that.

Version 5.1.6

  • added field filtering to Modular Input

Version 5.1.5

  • hotfix to allow the IA/TA to have the correct logging configuration file

  • added field filtering to Modular Input

Version 5.1.4

  • updated Manage Agents to use correct agent id field, and better verbiage on errors.

  • increased base limit of api pulls to 1000 (200 for groups API)

  • added a Logging tab to enable log levels on configured items via UI.

  • removed guid from Modular Input logging file name.

Version 5.1.3

  • updated app.conf for simple trigger reloads

  • updated Application Configuration Page to correctly update API token

  • updated Application Configuration Page to simplify base index configuration

  • updated Diag collection to account for non-standard Splunk install locations

Version 5.1.2

  • Updated dashboards to be compliant with v1.1 SimpleXML and jquery 3.5

  • Better error management and reporting within modular inputs

  • Fixed Proxy issues with modular inputs

Version 5.1.0

  • New Features

    • Dashboard - Manage Agents Overview

    • Dashboard - Manage Threats Overview

    • Adaptive Alert - Network Control

    • Adaptive Alert - Threat Control

    • Custom Command - agentaction

    • Custom Command - threataction

Version 5.0.0

  • Initial Release
    • Supports Data ingest for Agents, Applications, Threats, Groups, and Activities

About this release

Version 5.1.6 of SentinelOne is compatible with:

Splunk Enterprise versions 8.0, 8.1, 8.2
Platforms Splunk Enterprise, Splunk Cloud

Support and resources

Questions and answers

Access questions and answers specific to SentinelOne at https://answers.splunk.com . Be sure to tag your question with the name of the app: SentinelOne.

Support

  • Support Email:
    ptr-svc-acct
    @sentinelone
    .com

  • Support Offered: Splunk Answers, Community Engagement, Email

Diagnostics Generation

If a support representative asks for it, a support diagnostic file can be generated. Use the following command to generate the file. Send the resulting file to support.

$SPLUNK_HOME/bin/splunk diag --collect=app:sentinelone_app_for_splunk

This file should be collected on the node/instance that is presenting with an issue. If a Heavy Forwarder is being used for inputs, but no data is being collected, perform the command on the Heavy Forwarder. If the alert actions or search commands are not working, run the diagnostic on the Search Head(s) in question.

Troubleshooting

This section provides some tips for troubleshooting the SentinelOne application.

  • Enable debug logging for modular inputs, alert actions, and custom commands

    • Copy default/log.cfg to local/log.cfg. Edit local/log.cfg and change the logging level for each component to DEBUG to get debugging messages

    • Specific logging names can be found using index=_internal action=logger_name

    • Examples

      [sentinelone_app_for_splunk] modularinput=DEBUG restclient=DEBUG utilities=DEBUG kenny_loggins=WARN sentinelone=DEBUG s1_client=DEBUG sentinelone-threat-control=DEBUG sentinelone-network-control=DEBUG sentinelone_cmd_threat_action=DEBUG

  • Application Configuration

    • If nothing appears under the Application Configuration header on the application configuration dashboard you can check for web page errors

      • Firefox: Tools, Web Developer, Web Developer Tools. Errors will display in the console tab

      • Chrome: Customize and control Google option (right hand corner of the address bar), More Tools, Developer Tools

  • Helpful searches

    • SentinelOne creates several log files that reside in $SPLUNK_HOME/var/log. These are indexed in to the Splunk environment in the _internal index. To view these log files you can run the following search:

      > index=_internal source="*sentinelone*"

    • The base index contains a sourcetype sentinelone:error that contains error information from the modular input and alert actions. This search will retrieve these logs:

      > eventtype=sentinelone_base_index sourcetype="*error*"

  • Common Issues

    • Some of the common issues include:

    • Proxy Error. Check that the proxy settings are correct.

      > index=_internal source="*sentinelone*" ProxyError

Installation and Configuration

Software requirements

Splunk Enterprise system requirements

Because this App runs on Splunk Enterprise, all of the Splunk Enterprise system requirements apply.

Download

Download SentinelOne at https://splunkbase.splunk.com/app/5433/.

Deployment Guide

Note: Installing the SentinelOne TA or IA on the same node as the App may result in instability or errors.

Configuration

Legacy Data

This extension introduces new sourcetypes that are more inline with best practices. If the extension is being upgraded from an exisiting version of the SentinelOne app, these instructions can be followed to allow overlap of the data sources. Each of the different sourcetype will follow the same procedure to enable searching on the old data, concurrent with the new data.

The steps are as follows, and should be done in local/eventtypes.conf:

  1. Update and enable the legacy index event type sentinelone_legacy_index with the index that contains the legacy data.

Agents

  1. Update and enable the sentinelone_legacy_agents event type.

  2. Add sentinelone_legacy_agents to the sentinelone_agents event type

    • eventtype IN (sentinelone_updated_agents, sentinelone_legacy_agents)

Threats

  1. Update and enable the sentinelone_legacy_threats event type.

  2. Add sentinelone_legacy_threats to the sentinelone_threats event type

    • eventtype IN (sentinelone_updated_threats, sentinelone_legacy_threats)

Activities

  1. Update and enable the sentinelone_legacy_activities event type.

  2. Add sentinelone_legacy_activities to the sentinelone_activities event type

    • eventtype IN (sentinelone_updated_activities, sentinelone_legacy_activities)

Groups

  1. Update and enable the sentinelone_legacy_groups event type.

  2. Add sentinelone_legacy_groups to the sentinelone_groups event type

    • eventtype IN (sentinelone_updated_groups, sentinelone_legacy_groups)

User Guide

Initial Application Configuration

SentinelOne is configured from the Application Configuration menu option under the Administration menu.

Macros

SentinelOne includes the following macros that control dashboard searches.

  • None

Dashboards

SentinelOne includes the following dashboards.

  • Application Configuration

    • Allows the Splunk admin to configure the inputs for ingestion.
  • Application Health Overview (under the Administration menu option)

    • Use this page to get health and status information about any alerts, events, or API errors. View total_failures, messages, and severity level for each instance.
  • Network

    • This dashboard shows Agent information by over time, as well as group information.
  • Threats

    • This dashboard gives an overview of threats information in the console.
  • Manage Agents Overview

    • This dashboard provides the ability to manage Sentinel agents.
  • Manage Threats Overview

    • This dashboard provides the ability to manage incidents/threats.

Saved Searches

SentinelOne includes the following saved searches. These searches need to be run in order to populate the management host and site name dropdowns on the dashboards. Fields from these lookups are also used in the dashboard panels.

  • sentinelone_groups_lookup_generation

    • Search for populating the groups lookup with site id and site name

    • This should be enabled prior to enabling the inputs

    • It may need to be run on a one-time basis over all time to do the initial import of groups.

  • sentinelone_lookup_generation

    • Search for populating the agents lookup

    • This should be enabled prior to enabling the inputs

    • It may need to be run on a one-time basis over all time to do the initial import of agents.

SentinelOne Inputs

SentinelOne includes the following channels for the SentinelOne inputs. Make sure the interval lengths are reviewed prior to enablement.

  • Applications

    • Interval : Recommended at no more than once per 3600 seconds. (1 Hour)
  • Groups

    • Interval : Recommended at no more than once per 86400 seconds. (1 Day)
  • Threats

    • Interval : Environment dependant. Smaller environments may be able to support 60 seconds (1 minute).
  • Agents

    • Interval : Recommended at no more than once per 86400 seconds. (1 Day)
  • Activities

    • Interval : Environment dependant. Smaller environments may be able to support 60 seconds (1 minute).

Input Field Filtering

SentinelOne includes the ability to include or exclude fields that should be included when retrieving SentinelOne Inputs. Field filtering is configured under the Application Configuration dashboard on the Fields tab. You may specify fields that should be included for a channel or fields that should be excluded for a channel. If no filtering is defined for a channel all fields will be included by default.

Adaptive Alert Actions

SentinelOne includes the following adaptive alert actions.

  • Network Control

    • Allows the Splunk admin to manage the network status for an agent.

    • Action

      • Connect or disconnect
    • Management Host

      • Connect or disconnect
    • Site ID

      • Site Id field
    • Agent ID

      • Agent Id field
  • Threat Control

    • Allows the Splunk admin to configure the incident status and analyst verdict for a threat.

    • Incident Status

      • Unresolved, In Progress, or Resolved

      • In order to set the incident status to resolved a verdict must be specified

    • Analyst Verdict

      • Undefined, True Positive, Suspicious, False Positive
    • Management Host

      • Connect or disconnect
    • Site ID

      • Site Id field
    • Threat ID

      • Threat Id field

Custom Commands

SentinelOne includes the following custom commands.

  • agentaction

    • Allows the Splunk admin to manage the network status for an agent.

    • action_type

      • Connect or disconnect
    • management

      • Connect or disconnect
    • site_id

      • Site Id field (defaults to siteId)
    • agent_id

      • Agent Id field (defaults to id)
    • Sample Usage

      • index=sentinelone sourcetype="sentinelone:channel:agents" | fields id siteId | eval siteId=siteId."", management="testhost.sentinelone.net" | stats values(*) as * by id | sentineloneagentaction action_type=connect
  • threataction

    • Allows the Splunk admin to configure the incident status and analyst verdict for a threat.

    • status

      • Incident status

      • Unresolved, In Progress, or Resolved

      • In order to set the incident status to resolved a verdict must be specified

    • verdict

      • Undefined, True Positive, Suspicious, False Positive
    • management

      • Connect or disconnect
    • site_id

      • Site Id field (defaults to siteId)
    • threat_id

      • Threat Id field (defaults to id)
    • Sample Usage

      • index=sentinelone sourcetype="sentinelone:channel:threats" | fields id siteId | eval siteId=siteId."", management="testhost.sentinelone.net" | stats values(*) as * by id | sentinelonethreataction status=resolved verdict=false_positive

Monitoring Console Health Checks

SentinelOne includes the following health checks in the Monitoring Console health check list(default/checklist.conf).

  • SentinelOne_HealthCheck
    • Provides basic Yes/No if there is SentinelOne data present.

Lookups

The SentinelOne contains the following lookup files.

  • None

Event Generator

SentinelOne does not include an event generator.

Acceleration

  1. Summary Indexing: No

  2. Data Model Acceleration: No

  3. Report Acceleration: No

Upgrader

SentinelOne includes an updater to assist in upgrades to the app. It is a modular input with stanza s1_upgrader://DF945543-967A-4488-975E-757F4D5E2B41.

Third Party Notices

Version 5.1.6 of SentinelOne incorporates the following Third-party software or third-party services.

SentinelOne

Navigation

Related Topics

Release Notes

Version 5.1.6
July 11, 2022

Added field filtering to data ingestion

Version 5.1.5
May 13, 2022
  • Added apl_logging configuration file to drive the logging tab for the TA/IA add ons.
Version 5.1.4
May 9, 2022
  • updated Manage Agents to use correct agent id field, and better verbiage on errors.
  • increased base limit of api pulls to 1000 (200 for groups API)
  • added a Logging tab to enable log levels on configured items via UI.
  • removed guid from Modular Input logging file name.
Version 5.1.3
Jan. 25, 2022
  • updated app.conf for simple trigger reloads
  • updated Application Configuration Page to correctly update API token
  • updated Application Configuration Page to simplify base index configuration
  • updated Diag collection to account for non-standard Splunk install locations
Version 5.1.2
Aug. 31, 2021

Updated proxy setting configurations to support multiple proxy types. Updated dashboards for jQuery 3.5 compatibility requirements.


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