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Mandiant Advantage App for Splunk

Splunk Cloud
Overview
Details
The Mandiant Advantage App for Splunk allows users to pull in threat intelligence from Mandiant and expertise into Splunk’s powerful data platform to stay ahead of attackers and threats. This app provides users a formidable combination of Splunk Enterprise Security’s (ES) powerful analytics, Splunk SOAR’s automation and massive scale along with Mandiant’s industry-leading threat intelligence, security validation and incident response.

Splunk ingests Mandiant intelligence and information, performs correlation and analysis, and provides dashboards for visualization. The Mandiant Advantage App for Splunk allows organizations to validate if their security controls are operating properly and if Notable Events are flowing into their Splunk ES system as expected. This empowers security teams to rapidly detect and respond to attacks.

Mandiant is on a mission to make every organization secure from cyber threats and confident in their readiness by delivering dynamic cyber defense solutions. When combined, Splunk and Mandiant enable Splunk security professionals to validate their security stack and analyze security events through the eyes of Mandiant cyber security experts.


How Organizations Can Maximize Mandiant Advantage with Splunk:

- Mandiant Threat Intelligence, coupled with Splunk Enterprise and Splunk Enterprise Security, delivers the latest threat research directly to the SOC, allowing security teams to quickly see and detect real-time adversary activity. This information empowers organizations to better understand the adversary and their tactics so they can make informed decisions and take decisive action. Freemium intelligence feeds provide insights into well-known malicious actors, malware families, and maps to MITRE ATT&CK for strategic response.

- Mandiant Security Validation, coupled with Splunk Enterprise and Splunk Enterprise Security, allows customers to gain confidence in their readiness to withstand cyber-attacks. While Mandiant tests the efficacy of control points to block attacks, it also validates that event information is being sent to Splunk Enterprise and triggering alerts in Splunk Enterprise Security. With Mandiant and Splunk continuously validating the effectiveness of their cybersecurity controls, customers will have real data on how security controls are performing, allowing them to optimize their environments and make the right investments for the future.

- In the face of a suspected or active breach, customers can use the integration between Mandiant Incident Response, Splunk Enterprise and Splunk Enterprise Security to engage with Mandiant Intelligence experts with the click of a button. This can help customers build their incident response capabilities, respond to active breaches, and bolster their security operations to detect and respond to attacks in the future.

Mandiant Advantage App For Splunk

OVERVIEW

The Mandiant Advantage App For Splunk pulls Mandiant Threat Intelligence and Security Validation data from the Mandiant platform, performs correlation and provides dashboards for visualization.

Compatibility Matrix

  • Splunk version: 8.0.x , 8.1.x and 8.2.x
  • Python version: Python3
  • OS Support: Linux (Centos, Ubuntu) and Windows
  • Browser Support: Chrome and Firefox

Prerequisites

RECOMMENDED SYSTEM CONFIGURATION

INSTALLATION

Mandiant Advantage App For Splunk can be installed through UI as shown below. Alternatively, .tar or .spl file can also be extracted directly into $SPLUNK_HOME/etc/apps/ folder.

  1. Log in to Splunk Web and navigate to Apps > Manage Apps.
  2. Click Install app from file.
  3. Click Choose file and select the TA-mandiant-advantage installation file.
  4. Click on Upload.
  5. Restart Splunk if prompted.

TOPOLOGY AND SETTING UP SPLUNK ENVIRONMENT

This App can be set up in two ways:

  1. Standalone Mode
    • Install the Mandiant Advantage App For Splunk.
    • Follow all the steps mentioned in App Setup section to configure the App.
  2. Distributed Environment
    • Install the Mandiant Advantage App For Splunk on the Search Head and Heavy Forwarder.
    • Follow the steps #1, #2 and #4 from App Setup section on Heavy Forwarder.
    • Follow the steps #3 and #5 from App Setup section on Search Head.

NOTE : For the distributed environment, only indexes of the Forwarder would be shown in the input configuration page.

CONFIGURATION

Configure Mandiant Advantage App For Splunk:

App Setup

  1. Configure the account from which the data needs to be collected. Detailed steps and information for Account Configuration can be found in Account section. Users can configure two types of account for collecting data from Mandiant Platform:
    • Mandiant Advantage
    • Mandiant Validation
  2. Users can also configure settings corresponding to the Proxy or Logging in their respective sections.
  3. Configure the settings related to dashboards in Dashboard Settings section.
  4. After the configuration of Dashboard Settings, users can configure the inputs by specifying the required parameters. The App supports two types of inputs:
    • Mandiant Threat Intelligence: Can be used for collecting data of Indicators. Details can be found under Mandiant Threat Intelligence Input section.
    • Mandiant Security Validation: Can be used for collecting data corresponding to Security Validation Jobs. Details can be found under Mandiant Security Validation Input section.
  5. Configure the settings related to correlation searches and lookups in Mandiant Advantage Correlation Settings section.

NOTE : There might be some delay for the dashboards corresponding to Threat Intelligence to populate, as these dashboards are based on savedsearches.

Account

To configure the Account,

  1. Navigate to the Setup-> Configuration.
  2. Provide your Mandiant credentials and click on Add.
Mandiant Account parameters Mandatory or Optional Description
Account name Mandatory Name of the account
Mandiant Advantage Account Mandatory Type of the account for two different inputs: 1. Mandiant Advantage 2. Mandiant Validation
API Key Public Mandatory API Key Public provided by the Mandiant (Indicator Input)
API Key Secret Mandatory API Key Secret provided by the Mandiant (Indicator Input)
Endpoint URL Mandatory Endpoint URL without "HTTP://" or "HTTPS://" (Validation Input. Disabled for Mandiant Advantage Account.)
API Token Mandatory API Token provided by the Mandiant (Validation Input)
API Version Mandatory API version of the Mandiant Validation endpoint (Validation Input)
Verify SSL Certificate Optional Specify whether API calls should be validated with certificates or not (Validation Input)

Proxy

To configure the Proxy,

  1. Navigate to the Setup-> Configuration.
  2. Click on the Proxy tab.
  3. Provide your Proxy credentials and click on Save.
Proxy Parameters Mandatory or Optional Description
Enable Optional To enable or disable the proxy
Proxy Type Mandatory Select proxy type that you want to use from the dropdown (supports HTTP/SOCK4/SOCK5)
Proxy Host Mandatory Host or IP of the proxy server
Proxy Port Mandatory Port for proxy server
Proxy Username Optional Username of the proxy server
Proxy Password Optional Password of the proxy server

Logging

To configure the Logging,

  1. Navigate to the Setup-> Configuration.
  2. Click on the Logging tab.
  3. Select the log level from the dropdown and click on Save.

Inputs

To configure the Inputs,

  1. Navigate to the Setup-> Inputs.
  2. Click on Create New Input, one dropdown will open with options:
    • Mandiant Threat Intelligence
    • Mandiant Security Validation
  3. Select an option and the pop-up will open accordingly.
  4. Provide the required information related to input and click on Add to configure the input. Field descriptions are as below:

Mandiant Threat Intelligence Input

Input Parameter Mandatory or Optional Desciption
Name Mandatory A name to uniquely identify the input
Interval Mandatory Interval in seconds
Index Mandatory Index in which the data needs to be stored
Mandiant Advantage Account Mandatory Select Mandiant account for the given Input
Indicator Time Window Optional Indicators will be collected since the mentioned days from Mandiant. Start date will be calculated based on the current UTC time. Default will be 30 days
M-Score Optional The events that have M-score greater than and equal to given value is fetched

NOTE : On editing Mandiant Threat Intelligence Input, if user changes Indicator Time Window or M-Score parameter, then lookup holding the indicators data will be cleared and new data will be added to the lookup with the updated parameters.

Mandiant Security Validation Reporting Input

Input Parameter Mandatory or Optional Desciption
Name Mandatory A name to uniquely identify the input
Interval Mandatory Interval in seconds
Index Mandatory Index in which the data needs to be stored
Mandiant Advantage Account Mandatory Select Mandiant account for the given Input
Delay (In Minutes) Mandatory The amount of time to wait for MSV to retrieve correlation and integration events

NOTE : If multiple inputs are created with overlapping configurations, there will be duplicate Events in Splunk.

Dashboard Settings

To configure the Dashboard settings,

  1. Navigate to the Setup-> Configuration -> Dashboard Settings.
  2. Configure the required parameters on the Dashboard Settings tab and click on Save.
Input Parameter Mandatory or Optional Desciption
Validation Jobs Indices Mandatory Dashboards of Mandiant Security Validation Reporting will search from the specified comma-separated indices
Indicator Indices Mandatory Master lookup for indicators will be updated based on the indicators data in the specified comma-separated indices
Target Indices for Indicator Mandatory Events in the mentioned comma-separated indices will be searched on drill-down of matched indicators of the Correlation Details dashboard

Mandiant Advantage Correlation Settings

To configure the Correlation settings

  1. Navigate to the Setup-> Configuration -> Mandiant Advantage Correlation Settings.
  2. Configure the required parameters on the Mandiant Advantage Correlation Settings tab and click on Save.
Correlation parameters Mandatory or Optional Description
Enable Correlation Mandatory Selecting this checkbox will enable saved searches for correlation.
Indicator Time Window Mandatory The number of days until which a particular indicator will be preserved in lookup. After specified days, the Indicator will be removed from the lookup based on last_seen field value. Removal process will be triggered every midnight.
Data Models Mandatory Saved searches corresponding to the selected data models will be executed for correlation.
Accelerated Search Optional Accelerated searches will be enabled if this flag is checked. This flag is only recommended to user if all the selected CIM data models are accelerated.

NOTE : It is recommended to select maximum 5 data models as corresponding searches might require substantial CPU and memory. Saved searches might be skipped based on the type of Splunk deployment and its hardware specification.

SAVEDSEARCHES

This application contains the following saved searches:

  • mandiant_update_master_lookup_from_index - Update Indicators data (aggregated by value) from index to mandiant_master_lookup.
  • mandiant_retire_indicators - Delete Mandiant indicators that are older than configured days.
  • mandiant_indicator_total_count - Collect the statistics of the total Indicators.
  • mandiant_indicator_last_day - Collect the statistics of the Indicators from the last day.
  • mandiant_indicator_last_week - Collect the statistics of the Indicators from the last week.
  • mandiant_indicator_timechart_last_day - Collect the statistics of the Indicators per type from the last day.
  • mandiant_matched_indicator_data_today - Collect the Indicators information which got matched that day.
  • mandiant_matched_indicator_data - Collect the matched Indicators information.
  • Threat - Mandiant Notable Events for Indicators - Rule - Generate Notable Events for new sightings found between Mandiant Indicators and Splunk.

User can view the result of last execution of savedsearch by clicking on View Recent button for the particular savedsearch on the Searches, Reports, and Alerts tab on Splunk

LOOKUPS

  • mandiant_master_lookup: This lookup contains the Mandiant indicator data.
  • mandiant_matched_lookup: This lookup contains the matched indicator data.

User can check data in lookup by running following SPL query in Splunk search: | inputlookup <NAME OF LOOKUP>

SEARCH

  • To see ingested data for Mandiant Threat Intelligence, select the Search tab. Search `mandiant_indicator_indices` sourcetype="mandiant:advantage:indicators".
  • To see ingested data for Security Validation, select the Search tab. Search `mandiant_validation_indices` sourcetype="mandiant:advantage:reporting_data".

OPEN SOURCE COMPONENTS AND LICENSES

Some of the components included in "Mandiant Advantage App For Splunk" are licensed under free or open source licenses. We wish to thank the contributors to those projects.

UNINSTALL & CLEANUP STEPS

  • Remove $SPLUNK_HOME/etc/apps/TA-mandiant-advantage
  • Remove $SPLUNK_HOME/var/log/Splunk/ta_mandiant_.log*.
  • To reflect the cleanup changes in UI, Restart Splunk Enterprise instance

TROUBLESHOOTING

General Checks

  • To troubleshoot Mandiant Advantage App For Splunk, check $SPLUNK_HOME/var/log/Splunk/ta_mandiant_advantage*.log or user can search index="_internal" source=*ta_mandiant_advantage*.log query to see all the logs in UI. Also, user can use index="_internal" source=*ta_mandiant_advantage*.log ERROR query to see ERROR logs in the Splunk UI.
  • Note that all log files of this App will be generated in $SPLUNK_HOME/var/log/Splunk/ directory.
  • If you notice that for a given time range, data of some Indicators is present in the index but not in mandiant_master_lookup then run the mandiant_update_master_lookup_from_index savedsearch in that time range.
  • If you notice no data is populated in security validation dashboards then ensure that macro mandiant_validation_indices has the correct indices mentioned in Dashboard Settings.
  • App icons are not showing up: The App does not require restart after the installation in order for all functionalities to work. However, the icons will be visible after one Splunk restart post installation.
  • If you face any issue with the form after clicking Report an Incident button, try in incognito mode or clear the browser cache.

Data Collection

  • If data collection is not working then ensure that the internet is active (On a proxy machine, if proxy is enabled) and also ensure that the kvstore is enabled.
  • Check ta_mandiant_advantage_mandiant_advantage_indicators.log file for Mandiant Threat Intelligence and ta_mandiant_advantage_mandiant_security_validation_reporting.log file for Mandiant Security Validation for any relevant error messages.

Correlation

Master Lookup

  • If it seems that all the data of indicators from the Splunk index is not available in mandiant_master_lookup, then execute the savedsearch mandiant_update_master_lookup_from_index manually over a larger time range to refill the lookup.

Custom Command

  • Check that indices of the collected Indicators data are stored in Indicator Indices parameter of dashboard settings.
  • Check that mandiant_master_lookup or mandiant_matched_lookup is not empty and also ensure that mandiant_update_master_lookup_from_index is enabled.
  • Check if user is using accelerated searches then all the selected datamodels must be accelerated.
  • Check ta_mandiant_advantage_mandiantmatchindicators.log file for further analysis.

Retiring Policy

  • Check that the mandiant_retire_indicators savedsearch is enabled.
  • Check ta_mandiant_advantage_mandiantretireindicators.log file for further analysis.

Dashboards

  • Panel not populating:

    1. Mandiant Overview Dashboard:
      • Indicator Dashboard Panels:
        1. Single value panels based on Severity
        2. Matched Indicators Today
        3. Mandiant Notable Events Today
        4. Top 10 Matched Malware Families Today
        5. Top 10 Matched Threat Actor Families Today
        6. Map View for Matched Indicators by Value
      • If the data is not populated in the above listed panels, then ensure that Indicator data is collected in Splunk and the mandiant_master_lookup is filled with the latest data. If data is not collected in mandiant_master_lookup then run the mandiant_update_master_lookup_from_index savedsearch.
      • Also update the indices on dashboard settings in Indicator Indices from which user wants to fill mandiant_master_lookup.
      • Also please ensure that savedsearches mandiant_indicator_total_count and mandiant_matched_indicator_data_today are enabled.
      • Security Validation Panels
        1. Mitre ATT&CK Overview
        2. Single value panels based on job status.
        3. Trending Blocked, Detected and Missed Jobs
      • If the data is not populated in the above listed panels, then please ensure that Validation data is collected in Splunk and the indices is updated on the dashboard settings in Validation Jobs Indices.
    2. Threat Intelligence Dashboards:
      • Dashboards For indicators data are:
        1. Threat Intelligence Overview
        2. Correlation Details
        3. Correlation Overview
      • If the data is not populated in the above listed panels, then ensure that Indicator data is collected in Splunk and the mandiant_master_lookup is filled with the latest data. If data is not collected in mandiant_master_lookup then run the mandiant_update_master_lookup_from_index savedsearches.
      • Also update the indices on dashboard settings in Indicator Indices from which user wants to fill mandiant_master_lookup.
      • Also please ensure that savedsearches mandiant_indicator_total_count,mandiant_matched_indicator_data,mandiant_matched_indicator_data_today,mandiant_indicator_last_day,mandiant_indicator_last_week,mandiant_indicator_timechart_last_day are enabled.
      • Also update the indices in Target Indices for Indicator for drilldown in the Correlation Details dashboard.
    3. Security Validation Dashboards:
      • Dashboards for Security Validation Data:
        1. Security Validation Overview
        2. Security Validation Details
      • If the data is not populated in the above listed panels, then please ensure that Validation data is collected in Splunk and the indices is updated on the dashboards settings in Validation Jobs Indices.

SUPPORT

Copyright (c) 2021 Mandiant. All rights reserved.

Release Notes

Version 1.0.0
Oct. 12, 2021
  • Added data collection for Mandiant Threat Intelligence and Security Validation.
  • Added field-based correlation feature to find sightings in CIM compliant Splunk events.
  • Added Mandiant Overview, Threat Intelligence Overview, Correlation Overview, Correlation Details, Security Validation Overview and Security Validation Details Dashboards.
  • Added feature to create notable events for newly found sightings.
  • Added feature to retire old indicators and sightings.

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