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TAXII Connect for Splunk

Overview
Details
The ThreatPipes TAXII Connect App provides a way of consuming indicators of compromise (IOCs) in Splunk from TAXII Servers.

Connect Splunk to any TAXII server, including Anomali STAXX, Soltra Edge, MISP, and ThreatPipes. Leverage the indicators to block threats and provide greater context than common threat feeds.

TAXII Connect currently support STIX 1.1, STIX 2.0, TAXII 1.1, STIX 2.0.

Overview

The ThreatPipes TAXII Connect App provides a way of consuming indicators of compromise (IOCs) in Splunk from TAXII Servers.

Connect Splunk to any TAXII server, including Anomali STAXX, Soltra Edge, MISP, and ThreatPipes. Leverage the indicators to block threats and provide greater context than common threat feeds.

TAXII Connect currently support STIX 1.1, STIX 2.0, TAXII 1.1, STIX 2.0.

Requirements

  • Splunk Linux
  • Splunk version > 6.4

Please note that TAXII Connect only works on Linux systems at this time.

Install

TAXII Connect can be found on Splunk Base. Once downloaded, install the App as you would do with any other Splunk App.

https://docs.splunk.com/Documentation/AddOns/released/Overview/Singleserverinstall

TAXII Connect is supported in Splunk Search Head Clusters.

Splunk license impact

TAXII Connect does not impact your Splunk license. IOCs are stored directly in Splunk KVStores (out of the scope of Splunk licensing).

Quick Start

To add a TAXII input, navigate to:

TAXII Connect > Intelligence Downloads > Add New

TAXII Connect Indicator Matching

Here are the minimal steps to follow to successfully automate the searching and recording of IOCs in your data.

The following steps are an illustration of the automation of searches of IOCs across proxy logs. The workflow is as follow:

  1. Periodically search logs using the iocsearch command
  2. Store the results in a dedicated index (log lines having at least one match to any indicator). You should use the macro iocs_detected_sum_index to define the summary index as this macro is also used by TAXII Connect activity dashboards.
  3. Once your matching events are indexed, you can create dashboards, alerts, etc, that fit your needs and context.

Basic Example

Here is an example of such a search (points 1 and 2 from above).

index=proxy_logs
| iocsearch map="cs_uri:url,cs_host:domain,src:ipv4-addr"
| search ioc_indicators_count > 0
| ‘parse_ioc_indicators_json ‘
| rename _raw as raw_
| collect ‘iocs_detected_sum_index ‘ marker="marker=\"proxy\""

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