935 lines
57 KiB
Plaintext
935 lines
57 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {
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"nbsphinx": "hidden"
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},
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"outputs": [],
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"source": [
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"# Delete this cell to re-enable tracebacks\n",
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"import sys\n",
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"ipython = get_ipython()\n",
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"\n",
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"def hide_traceback(exc_tuple=None, filename=None, tb_offset=None,\n",
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" exception_only=False, running_compiled_code=False):\n",
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" etype, value, tb = sys.exc_info()\n",
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" return ipython._showtraceback(etype, value, ipython.InteractiveTB.get_exception_only(etype, value))\n",
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"\n",
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"ipython.showtraceback = hide_traceback"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {
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"nbsphinx": "hidden"
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},
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"outputs": [],
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"source": [
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"# JSON output syntax highlighting\n",
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"from __future__ import print_function\n",
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"from pygments import highlight\n",
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"from pygments.lexers import JsonLexer, TextLexer\n",
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"from pygments.formatters import HtmlFormatter\n",
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"from IPython.display import display, HTML\n",
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"from IPython.core.interactiveshell import InteractiveShell\n",
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"\n",
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"InteractiveShell.ast_node_interactivity = \"all\"\n",
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"\n",
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"def json_print(inpt):\n",
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" string = str(inpt)\n",
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" formatter = HtmlFormatter()\n",
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" if string[0] == '{':\n",
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" lexer = JsonLexer()\n",
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" else:\n",
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" lexer = TextLexer()\n",
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" return HTML('<style type=\"text/css\">{}</style>{}'.format(\n",
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" formatter.get_style_defs('.highlight'),\n",
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" highlight(string, lexer, formatter)))\n",
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"\n",
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"globals()['print'] = json_print"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## FileSystem \n",
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"\n",
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"The FileSystem suite contains [FileSystemStore](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemStore), [FileSystemSource](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSource) and [FileSystemSink](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSink). Under the hood, all FileSystem objects point to a file directory (on disk) that contains STIX 2 content. \n",
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"\n",
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"The directory and file structure of the intended STIX 2 content should be:\n",
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"\n",
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"```\n",
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"stix2_content/\n",
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" /STIX2 Domain Object type\n",
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" STIX2 Domain Object\n",
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" STIX2 Domain Object\n",
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" .\n",
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" .\n",
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" .\n",
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" /STIX2 Domain Object type\n",
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" STIX2 Domain Object\n",
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" STIX2 Domain Object\n",
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" .\n",
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" .\n",
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" .\n",
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" .\n",
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" .\n",
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" .\n",
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" /STIX2 Domain Object type\n",
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"```\n",
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"\n",
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"The master STIX 2 content directory contains subdirectories, each of which aligns to a STIX 2 domain object type (i.e. \"attack-pattern\", \"campaign\", \"malware\", etc.). Within each STIX 2 domain object subdirectory are JSON files that are STIX 2 domain objects of the specified type. The name of the json files correspond to the ID of the STIX 2 domain object found within that file. A real example of the FileSystem directory structure:\n",
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"\n",
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"```\n",
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"stix2_content/\n",
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" /attack-pattern\n",
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" attack-pattern--00d0b012-8a03-410e-95de-5826bf542de6.json\n",
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" attack-pattern--0a3ead4e-6d47-4ccb-854c-a6a4f9d96b22.json\n",
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" attack-pattern--1b7ba276-eedc-4951-a762-0ceea2c030ec.json\n",
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" /campaign\n",
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" /course-of-action\n",
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" course-of-action--2a8de25c-f743-4348-b101-3ee33ab5871b.json\n",
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" course-of-action--2c3ce852-06a2-40ee-8fe6-086f6402a739.json\n",
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" /identity\n",
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" identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5.json\n",
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" /indicator\n",
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" /intrusion-set\n",
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" /malware\n",
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" malware--1d808f62-cf63-4063-9727-ff6132514c22.json\n",
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" malware--2eb9b131-d333-4a48-9eb4-d8dec46c19ee.json\n",
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" /observed-data\n",
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" /report\n",
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" /threat-actor\n",
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" /vulnerability\n",
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"```\n",
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"\n",
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"[FileSystemStore](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemStore) is intended for use cases where STIX 2 content is retrieved and pushed to the same file directory. As [FileSystemStore](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemStore) is just a wrapper around a paired [FileSystemSource](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSource) and [FileSystemSink](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSink) that point the same file directory.\n",
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"\n",
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"For use cases where STIX 2 content will only be retrieved or pushed, then a [FileSystemSource](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSource) and [FileSystemSink](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSink) can be used individually. They can also be used individually when STIX 2 content will be retrieved from one distinct file directory and pushed to another.\n",
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"\n",
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"### FileSystem API\n",
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"\n",
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"A note on [get()](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSource.get), [all_versions()](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSource.all_versions), and [query()](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSource.query): The format of the STIX2 content targeted by the FileSystem suite is JSON files. When the [FileSystemStore](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemStore) retrieves STIX 2 content (in JSON) from disk, it will attempt to parse the content into full-featured python-stix2 objects and returned as such. \n",
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"\n",
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"A note on [add()](../api/datastore/stix2.datastore.filesystem.rst#stix2.datastore.filesystem.FileSystemSink.add): When STIX content is added (pushed) to the file system, the STIX content can be supplied in the following forms: Python STIX objects, Python dictionaries (of valid STIX objects or Bundles), JSON-encoded strings (of valid STIX objects or Bundles), or a (Python) list of any of the previously listed types. Any of the previous STIX content forms will be converted to a STIX JSON object (in a STIX Bundle) and written to disk. \n",
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"\n",
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"### FileSystem Examples\n",
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"\n",
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"#### FileSystemStore\n",
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"\n",
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"Use the FileSystemStore when you want to both retrieve STIX content from the file system and push STIX content to it, too."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {},
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"outputs": [
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{
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"data": {
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".highlight .sb { color: #BA2121 } /* Literal.String.Backtick */\n",
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".highlight .vm { color: #19177C } /* Name.Variable.Magic */\n",
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".highlight .il { color: #666666 } /* Literal.Number.Integer.Long */</style><div class=\"highlight\"><pre><span></span><span class=\"p\">{</span>\n",
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" <span class=\"nt\">"type"</span><span class=\"p\">:</span> <span class=\"s2\">"malware"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"id"</span><span class=\"p\">:</span> <span class=\"s2\">"malware--00c3bfcb-99bd-4767-8c03-b08f585f5c8a"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"created_by_ref"</span><span class=\"p\">:</span> <span class=\"s2\">"identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"created"</span><span class=\"p\">:</span> <span class=\"s2\">"2017-05-31T21:33:19.746Z"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"modified"</span><span class=\"p\">:</span> <span class=\"s2\">"2017-05-31T21:33:19.746Z"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"name"</span><span class=\"p\">:</span> <span class=\"s2\">"PowerDuke"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"description"</span><span class=\"p\">:</span> <span class=\"s2\">"PowerDuke is a backdoor that was used by APT29 in 2016. It has primarily been delivered through Microsoft Word or Excel attachments containing malicious macros.[[Citation: Volexity PowerDuke November 2016]]"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"labels"</span><span class=\"p\">:</span> <span class=\"p\">[</span>\n",
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" <span class=\"s2\">"malware"</span>\n",
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" <span class=\"p\">],</span>\n",
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" <span class=\"nt\">"external_references"</span><span class=\"p\">:</span> <span class=\"p\">[</span>\n",
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" <span class=\"p\">{</span>\n",
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" <span class=\"nt\">"source_name"</span><span class=\"p\">:</span> <span class=\"s2\">"mitre-attack"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"url"</span><span class=\"p\">:</span> <span class=\"s2\">"https://attack.mitre.org/wiki/Software/S0139"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"external_id"</span><span class=\"p\">:</span> <span class=\"s2\">"S0139"</span>\n",
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" <span class=\"p\">},</span>\n",
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" <span class=\"p\">{</span>\n",
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" <span class=\"nt\">"source_name"</span><span class=\"p\">:</span> <span class=\"s2\">"Volexity PowerDuke November 2016"</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"description"</span><span class=\"p\">:</span> <span class=\"s2\">"Adair, S.. (2016, November 9). PowerDuke: Widespread Post-Election Spear Phishing Campaigns Targeting Think Tanks and NGOs. Retrieved January 11, 2017."</span><span class=\"p\">,</span>\n",
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" <span class=\"nt\">"url"</span><span class=\"p\">:</span> <span class=\"s2\">"https://www.volexity.com/blog/2016/11/09/powerduke-post-election-spear-phishing-campaigns-targeting-think-tanks-and-ngos/"</span>\n",
|
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" <span class=\"p\">}</span>\n",
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" <span class=\"p\">],</span>\n",
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" <span class=\"nt\">"object_marking_refs"</span><span class=\"p\">:</span> <span class=\"p\">[</span>\n",
|
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" <span class=\"s2\">"marking-definition--fa42a846-8d90-4e51-bc29-71d5b4802168"</span>\n",
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" <span class=\"p\">]</span>\n",
|
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"<span class=\"p\">}</span>\n",
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"</pre></div>\n"
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],
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"text/plain": [
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"<IPython.core.display.HTML object>"
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]
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},
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"execution_count": 4,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
|
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"from stix2 import FileSystemStore\n",
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"\n",
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"# create FileSystemStore\n",
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"fs = FileSystemStore(\"/tmp/stix2_store\")\n",
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"\n",
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"# retrieve STIX2 content from FileSystemStore\n",
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"ap = fs.get(\"attack-pattern--00d0b012-8a03-410e-95de-5826bf542de6\")\n",
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"mal = fs.get(\"malware--00c3bfcb-99bd-4767-8c03-b08f585f5c8a\")\n",
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"\n",
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"# for visual purposes\n",
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"print(mal)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": [
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"from stix2 import ThreatActor, Indicator\n",
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"\n",
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"# create new STIX threat-actor\n",
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"ta = ThreatActor(name=\"Adjective Bear\",\n",
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" labels=[\"nation-state\"],\n",
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" sophistication=\"innovator\",\n",
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" resource_level=\"government\",\n",
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" goals=[\n",
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" \"compromising media outlets\",\n",
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" \"water-hole attacks geared towards political, military targets\",\n",
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" \"intelligence collection\"\n",
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" ])\n",
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"\n",
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"# create new indicators\n",
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"ind = Indicator(description=\"Crusades C2 implant\",\n",
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" labels=[\"malicious-activity\"],\n",
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" pattern=\"[file:hashes.'SHA-256' = '54b7e05e39a59428743635242e4a867c932140a999f52a1e54fa7ee6a440c73b']\")\n",
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"\n",
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"ind1 = Indicator(description=\"Crusades C2 implant 2\",\n",
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" labels=[\"malicious-activity\"],\n",
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" pattern=\"[file:hashes.'SHA-256' = '64c7e05e40a59511743635242e4a867c932140a999f52a1e54fa7ee6a440c73b']\")\n",
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"\n",
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"# add STIX object (threat-actor) to FileSystemStore\n",
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"fs.add(ta)\n",
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"\n",
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"# can also add multiple STIX objects to FileSystemStore in one call\n",
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"fs.add([ind, ind1])"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"#### FileSystemSource\n",
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"\n",
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"Use the FileSystemSource when you only want to retrieve STIX content from the file system."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"metadata": {},
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"outputs": [
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{
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".highlight .vm { color: #19177C } /* Name.Variable.Magic */\n",
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".highlight .il { color: #666666 } /* Literal.Number.Integer.Long */</style><div class=\"highlight\"><pre><span></span><span class=\"p\">{</span>\n",
|
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" <span class=\"nt\">"type"</span><span class=\"p\">:</span> <span class=\"s2\">"attack-pattern"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"id"</span><span class=\"p\">:</span> <span class=\"s2\">"attack-pattern--00d0b012-8a03-410e-95de-5826bf542de6"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"created_by_ref"</span><span class=\"p\">:</span> <span class=\"s2\">"identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"created"</span><span class=\"p\">:</span> <span class=\"s2\">"2017-05-31T21:30:54.176Z"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"modified"</span><span class=\"p\">:</span> <span class=\"s2\">"2017-05-31T21:30:54.176Z"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"name"</span><span class=\"p\">:</span> <span class=\"s2\">"Indicator Removal from Tools"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"description"</span><span class=\"p\">:</span> <span class=\"s2\">"If a malicious...command-line parameters, Process monitoring"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"kill_chain_phases"</span><span class=\"p\">:</span> <span class=\"p\">[</span>\n",
|
|
" <span class=\"p\">{</span>\n",
|
|
" <span class=\"nt\">"kill_chain_name"</span><span class=\"p\">:</span> <span class=\"s2\">"mitre-attack"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"phase_name"</span><span class=\"p\">:</span> <span class=\"s2\">"defense-evasion"</span>\n",
|
|
" <span class=\"p\">}</span>\n",
|
|
" <span class=\"p\">],</span>\n",
|
|
" <span class=\"nt\">"external_references"</span><span class=\"p\">:</span> <span class=\"p\">[</span>\n",
|
|
" <span class=\"p\">{</span>\n",
|
|
" <span class=\"nt\">"source_name"</span><span class=\"p\">:</span> <span class=\"s2\">"mitre-attack"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"url"</span><span class=\"p\">:</span> <span class=\"s2\">"https://attack.mitre.org/wiki/Technique/T1066"</span><span class=\"p\">,</span>\n",
|
|
" <span class=\"nt\">"external_id"</span><span class=\"p\">:</span> <span class=\"s2\">"T1066"</span>\n",
|
|
" <span class=\"p\">}</span>\n",
|
|
" <span class=\"p\">],</span>\n",
|
|
" <span class=\"nt\">"object_marking_refs"</span><span class=\"p\">:</span> <span class=\"p\">[</span>\n",
|
|
" <span class=\"s2\">"marking-definition--fa42a846-8d90-4e51-bc29-71d5b4802168"</span>\n",
|
|
" <span class=\"p\">]</span>\n",
|
|
"<span class=\"p\">}</span>\n",
|
|
"</pre></div>\n"
|
|
],
|
|
"text/plain": [
|
|
"<IPython.core.display.HTML object>"
|
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]
|
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},
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"execution_count": 6,
|
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"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
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"source": [
|
|
"from stix2 import FileSystemSource\n",
|
|
"\n",
|
|
"# create FileSystemSource\n",
|
|
"fs_source = FileSystemSource(\"/tmp/stix2_source\")\n",
|
|
"\n",
|
|
"# retrieve STIX 2 objects\n",
|
|
"ap = fs_source.get(\"attack-pattern--00d0b012-8a03-410e-95de-5826bf542de6\")\n",
|
|
"\n",
|
|
"# for visual purposes\n",
|
|
"print(ap)"
|
|
]
|
|
},
|
|
{
|
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"cell_type": "code",
|
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"execution_count": 7,
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"metadata": {},
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"outputs": [
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"data": {
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".highlight .il { color: #666666 } /* Literal.Number.Integer.Long */</style><div class=\"highlight\"><pre><span></span>malware--b42378e0-f147-496f-992a-26a49705395b\n",
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".highlight .il { color: #666666 } /* Literal.Number.Integer.Long */</style><div class=\"highlight\"><pre><span></span>malware--92ec0cbd-2c30-44a2-b270-73f4ec949841\n",
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"metadata": {},
|
|
"output_type": "execute_result"
|
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}
|
|
],
|
|
"source": [
|
|
"from stix2 import Filter\n",
|
|
"\n",
|
|
"# create filter for type=malware\n",
|
|
"query = [Filter(\"type\", \"=\", \"malware\")]\n",
|
|
"\n",
|
|
"# query on the filter\n",
|
|
"mals = fs_source.query(query)\n",
|
|
"\n",
|
|
"for mal in mals:\n",
|
|
" print(mal.id)"
|
|
]
|
|
},
|
|
{
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"cell_type": "code",
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"execution_count": 8,
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"metadata": {},
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"outputs": [
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{
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"data": {
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|
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|
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|
|
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|
|
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|
|
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|
|
".highlight .sc { color: #BA2121 } /* Literal.String.Char */\n",
|
|
".highlight .dl { color: #BA2121 } /* Literal.String.Delimiter */\n",
|
|
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|
|
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|
|
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|
|
".highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */\n",
|
|
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|
|
".highlight .sx { color: #008000 } /* Literal.String.Other */\n",
|
|
".highlight .sr { color: #BB6688 } /* Literal.String.Regex */\n",
|
|
".highlight .s1 { color: #BA2121 } /* Literal.String.Single */\n",
|
|
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|
|
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|
|
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|
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|
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|
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|
|
".highlight .vm { color: #19177C } /* Name.Variable.Magic */\n",
|
|
".highlight .il { color: #666666 } /* Literal.Number.Integer.Long */</style><div class=\"highlight\"><pre><span></span>malware--92ec0cbd-2c30-44a2-b270-73f4ec949841\n",
|
|
"</pre></div>\n"
|
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],
|
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|
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"<IPython.core.display.HTML object>"
|
|
]
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|
},
|
|
"execution_count": 8,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"# add more filters to the query\n",
|
|
"query.append(Filter(\"modified\", \">\" , \"2017-05-31T21:33:10.772474Z\"))\n",
|
|
"\n",
|
|
"mals = fs_source.query(query)\n",
|
|
"\n",
|
|
"# for visual purposes\n",
|
|
"for mal in mals:\n",
|
|
" print(mal.id)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {},
|
|
"source": [
|
|
"#### FileSystemSink\n",
|
|
"\n",
|
|
"Use the FileSystemSink when you only want to push STIX content to the file system."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 10,
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"from stix2 import FileSystemSink, Campaign, Indicator\n",
|
|
"\n",
|
|
"# create FileSystemSink\n",
|
|
"fs_sink = FileSystemSink(\"/tmp/stix2_sink\")\n",
|
|
"\n",
|
|
"# create STIX objects and add to sink\n",
|
|
"camp = Campaign(name=\"The Crusades\",\n",
|
|
" objective=\"Infiltrating Israeli, Iranian and Palestinian digital infrastructure and government systems.\",\n",
|
|
" aliases=[\"Desert Moon\"])\n",
|
|
"\n",
|
|
"ind = Indicator(description=\"Crusades C2 implant\",\n",
|
|
" labels=[\"malicious-activity\"],\n",
|
|
" pattern=\"[file:hashes.'SHA-256' = '54b7e05e39a59428743635242e4a867c932140a999f52a1e54fa7ee6a440c73b']\")\n",
|
|
"\n",
|
|
"ind1 = Indicator(description=\"Crusades C2 implant\",\n",
|
|
" labels=[\"malicious-activity\"],\n",
|
|
" pattern=\"[file:hashes.'SHA-256' = '54b7e05e39a59428743635242e4a867c932140a999f52a1e54fa7ee6a440c73b']\")\n",
|
|
"\n",
|
|
"# add Campaign object to FileSystemSink\n",
|
|
"fs_sink.add(camp)\n",
|
|
"\n",
|
|
"# can also add STIX objects to FileSystemSink in on call\n",
|
|
"fs_sink.add([ind, ind1])"
|
|
]
|
|
}
|
|
],
|
|
"metadata": {
|
|
"kernelspec": {
|
|
"display_name": "Python 3",
|
|
"language": "python",
|
|
"name": "python3"
|
|
},
|
|
"language_info": {
|
|
"codemirror_mode": {
|
|
"name": "ipython",
|
|
"version": 3
|
|
},
|
|
"file_extension": ".py",
|
|
"mimetype": "text/x-python",
|
|
"name": "python",
|
|
"nbconvert_exporter": "python",
|
|
"pygments_lexer": "ipython3",
|
|
"version": "3.6.3"
|
|
}
|
|
},
|
|
"nbformat": 4,
|
|
"nbformat_minor": 2
|
|
}
|