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   "source": [
    "# Delete this cell to re-enable tracebacks\n",
    "import sys\n",
    "ipython = get_ipython()\n",
    "\n",
    "def hide_traceback(exc_tuple=None, filename=None, tb_offset=None,\n",
    "                   exception_only=False, running_compiled_code=False):\n",
    "    etype, value, tb = sys.exc_info()\n",
    "    return ipython._showtraceback(etype, value, ipython.InteractiveTB.get_exception_only(etype, value))\n",
    "\n",
    "ipython.showtraceback = hide_traceback"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "nbsphinx": "hidden"
   },
   "outputs": [],
   "source": [
    "# JSON output syntax highlighting\n",
    "from __future__ import print_function\n",
    "from pygments import highlight\n",
    "from pygments.lexers import JsonLexer, TextLexer\n",
    "from pygments.formatters import HtmlFormatter\n",
    "from IPython.display import display, HTML\n",
    "from IPython.core.interactiveshell import InteractiveShell\n",
    "\n",
    "InteractiveShell.ast_node_interactivity = \"all\"\n",
    "\n",
    "def json_print(inpt):\n",
    "    string = str(inpt)\n",
    "    formatter = HtmlFormatter()\n",
    "    if string[0] == '{':\n",
    "        lexer = JsonLexer()\n",
    "    else:\n",
    "        lexer = TextLexer()\n",
    "    return HTML('<style type=\"text/css\">{}</style>{}'.format(\n",
    "                formatter.get_style_defs('.highlight'),\n",
    "                highlight(string, lexer, formatter)))\n",
    "\n",
    "globals()['print'] = json_print"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Parsing STIX Content"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Parsing STIX content is as easy as calling the [parse()](../api/stix2.core.rst#stix2.core.parse) function on a JSON string, dictionary, or file-like object. It will automatically determine the type of the object. The STIX objects within `bundle` objects, and the cyber observables contained within `observed-data` objects will be parsed as well.\n",
    "\n",
    "**Parsing a string**"
   ]
  },
  {
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       ".highlight .il { color: #666666 } /* Literal.Number.Integer.Long */</style><div class=\"highlight\"><pre><span></span><span class=\"p\">{</span>\n",
       "    <span class=\"nt\">&quot;type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;observed-data&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;observed-data--b67d30ff-02ac-498a-92f9-32f845f448cf&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2016-04-06T19:58:16.000Z&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;modified&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2016-04-06T19:58:16.000Z&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;first_observed&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2015-12-21T19:00:00Z&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;last_observed&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2015-12-21T19:00:00Z&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;number_observed&quot;</span><span class=\"p\">:</span> <span class=\"mi\">50</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;objects&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
       "        <span class=\"nt\">&quot;0&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
       "            <span class=\"nt\">&quot;type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;file&quot;</span><span class=\"p\">,</span>\n",
       "            <span class=\"nt\">&quot;hashes&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
       "                <span class=\"nt\">&quot;SHA-256&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;0969de02ecf8a5f003e3f6d063d848c8a193aada092623f8ce408c15bcb5f038&quot;</span>\n",
       "            <span class=\"p\">}</span>\n",
       "        <span class=\"p\">}</span>\n",
       "    <span class=\"p\">}</span>\n",
       "<span class=\"p\">}</span>\n",
       "</pre></div>\n"
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    }
   ],
   "source": [
    "from stix2 import parse\n",
    "\n",
    "input_string = \"\"\"{\n",
    "    \"type\": \"observed-data\",\n",
    "    \"id\": \"observed-data--b67d30ff-02ac-498a-92f9-32f845f448cf\",\n",
    "    \"created\": \"2016-04-06T19:58:16.000Z\",\n",
    "    \"modified\": \"2016-04-06T19:58:16.000Z\",\n",
    "    \"first_observed\": \"2015-12-21T19:00:00Z\",\n",
    "    \"last_observed\": \"2015-12-21T19:00:00Z\",\n",
    "    \"number_observed\": 50,\n",
    "    \"objects\": {\n",
    "        \"0\": {\n",
    "            \"type\": \"file\",\n",
    "            \"hashes\": {\n",
    "                \"SHA-256\": \"0969de02ecf8a5f003e3f6d063d848c8a193aada092623f8ce408c15bcb5f038\"\n",
    "            }\n",
    "        }\n",
    "    }\n",
    "}\"\"\"\n",
    "\n",
    "obj = parse(input_string)\n",
    "print(type(obj))\n",
    "print(obj)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Parsing a dictionary**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
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       ".highlight .o { color: #666666 } /* Operator */\n",
       ".highlight .ch { color: #408080; font-style: italic } /* Comment.Hashbang */\n",
       ".highlight .cm { color: #408080; font-style: italic } /* Comment.Multiline */\n",
       ".highlight .cp { color: #BC7A00 } /* Comment.Preproc */\n",
       ".highlight .cpf { color: #408080; font-style: italic } /* Comment.PreprocFile */\n",
       ".highlight .c1 { color: #408080; font-style: italic } /* Comment.Single */\n",
       ".highlight .cs { color: #408080; font-style: italic } /* Comment.Special */\n",
       ".highlight .gd { color: #A00000 } /* Generic.Deleted */\n",
       ".highlight .ge { font-style: italic } /* Generic.Emph */\n",
       ".highlight .gr { color: #FF0000 } /* Generic.Error */\n",
       ".highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */\n",
       ".highlight .gi { color: #00A000 } /* Generic.Inserted */\n",
       ".highlight .go { color: #888888 } /* Generic.Output */\n",
       ".highlight .gp { color: #000080; font-weight: bold } /* Generic.Prompt */\n",
       ".highlight .gs { font-weight: bold } /* Generic.Strong */\n",
       ".highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */\n",
       ".highlight .gt { color: #0044DD } /* Generic.Traceback */\n",
       ".highlight .kc { color: #008000; font-weight: bold } /* Keyword.Constant */\n",
       ".highlight .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */\n",
       ".highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */\n",
       ".highlight .kp { color: #008000 } /* Keyword.Pseudo */\n",
       ".highlight .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */\n",
       ".highlight .kt { color: #B00040 } /* Keyword.Type */\n",
       ".highlight .m { color: #666666 } /* Literal.Number */\n",
       ".highlight .s { color: #BA2121 } /* Literal.String */\n",
       ".highlight .na { color: #7D9029 } /* Name.Attribute */\n",
       ".highlight .nb { color: #008000 } /* Name.Builtin */\n",
       ".highlight .nc { color: #0000FF; font-weight: bold } /* Name.Class */\n",
       ".highlight .no { color: #880000 } /* Name.Constant */\n",
       ".highlight .nd { color: #AA22FF } /* Name.Decorator */\n",
       ".highlight .ni { color: #999999; font-weight: bold } /* Name.Entity */\n",
       ".highlight .ne { color: #D2413A; font-weight: bold } /* Name.Exception */\n",
       ".highlight .nf { color: #0000FF } /* Name.Function */\n",
       ".highlight .nl { color: #A0A000 } /* Name.Label */\n",
       ".highlight .nn { color: #0000FF; font-weight: bold } /* Name.Namespace */\n",
       ".highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */\n",
       ".highlight .nv { color: #19177C } /* Name.Variable */\n",
       ".highlight .ow { color: #AA22FF; font-weight: bold } /* Operator.Word */\n",
       ".highlight .w { color: #bbbbbb } /* Text.Whitespace */\n",
       ".highlight .mb { color: #666666 } /* Literal.Number.Bin */\n",
       ".highlight .mf { color: #666666 } /* Literal.Number.Float */\n",
       ".highlight .mh { color: #666666 } /* Literal.Number.Hex */\n",
       ".highlight .mi { color: #666666 } /* Literal.Number.Integer */\n",
       ".highlight .mo { color: #666666 } /* Literal.Number.Oct */\n",
       ".highlight .sa { color: #BA2121 } /* Literal.String.Affix */\n",
       ".highlight .sb { color: #BA2121 } /* Literal.String.Backtick */\n",
       ".highlight .sc { color: #BA2121 } /* Literal.String.Char */\n",
       ".highlight .dl { color: #BA2121 } /* Literal.String.Delimiter */\n",
       ".highlight .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */\n",
       ".highlight .s2 { color: #BA2121 } /* Literal.String.Double */\n",
       ".highlight .se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */\n",
       ".highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */\n",
       ".highlight .si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */\n",
       ".highlight .sx { color: #008000 } /* Literal.String.Other */\n",
       ".highlight .sr { color: #BB6688 } /* Literal.String.Regex */\n",
       ".highlight .s1 { color: #BA2121 } /* Literal.String.Single */\n",
       ".highlight .ss { color: #19177C } /* Literal.String.Symbol */\n",
       ".highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */\n",
       ".highlight .fm { color: #0000FF } /* Name.Function.Magic */\n",
       ".highlight .vc { color: #19177C } /* Name.Variable.Class */\n",
       ".highlight .vg { color: #19177C } /* Name.Variable.Global */\n",
       ".highlight .vi { color: #19177C } /* Name.Variable.Instance */\n",
       ".highlight .vm { color: #19177C } /* Name.Variable.Magic */\n",
       ".highlight .il { color: #666666 } /* Literal.Number.Integer.Long */</style><div class=\"highlight\"><pre><span></span><span class=\"p\">{</span>\n",
       "    <span class=\"nt\">&quot;type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;identity&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;identity--311b2d2d-f010-4473-83ec-1edf84858f4c&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2015-12-21T19:59:11.000Z&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;modified&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2015-12-21T19:59:11.000Z&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;name&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;Cole Powers&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;identity_class&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;individual&quot;</span>\n",
       "<span class=\"p\">}</span>\n",
       "</pre></div>\n"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "input_dict = {\n",
    "    \"type\": \"identity\",\n",
    "    \"id\": \"identity--311b2d2d-f010-4473-83ec-1edf84858f4c\",\n",
    "    \"created\": \"2015-12-21T19:59:11Z\",\n",
    "    \"modified\": \"2015-12-21T19:59:11Z\",\n",
    "    \"name\": \"Cole Powers\",\n",
    "    \"identity_class\": \"individual\"\n",
    "}\n",
    "\n",
    "obj = parse(input_dict)\n",
    "print(type(obj))\n",
    "print(obj)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Parsing a file-like object**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<style type=\"text/css\">.highlight .hll { background-color: #ffffcc }\n",
       ".highlight  { background: #f8f8f8; }\n",
       ".highlight .c { color: #408080; font-style: italic } /* Comment */\n",
       ".highlight .err { border: 1px solid #FF0000 } /* Error */\n",
       ".highlight .k { color: #008000; font-weight: bold } /* Keyword */\n",
       ".highlight .o { color: #666666 } /* Operator */\n",
       ".highlight .ch { color: #408080; font-style: italic } /* Comment.Hashbang */\n",
       ".highlight .cm { color: #408080; font-style: italic } /* Comment.Multiline */\n",
       ".highlight .cp { color: #BC7A00 } /* Comment.Preproc */\n",
       ".highlight .cpf { color: #408080; font-style: italic } /* Comment.PreprocFile */\n",
       ".highlight .c1 { color: #408080; font-style: italic } /* Comment.Single */\n",
       ".highlight .cs { color: #408080; font-style: italic } /* Comment.Special */\n",
       ".highlight .gd { color: #A00000 } /* Generic.Deleted */\n",
       ".highlight .ge { font-style: italic } /* Generic.Emph */\n",
       ".highlight .gr { color: #FF0000 } /* Generic.Error */\n",
       ".highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */\n",
       ".highlight .gi { color: #00A000 } /* Generic.Inserted */\n",
       ".highlight .go { color: #888888 } /* Generic.Output */\n",
       ".highlight .gp { color: #000080; font-weight: bold } /* Generic.Prompt */\n",
       ".highlight .gs { font-weight: bold } /* Generic.Strong */\n",
       ".highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */\n",
       ".highlight .gt { color: #0044DD } /* Generic.Traceback */\n",
       ".highlight .kc { color: #008000; font-weight: bold } /* Keyword.Constant */\n",
       ".highlight .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */\n",
       ".highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */\n",
       ".highlight .kp { color: #008000 } /* Keyword.Pseudo */\n",
       ".highlight .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */\n",
       ".highlight .kt { color: #B00040 } /* Keyword.Type */\n",
       ".highlight .m { color: #666666 } /* Literal.Number */\n",
       ".highlight .s { color: #BA2121 } /* Literal.String */\n",
       ".highlight .na { color: #7D9029 } /* Name.Attribute */\n",
       ".highlight .nb { color: #008000 } /* Name.Builtin */\n",
       ".highlight .nc { color: #0000FF; font-weight: bold } /* Name.Class */\n",
       ".highlight .no { color: #880000 } /* Name.Constant */\n",
       ".highlight .nd { color: #AA22FF } /* Name.Decorator */\n",
       ".highlight .ni { color: #999999; font-weight: bold } /* Name.Entity */\n",
       ".highlight .ne { color: #D2413A; font-weight: bold } /* Name.Exception */\n",
       ".highlight .nf { color: #0000FF } /* Name.Function */\n",
       ".highlight .nl { color: #A0A000 } /* Name.Label */\n",
       ".highlight .nn { color: #0000FF; font-weight: bold } /* Name.Namespace */\n",
       ".highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */\n",
       ".highlight .nv { color: #19177C } /* Name.Variable */\n",
       ".highlight .ow { color: #AA22FF; font-weight: bold } /* Operator.Word */\n",
       ".highlight .w { color: #bbbbbb } /* Text.Whitespace */\n",
       ".highlight .mb { color: #666666 } /* Literal.Number.Bin */\n",
       ".highlight .mf { color: #666666 } /* Literal.Number.Float */\n",
       ".highlight .mh { color: #666666 } /* Literal.Number.Hex */\n",
       ".highlight .mi { color: #666666 } /* Literal.Number.Integer */\n",
       ".highlight .mo { color: #666666 } /* Literal.Number.Oct */\n",
       ".highlight .sa { color: #BA2121 } /* Literal.String.Affix */\n",
       ".highlight .sb { color: #BA2121 } /* Literal.String.Backtick */\n",
       ".highlight .sc { color: #BA2121 } /* Literal.String.Char */\n",
       ".highlight .dl { color: #BA2121 } /* Literal.String.Delimiter */\n",
       ".highlight .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */\n",
       ".highlight .s2 { color: #BA2121 } /* Literal.String.Double */\n",
       ".highlight .se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */\n",
       ".highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */\n",
       ".highlight .si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */\n",
       ".highlight .sx { color: #008000 } /* Literal.String.Other */\n",
       ".highlight .sr { color: #BB6688 } /* Literal.String.Regex */\n",
       ".highlight .s1 { color: #BA2121 } /* Literal.String.Single */\n",
       ".highlight .ss { color: #19177C } /* Literal.String.Symbol */\n",
       ".highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */\n",
       ".highlight .fm { color: #0000FF } /* Name.Function.Magic */\n",
       ".highlight .vc { color: #19177C } /* Name.Variable.Class */\n",
       ".highlight .vg { color: #19177C } /* Name.Variable.Global */\n",
       ".highlight .vi { color: #19177C } /* Name.Variable.Instance */\n",
       ".highlight .vm { color: #19177C } /* Name.Variable.Magic */\n",
       ".highlight .il { color: #666666 } /* Literal.Number.Integer.Long */</style><div class=\"highlight\"><pre><span></span>&lt;class &#39;stix2.v20.sdo.CourseOfAction&#39;&gt;\n",
       "</pre></div>\n"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "text/html": [
       "<style type=\"text/css\">.highlight .hll { background-color: #ffffcc }\n",
       ".highlight  { background: #f8f8f8; }\n",
       ".highlight .c { color: #408080; font-style: italic } /* Comment */\n",
       ".highlight .err { border: 1px solid #FF0000 } /* Error */\n",
       ".highlight .k { color: #008000; font-weight: bold } /* Keyword */\n",
       ".highlight .o { color: #666666 } /* Operator */\n",
       ".highlight .ch { color: #408080; font-style: italic } /* Comment.Hashbang */\n",
       ".highlight .cm { color: #408080; font-style: italic } /* Comment.Multiline */\n",
       ".highlight .cp { color: #BC7A00 } /* Comment.Preproc */\n",
       ".highlight .cpf { color: #408080; font-style: italic } /* Comment.PreprocFile */\n",
       ".highlight .c1 { color: #408080; font-style: italic } /* Comment.Single */\n",
       ".highlight .cs { color: #408080; font-style: italic } /* Comment.Special */\n",
       ".highlight .gd { color: #A00000 } /* Generic.Deleted */\n",
       ".highlight .ge { font-style: italic } /* Generic.Emph */\n",
       ".highlight .gr { color: #FF0000 } /* Generic.Error */\n",
       ".highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */\n",
       ".highlight .gi { color: #00A000 } /* Generic.Inserted */\n",
       ".highlight .go { color: #888888 } /* Generic.Output */\n",
       ".highlight .gp { color: #000080; font-weight: bold } /* Generic.Prompt */\n",
       ".highlight .gs { font-weight: bold } /* Generic.Strong */\n",
       ".highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */\n",
       ".highlight .gt { color: #0044DD } /* Generic.Traceback */\n",
       ".highlight .kc { color: #008000; font-weight: bold } /* Keyword.Constant */\n",
       ".highlight .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */\n",
       ".highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */\n",
       ".highlight .kp { color: #008000 } /* Keyword.Pseudo */\n",
       ".highlight .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */\n",
       ".highlight .kt { color: #B00040 } /* Keyword.Type */\n",
       ".highlight .m { color: #666666 } /* Literal.Number */\n",
       ".highlight .s { color: #BA2121 } /* Literal.String */\n",
       ".highlight .na { color: #7D9029 } /* Name.Attribute */\n",
       ".highlight .nb { color: #008000 } /* Name.Builtin */\n",
       ".highlight .nc { color: #0000FF; font-weight: bold } /* Name.Class */\n",
       ".highlight .no { color: #880000 } /* Name.Constant */\n",
       ".highlight .nd { color: #AA22FF } /* Name.Decorator */\n",
       ".highlight .ni { color: #999999; font-weight: bold } /* Name.Entity */\n",
       ".highlight .ne { color: #D2413A; font-weight: bold } /* Name.Exception */\n",
       ".highlight .nf { color: #0000FF } /* Name.Function */\n",
       ".highlight .nl { color: #A0A000 } /* Name.Label */\n",
       ".highlight .nn { color: #0000FF; font-weight: bold } /* Name.Namespace */\n",
       ".highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */\n",
       ".highlight .nv { color: #19177C } /* Name.Variable */\n",
       ".highlight .ow { color: #AA22FF; font-weight: bold } /* Operator.Word */\n",
       ".highlight .w { color: #bbbbbb } /* Text.Whitespace */\n",
       ".highlight .mb { color: #666666 } /* Literal.Number.Bin */\n",
       ".highlight .mf { color: #666666 } /* Literal.Number.Float */\n",
       ".highlight .mh { color: #666666 } /* Literal.Number.Hex */\n",
       ".highlight .mi { color: #666666 } /* Literal.Number.Integer */\n",
       ".highlight .mo { color: #666666 } /* Literal.Number.Oct */\n",
       ".highlight .sa { color: #BA2121 } /* Literal.String.Affix */\n",
       ".highlight .sb { color: #BA2121 } /* Literal.String.Backtick */\n",
       ".highlight .sc { color: #BA2121 } /* Literal.String.Char */\n",
       ".highlight .dl { color: #BA2121 } /* Literal.String.Delimiter */\n",
       ".highlight .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */\n",
       ".highlight .s2 { color: #BA2121 } /* Literal.String.Double */\n",
       ".highlight .se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */\n",
       ".highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */\n",
       ".highlight .si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */\n",
       ".highlight .sx { color: #008000 } /* Literal.String.Other */\n",
       ".highlight .sr { color: #BB6688 } /* Literal.String.Regex */\n",
       ".highlight .s1 { color: #BA2121 } /* Literal.String.Single */\n",
       ".highlight .ss { color: #19177C } /* Literal.String.Symbol */\n",
       ".highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */\n",
       ".highlight .fm { color: #0000FF } /* Name.Function.Magic */\n",
       ".highlight .vc { color: #19177C } /* Name.Variable.Class */\n",
       ".highlight .vg { color: #19177C } /* Name.Variable.Global */\n",
       ".highlight .vi { color: #19177C } /* Name.Variable.Instance */\n",
       ".highlight .vm { color: #19177C } /* Name.Variable.Magic */\n",
       ".highlight .il { color: #666666 } /* Literal.Number.Integer.Long */</style><div class=\"highlight\"><pre><span></span><span class=\"p\">{</span>\n",
       "    <span class=\"nt\">&quot;type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;course-of-action&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;course-of-action--d9727aee-48b8-4fdb-89e2-4c49746ba4dd&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;created_by_ref&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2017-05-31T21:30:41.022Z&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;modified&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2017-05-31T21:30:41.022Z&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;name&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;Data from Network Shared Drive Mitigation&quot;</span><span class=\"p\">,</span>\n",
       "    <span class=\"nt\">&quot;description&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;Identify unnecessary system utilities or potentially malicious software that may be used to collect data from a network share, and audit and/or block them by using whitelisting[[CiteRef::Beechey 2010]] tools, like AppLocker,[[CiteRef::Windows Commands JPCERT]][[CiteRef::NSA MS AppLocker]] or Software Restriction Policies[[CiteRef::Corio 2008]] where appropriate.[[CiteRef::TechNet Applocker vs SRP]]&quot;</span>\n",
       "<span class=\"p\">}</span>\n",
       "</pre></div>\n"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "file_handle = open(\"/tmp/stix2_store/course-of-action/course-of-action--d9727aee-48b8-4fdb-89e2-4c49746ba4dd.json\")\n",
    "\n",
    "obj = parse(file_handle)\n",
    "print(type(obj))\n",
    "print(obj)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Parsing Custom STIX Content"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Parsing custom STIX objects and/or STIX objects with custom properties is also completed easily with [parse()](../api/stix2.core.rst#stix2.core.parse). Just supply the keyword argument ``allow_custom=True``. When ``allow_custom`` is specified, [parse()](../api/stix2.core.rst#stix2.core.parse) will attempt to convert the supplied STIX content to known STIX 2 domain objects and/or previously defined [custom STIX 2 objects](custom.ipynb). If the conversion cannot be completed (and ``allow_custom`` is specified), [parse()](../api/stix2.core.rst#stix2.core.parse) will treat the supplied STIX 2 content as valid STIX 2 objects and return them. **Warning: Specifying allow_custom may lead to critical errors if further processing (searching, filtering, modifying etc...) of the custom content occurs where the custom content supplied is not valid STIX 2**. This is an axiomatic possibility as the ``stix2`` library cannot guarantee proper processing of unknown custom STIX 2 objects that were explicitly flagged to be allowed, and thus may not be valid.\n",
    "\n",
    "For examples of parsing STIX 2 objects with custom STIX properties, see [Custom STIX Content: Custom Properties](custom.ipynb#Custom-Properties)\n",
    "\n",
    "For examples of parsing defined custom STIX 2 objects, see [Custom STIX Content: Custom STIX Object Types](custom.ipynb#Custom-STIX-Object-Types)\n",
    "\n",
    "For retrieving STIX 2 content from a source (e.g. file system, TAXII) that may possibly have custom STIX 2 content unknown to the user, the user can create a STIX 2 DataStore/Source with the flag ``allow_custom=True``. As mentioned, this will configure the DataStore/Source to allow for unknown STIX 2 content to be returned (albeit not converted to full STIX 2 domain objects and properties); the ``stix2`` library may preclude processing the unknown content, if the content is not valid or actual STIX 2 domain objects and properties."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "from taxii2client import Collection\n",
    "from stix2 import CompositeDataSource, FileSystemSource, TAXIICollectionSource\n",
    "\n",
    "# to allow for the retrieval of unknown custom STIX2 content,\n",
    "# just create *Stores/*Sources with the 'allow_custom' flag\n",
    "\n",
    "# create FileSystemStore\n",
    "fs = FileSystemSource(\"/path/to/stix2_data/\", allow_custom=True)\n",
    "\n",
    "# create TAXIICollectionSource\n",
    "colxn = Collection('http://taxii_url')\n",
    "ts = TAXIICollectionSource(colxn, allow_custom=True)"
   ]
  }
 ],
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