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"# 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",
" value.__cause__ = None # suppress chained exceptions\n",
" return ipython._showtraceback(etype, value, ipython.InteractiveTB.get_exception_only(etype, value))\n",
"\n",
"ipython.showtraceback = hide_traceback"
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{
"cell_type": "code",
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"nbsphinx": "hidden"
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"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": [
"## STIX Extensions\n",
"\n",
"This page is specific for the STIX Extensions mechanism defined in STIX 2.1 CS 02. For the deprecated STIX Customization mechanisms see the [Custom](custom.ipynb) section.\n",
"\n",
"### Top Level Property Extensions\n",
"\n",
"The example below shows how to create an `indicator` object with a `top-level-property-extension`. "
]
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" <span class=\"nt\">&quot;type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;indicator&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;spec_version&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2.1&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;indicator--e97bfccf-8970-4a3c-9cd1-5b5b97ed5d0c&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2014-02-20T09:16:08.989Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;modified&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2014-02-20T09:16:08.989Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;name&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;File hash for Poison Ivy variant&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;description&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;This file hash indicates that a sample of Poison Ivy is present.&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;pattern&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;[file:hashes.&#39;SHA-256&#39; = &#39;ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c&#39;]&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;pattern_type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;stix&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;pattern_version&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2.1&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;valid_from&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2014-02-20T09:00:00Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;labels&quot;</span><span class=\"p\">:</span> <span class=\"p\">[</span>\n",
" <span class=\"s2\">&quot;malicious-activity&quot;</span>\n",
" <span class=\"p\">],</span>\n",
" <span class=\"nt\">&quot;extensions&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension-definition--dd73de4f-a7f3-49ea-8ec1-8e884196b7a8&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension_type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;toplevel-property-extension&quot;</span>\n",
" <span class=\"p\">}</span>\n",
" <span class=\"p\">},</span>\n",
" <span class=\"nt\">&quot;rank&quot;</span><span class=\"p\">:</span> <span class=\"mi\">5</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;toxicity&quot;</span><span class=\"p\">:</span> <span class=\"mi\">8</span>\n",
"<span class=\"p\">}</span>\n",
"</pre></div>\n"
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"import stix2\n",
"\n",
"extension_definition1 = stix2.v21.ExtensionDefinition(\n",
" id=\"extension-definition--dd73de4f-a7f3-49ea-8ec1-8e884196b7a8\",\n",
" created_by_ref=\"identity--11b76a96-5d2b-45e0-8a5a-f6994f370731\",\n",
" created=\"2014-02-20T09:16:08.000Z\",\n",
" modified=\"2014-02-20T09:16:08.000Z\",\n",
" name=\"New SDO 1\",\n",
" description=\"This schema adds two properties to a STIX object at the toplevel\",\n",
" schema=\"https://www.example.com/schema-foo-1a/v1/\",\n",
" version=\"1.2.1\",\n",
" extension_types=[\"toplevel-property-extension\"],\n",
" extension_properties=[\n",
" \"toxicity\",\n",
" \"rank\",\n",
" ],\n",
")\n",
"\n",
"indicator = stix2.v21.Indicator(\n",
" id='indicator--e97bfccf-8970-4a3c-9cd1-5b5b97ed5d0c',\n",
" created='2014-02-20T09:16:08.989000Z',\n",
" modified='2014-02-20T09:16:08.989000Z',\n",
" name='File hash for Poison Ivy variant',\n",
" description='This file hash indicates that a sample of Poison Ivy is present.',\n",
" labels=[\n",
" 'malicious-activity',\n",
" ],\n",
" rank=5,\n",
" toxicity=8,\n",
" pattern='[file:hashes.\\'SHA-256\\' = \\'ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c\\']',\n",
" pattern_type='stix',\n",
" valid_from='2014-02-20T09:00:00.000000Z',\n",
" extensions={\n",
" extension_definition1.id : {\n",
" 'extension_type': 'toplevel-property-extension',\n",
" },\n",
" }\n",
")\n",
"\n",
"print(extension_definition1.serialize(pretty=True))\n",
"print(indicator.serialize(pretty=True))"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Using CustomExtension decorator\n",
"\n",
"However, in order to prevent repetitive instantiation of the same extension, the `@CustomExtension` decorator can be used to register the `extension-definition` with stix2. Use the `extension_type` class variable to define what kind of extension it is. Then its id can be passed into objects that use this extension."
]
},
{
"cell_type": "code",
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".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;indicator&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;spec_version&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2.1&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;indicator--e97bfccf-8970-4a3c-9cd1-5b5b97ed5d0c&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2014-02-20T09:16:08.989Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;modified&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2014-02-20T09:16:08.989Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;name&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;File hash for Poison Ivy variant&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;description&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;This file hash indicates that a sample of Poison Ivy is present.&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;pattern&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;[file:hashes.&#39;SHA-256&#39; = &#39;ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c&#39;]&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;pattern_type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;stix&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;pattern_version&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2.1&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;valid_from&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2014-02-20T09:00:00Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;labels&quot;</span><span class=\"p\">:</span> <span class=\"p\">[</span>\n",
" <span class=\"s2\">&quot;malicious-activity&quot;</span>\n",
" <span class=\"p\">],</span>\n",
" <span class=\"nt\">&quot;extensions&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension-definition--dd73de4f-a7f3-49ea-8ec1-8e884196b7a8&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension_type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;toplevel-property-extension&quot;</span>\n",
" <span class=\"p\">}</span>\n",
" <span class=\"p\">},</span>\n",
" <span class=\"nt\">&quot;rank&quot;</span><span class=\"p\">:</span> <span class=\"mi\">5</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;toxicity&quot;</span><span class=\"p\">:</span> <span class=\"mi\">8</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": [
"TOPLEVEL_EXTENSION_DEFINITION_ID = 'extension-definition--dd73de4f-a7f3-49ea-8ec1-8e884196b7a8'\n",
"\n",
"@stix2.v21.CustomExtension(\n",
" TOPLEVEL_EXTENSION_DEFINITION_ID, [\n",
" ('rank', stix2.properties.IntegerProperty(required=True)),\n",
" ('toxicity', stix2.properties.IntegerProperty(required=True)),\n",
" ],\n",
")\n",
"class ExtensionTopLevel:\n",
" extension_type = 'toplevel-property-extension'\n",
"\n",
"indicator = stix2.v21.Indicator(\n",
" id='indicator--e97bfccf-8970-4a3c-9cd1-5b5b97ed5d0c',\n",
" created='2014-02-20T09:16:08.989000Z',\n",
" modified='2014-02-20T09:16:08.989000Z',\n",
" name='File hash for Poison Ivy variant',\n",
" description='This file hash indicates that a sample of Poison Ivy is present.',\n",
" labels=[\n",
" 'malicious-activity',\n",
" ],\n",
" rank=5,\n",
" toxicity=8,\n",
" pattern='[file:hashes.\\'SHA-256\\' = \\'ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c\\']',\n",
" pattern_type='stix',\n",
" valid_from='2014-02-20T09:00:00.000000Z',\n",
" extensions={\n",
" TOPLEVEL_EXTENSION_DEFINITION_ID : {\n",
" 'extension_type': 'toplevel-property-extension',\n",
" },\n",
" }\n",
")\n",
"\n",
"print(indicator.serialize(pretty=True))"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Using CustomObservable for Extension Definition\n",
"\n",
"Similarly, when registering new objects via `@CustomObservable` you can pass the `extension-definition` id that defines this new SCO. \n",
"\n",
"---\n",
"**Note:**\n",
"Creating an instance of an extension-definition object **does not** mean it is registered in the library. Please use the appropriate decorator for this step: `@CustomExtension`, `@CustomObject`, `@CustomObservable`, `@CustomMarking`\n",
"\n",
"---"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"data": {
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"span.linenos { color: #000000; background-color: #f0f0f0; padding: 0 5px 0 5px; }\n",
"td.linenos pre.special { color: #000000; background-color: #ffffc0; padding: 0 5px 0 5px; }\n",
"span.linenos.special { color: #000000; background-color: #ffffc0; padding: 0 5px 0 5px; }\n",
".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",
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".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",
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".highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */\n",
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".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;my-favorite-sco&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;spec_version&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2.1&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;my-favorite-sco--f9dbe89c-0030-4a9d-8b78-0dcd0a0de874&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;name&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;This is the name of my favorite SCO&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;some_network_protocol_field&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;value&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;extensions&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension-definition--150c1738-28c9-44d0-802d-70523218240b&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension_type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;new-sco&quot;</span>\n",
" <span class=\"p\">}</span>\n",
" <span class=\"p\">}</span>\n",
"<span class=\"p\">}</span>\n",
"</pre></div>\n"
],
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"<IPython.core.display.HTML object>"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"@stix2.v21.CustomObservable(\n",
" 'my-favorite-sco', [\n",
" ('name', stix2.properties.StringProperty(required=True)),\n",
" ('some_network_protocol_field', stix2.properties.StringProperty(required=True)),\n",
" ], ['name', 'some_network_protocol_field'], 'extension-definition--150c1738-28c9-44d0-802d-70523218240b',\n",
")\n",
"class MyFavSCO:\n",
" pass\n",
"\n",
"my_favorite_sco = MyFavSCO(\n",
" id='my-favorite-sco--f9dbe89c-0030-4a9d-8b78-0dcd0a0de874',\n",
" name='This is the name of my favorite SCO',\n",
" some_network_protocol_field='value',\n",
")\n",
"\n",
"print(my_favorite_sco.serialize(pretty=True))"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Using CustomMarking for Extension Definition\n",
"\n",
"The example below shows the use for MarkingDefinition extensions. Currently this is only supported as a `property-extension`. Now, as another option to building the `extensions` as a dictionary, it can also be built with objects as shown below by extracting the registered class."
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
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".highlight .hll { background-color: #ffffcc }\n",
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".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;marking-definition&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;spec_version&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2.1&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;marking-definition--28417f9f-1963-4e7f-914d-233f8fd4829f&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2021-03-31T21:54:46.652069Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;name&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;This is the name of my favorite Marking&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;extensions&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension-definition--a932fcc6-e032-176c-126f-cb970a5a1fff&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension_type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;property-extension&quot;</span>\n",
" <span class=\"p\">}</span>\n",
" <span class=\"p\">}</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": [
"from stix2 import registry\n",
"\n",
"MARKING_EXTENSION_ID = 'extension-definition--a932fcc6-e032-176c-126f-cb970a5a1fff'\n",
"\n",
"@stix2.v21.CustomMarking(\n",
" 'my-favorite-marking', [\n",
" ('some_marking_field', stix2.properties.StringProperty(required=True)),\n",
" ], MARKING_EXTENSION_ID,\n",
")\n",
"class MyFavMarking:\n",
" pass\n",
"\n",
"ext_class = registry.class_for_type(MARKING_EXTENSION_ID, '2.1')\n",
"\n",
"my_favorite_marking = MyFavMarking(\n",
" name='This is the name of my favorite Marking',\n",
" extensions={\n",
" MARKING_EXTENSION_ID: ext_class(some_marking_field='value')\n",
" }\n",
")\n",
"\n",
"print(my_favorite_marking.serialize(pretty=True))"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Using CustomObject for Extension Definition\n",
"\n",
"Similar to the examples above, the same can be done for SDOs and SROs."
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"data": {
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".highlight .ne { color: #D2413A; font-weight: bold } /* Name.Exception */\n",
".highlight .nf { color: #0000FF } /* Name.Function */\n",
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".highlight .nn { color: #0000FF; font-weight: bold } /* Name.Namespace */\n",
".highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */\n",
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".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",
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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><span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;my-favorite-sro&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;spec_version&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2.1&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;my-favorite-sro--d6306d62-c08d-4d78-baf7-11e7a4c9bc36&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2021-03-31T22:43:42.807698Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;modified&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2021-03-31T22:43:42.807698Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;name&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;My First SRO&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;some_source_ref&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;identity--b1da8c3e-34d8-470f-9d2b-392e275f1f7d&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;some_target_ref&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;identity--1ddfed54-e8cd-49c9-9c7d-8d1b03c94685&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;extensions&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension-definition--e96690a5-dc13-4f27-99dd-0f2188ad74ce&quot;</span><span class=\"p\">:</span> <span class=\"p\">{</span>\n",
" <span class=\"nt\">&quot;extension_type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;new-sro&quot;</span>\n",
" <span class=\"p\">}</span>\n",
" <span class=\"p\">}</span>\n",
"<span class=\"p\">}</span>\n",
"</pre></div>\n"
],
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"<IPython.core.display.HTML object>"
]
},
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"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"invalid_refs = ['bundle', 'language-content', 'marking-definition', 'relationship', 'sighting', 'foobar']\n",
"\n",
"@stix2.v21.CustomObject(\n",
" 'my-favorite-sro', [\n",
" ('name', stix2.properties.StringProperty(required=False)),\n",
" ('some_source_ref', stix2.properties.ReferenceProperty(invalid_types=invalid_refs, spec_version='2.1', required=True)),\n",
" ('some_target_ref', stix2.properties.ReferenceProperty(invalid_types=invalid_refs, spec_version='2.1', required=True)),\n",
" ], extension_name='extension-definition--e96690a5-dc13-4f27-99dd-0f2188ad74ce', is_sdo=False,\n",
")\n",
"class MyFavSRO:\n",
" pass\n",
"\n",
"\n",
"my_favorite_sro = MyFavSRO(\n",
" name=\"My First SRO\",\n",
" some_source_ref=\"identity--b1da8c3e-34d8-470f-9d2b-392e275f1f7d\",\n",
" some_target_ref=\"identity--1ddfed54-e8cd-49c9-9c7d-8d1b03c94685\",\n",
")\n",
"\n",
"print(my_favorite_sro.serialize(pretty=True))"
]
}
],
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}
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