cti-python-stix2/docs/guide/serializing.ipynb

415 lines
24 KiB
Plaintext

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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",
" 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\n",
"from pygments.formatters import HtmlFormatter\n",
"from IPython.display import HTML\n",
"\n",
"original_print = print\n",
"\n",
"def json_print(inpt):\n",
" string = str(inpt)\n",
" if string[0] == '{':\n",
" formatter = HtmlFormatter()\n",
" return HTML('<style type=\"text/css\">{}</style>{}'.format(\n",
" formatter.get_style_defs('.highlight'),\n",
" highlight(string, JsonLexer(), formatter)))\n",
" else:\n",
" original_print(inpt)\n",
"\n",
"print = json_print"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Serializing STIX Objects"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"The string representation of all STIX classes is a valid STIX JSON object."
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
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".highlight .se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */\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",
".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;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;indicator--85773ceb-c768-45f6-bb04-b4d813809e48&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2018-03-13T19:49:53.392Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;modified&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2018-03-13T19:49:53.392Z&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 malware variant&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;pattern&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;[file:hashes.md5 = &#39;d41d8cd98f00b204e9800998ecf8427e&#39;]&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;valid_from&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2018-03-13T19:49:53.392627Z&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=\"p\">}</span>\n",
"</pre></div>\n"
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"<IPython.core.display.HTML object>"
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"source": [
"from stix2 import Indicator\n",
"\n",
"indicator = Indicator(name=\"File hash for malware variant\",\n",
" labels=[\"malicious-activity\"],\n",
" pattern=\"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\")\n",
"\n",
"print(str(indicator))"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"However, the string representation can be slow, as it sorts properties to be in a more readable order. If you need performance and don't care about the human-readability of the output, use the object's `serialize()` function:"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
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".highlight .nc { color: #0000FF; font-weight: bold } /* Name.Class */\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",
".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",
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".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><span class=\"nt\">&quot;name&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;File hash for malware variant&quot;</span><span class=\"p\">,</span> <span class=\"nt\">&quot;labels&quot;</span><span class=\"p\">:</span> <span class=\"p\">[</span><span class=\"s2\">&quot;malicious-activity&quot;</span><span class=\"p\">],</span> <span class=\"nt\">&quot;pattern&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;[file:hashes.md5 = &#39;d41d8cd98f00b204e9800998ecf8427e&#39;]&quot;</span><span class=\"p\">,</span> <span class=\"nt\">&quot;type&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;indicator&quot;</span><span class=\"p\">,</span> <span class=\"nt\">&quot;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;indicator--85773ceb-c768-45f6-bb04-b4d813809e48&quot;</span><span class=\"p\">,</span> <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2018-03-13T19:49:53.392Z&quot;</span><span class=\"p\">,</span> <span class=\"nt\">&quot;modified&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2018-03-13T19:49:53.392Z&quot;</span><span class=\"p\">,</span> <span class=\"nt\">&quot;valid_from&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2018-03-13T19:49:53.392627Z&quot;</span><span class=\"p\">}</span>\n",
"</pre></div>\n"
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"metadata": {},
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}
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"print(indicator.serialize())"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"If you need performance but also need human-readable output, you can pass the `indent` keyword argument to `serialize()`:"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
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{
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".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;name&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;File hash for malware variant&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;pattern&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;[file:hashes.md5 = &#39;d41d8cd98f00b204e9800998ecf8427e&#39;]&quot;</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;id&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;indicator--85773ceb-c768-45f6-bb04-b4d813809e48&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;created&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2018-03-13T19:49:53.392Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;modified&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2018-03-13T19:49:53.392Z&quot;</span><span class=\"p\">,</span>\n",
" <span class=\"nt\">&quot;valid_from&quot;</span><span class=\"p\">:</span> <span class=\"s2\">&quot;2018-03-13T19:49:53.392627Z&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": [
"print(indicator.serialize(indent=4))"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"The only difference between this and the string representation from using `str()` is that this will not sort the keys. This works because the keyword arguments are passed to `json.dumps()` internally."
]
}
],
"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",
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