Add Data Markings documentation (Jupyter)

stix2.1
Chris Lenk 2017-09-15 13:14:54 -04:00
parent efe6912890
commit b9a4580a2e
2 changed files with 608 additions and 0 deletions

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# Sphinx documentation
docs/_build/
.ipynb_checkpoints
# PyBuilder
target/

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{
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": true
},
"outputs": [],
"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": "markdown",
"metadata": {},
"source": [
"## Data Markings"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Creating Objects With Data Markings\n",
"\n",
"To create an object with a (predefined) TLP marking to an object, just provide it as a keyword argument to the constructor. The TLP markings can easily be imported from python-stix2."
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\n",
" \"type\": \"indicator\",\n",
" \"id\": \"indicator--e459c8d7-09aa-41c5-968d-66bf8610687e\",\n",
" \"created\": \"2017-09-15T16:32:04.495Z\",\n",
" \"modified\": \"2017-09-15T16:32:04.495Z\",\n",
" \"labels\": [\n",
" \"malicious-activity\"\n",
" ],\n",
" \"pattern\": \"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" \"valid_from\": \"2017-09-15T16:32:04.495379Z\",\n",
" \"object_marking_refs\": [\n",
" \"marking-definition--f88d31f6-486f-44da-b317-01333bde0b82\"\n",
" ]\n",
"}\n"
]
}
],
"source": [
"from stix2 import Indicator, TLP_AMBER\n",
"\n",
"indicator = Indicator(labels=[\"malicious-activity\"],\n",
" pattern=\"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" object_marking_refs=TLP_AMBER)\n",
"print(indicator)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"If youre creating your own marking (for example, a ``Statement`` marking), first create the statement marking:"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\n",
" \"type\": \"marking-definition\",\n",
" \"id\": \"marking-definition--674e3f0f-8547-41df-80b4-784eb4c5b4d0\",\n",
" \"created\": \"2017-09-15T16:32:07.947008Z\",\n",
" \"definition_type\": \"statement\",\n",
" \"definition\": {\n",
" \"statement\": \"Copyright 2017, Example Corp\"\n",
" }\n",
"}\n"
]
}
],
"source": [
"from stix2 import MarkingDefinition, StatementMarking\n",
"\n",
"marking_definition = MarkingDefinition( \n",
" definition_type=\"statement\", \n",
" definition=StatementMarking(statement=\"Copyright 2017, Example Corp\")\n",
")\n",
"print(marking_definition)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Then you can add it to an object as its being created (passing either full object or the the ID as a keyword argument, like with relationships)."
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\n",
" \"type\": \"indicator\",\n",
" \"id\": \"indicator--06eea9e3-ea6d-418b-a517-4b1fff96f4aa\",\n",
" \"created\": \"2017-09-15T16:32:10.859Z\",\n",
" \"modified\": \"2017-09-15T16:32:10.859Z\",\n",
" \"labels\": [\n",
" \"malicious-activity\"\n",
" ],\n",
" \"pattern\": \"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" \"valid_from\": \"2017-09-15T16:32:10.859197Z\",\n",
" \"object_marking_refs\": [\n",
" \"marking-definition--674e3f0f-8547-41df-80b4-784eb4c5b4d0\"\n",
" ]\n",
"}\n"
]
}
],
"source": [
"indicator2 = Indicator(labels=[\"malicious-activity\"],\n",
" pattern=\"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" object_marking_refs=marking_definition)\n",
"print(indicator2)"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\n",
" \"type\": \"indicator\",\n",
" \"id\": \"indicator--94457e6e-4282-4355-8f2a-a59be2192b31\",\n",
" \"created\": \"2017-09-15T16:32:13.322Z\",\n",
" \"modified\": \"2017-09-15T16:32:13.322Z\",\n",
" \"labels\": [\n",
" \"malicious-activity\"\n",
" ],\n",
" \"pattern\": \"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" \"valid_from\": \"2017-09-15T16:32:13.322982Z\",\n",
" \"object_marking_refs\": [\n",
" \"marking-definition--f88d31f6-486f-44da-b317-01333bde0b82\"\n",
" ]\n",
"}\n"
]
}
],
"source": [
"indicator3 = Indicator(labels=[\"malicious-activity\"],\n",
" pattern=\"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" object_marking_refs=\"marking-definition--f88d31f6-486f-44da-b317-01333bde0b82\")\n",
"print(indicator3)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Granular markings work in the same way, except you also need to provide a full granular-marking object (including the selector)."
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\n",
" \"type\": \"malware\",\n",
" \"id\": \"malware--c91e0491-ea7f-46e4-85cd-90004da16b8a\",\n",
" \"created\": \"2017-09-15T16:32:15.801Z\",\n",
" \"modified\": \"2017-09-15T16:32:15.801Z\",\n",
" \"name\": \"Poison Ivy\",\n",
" \"description\": \"A ransomware related to ...\",\n",
" \"labels\": [\n",
" \"remote-access-trojan\"\n",
" ],\n",
" \"granular_markings\": [\n",
" {\n",
" \"marking_ref\": \"marking-definition--674e3f0f-8547-41df-80b4-784eb4c5b4d0\",\n",
" \"selectors\": [\n",
" \"description\"\n",
" ]\n",
" },\n",
" {\n",
" \"marking_ref\": \"marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9\",\n",
" \"selectors\": [\n",
" \"name\"\n",
" ]\n",
" }\n",
" ]\n",
"}\n"
]
}
],
"source": [
"from stix2 import Malware, TLP_WHITE\n",
"\n",
"malware = Malware(name=\"Poison Ivy\",\n",
" labels=['remote-access-trojan'],\n",
" description=\"A ransomware related to ...\",\n",
" granular_markings=[\n",
" {\n",
" \"selectors\": [\"description\"],\n",
" \"marking_ref\": marking_definition\n",
" },\n",
" {\n",
" \"selectors\": [\"name\"],\n",
" \"marking_ref\": TLP_WHITE\n",
" }\n",
" ])\n",
"print(malware)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Make sure that the selector is a field that exists and is populated on the object, otherwise this will cause an error:"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [
{
"ename": "InvalidSelectorError",
"evalue": "Selector title in Malware is not valid!",
"output_type": "error",
"traceback": [
"\u001b[0;31mInvalidSelectorError\u001b[0m\u001b[0;31m:\u001b[0m Selector title in Malware is not valid!\n"
]
}
],
"source": [
"Malware(name=\"Poison Ivy\",\n",
" labels=['remote-access-trojan'],\n",
" description=\"A ransomware related to ...\",\n",
" granular_markings=[\n",
" {\n",
" \"selectors\": [\"title\"],\n",
" \"marking_ref\": marking_definition\n",
" }\n",
" ])"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Adding Data Markings To Existing Objects"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Both object markings and granular markings can also be added to STIX objects which have already been created. Doing so will create a new version of the object (note the updated ``modified`` time)."
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\n",
" \"type\": \"indicator\",\n",
" \"id\": \"indicator--e459c8d7-09aa-41c5-968d-66bf8610687e\",\n",
" \"created\": \"2017-09-15T16:32:04.495Z\",\n",
" \"modified\": \"2017-09-15T16:51:40.883Z\",\n",
" \"labels\": [\n",
" \"malicious-activity\"\n",
" ],\n",
" \"pattern\": \"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" \"valid_from\": \"2017-09-15T16:32:04.495379Z\",\n",
" \"object_marking_refs\": [\n",
" \"marking-definition--674e3f0f-8547-41df-80b4-784eb4c5b4d0\",\n",
" \"marking-definition--f88d31f6-486f-44da-b317-01333bde0b82\"\n",
" ]\n",
"}\n"
]
}
],
"source": [
"from stix2.markings import add_markings\n",
"\n",
"indicator4 = add_markings(indicator, marking_definition.id)\n",
"print(indicator4)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"You can also remove specific markings from STIX objects. This will also create a new version of the object."
]
},
{
"cell_type": "code",
"execution_count": 21,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\n",
" \"type\": \"indicator\",\n",
" \"id\": \"indicator--e459c8d7-09aa-41c5-968d-66bf8610687e\",\n",
" \"created\": \"2017-09-15T16:32:04.495Z\",\n",
" \"modified\": \"2017-09-15T16:59:35.160Z\",\n",
" \"labels\": [\n",
" \"malicious-activity\"\n",
" ],\n",
" \"pattern\": \"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" \"valid_from\": \"2017-09-15T16:32:04.495379Z\",\n",
" \"object_marking_refs\": [\n",
" \"marking-definition--f88d31f6-486f-44da-b317-01333bde0b82\"\n",
" ]\n",
"}\n"
]
}
],
"source": [
"from stix2.markings import remove_markings\n",
"\n",
"indicator5 = remove_markings(indicator4, marking_definition.id)\n",
"print(indicator5)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"The markings on an object can be replaced with a different set of markings:"
]
},
{
"cell_type": "code",
"execution_count": 22,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\n",
" \"type\": \"indicator\",\n",
" \"id\": \"indicator--e459c8d7-09aa-41c5-968d-66bf8610687e\",\n",
" \"created\": \"2017-09-15T16:32:04.495Z\",\n",
" \"modified\": \"2017-09-15T16:59:42.906Z\",\n",
" \"labels\": [\n",
" \"malicious-activity\"\n",
" ],\n",
" \"pattern\": \"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" \"valid_from\": \"2017-09-15T16:32:04.495379Z\",\n",
" \"object_marking_refs\": [\n",
" \"marking-definition--674e3f0f-8547-41df-80b4-784eb4c5b4d0\",\n",
" \"marking-definition--34098fce-860f-48ae-8e50-ebd3cc5e41da\"\n",
" ]\n",
"}\n"
]
}
],
"source": [
"from stix2 import TLP_GREEN\n",
"from stix2.markings import set_markings\n",
"\n",
"indicator6 = set_markings(indicator5, [TLP_GREEN.id, marking_definition.id])\n",
"print(indicator6)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"STIX objects can also be cleared of all markings:"
]
},
{
"cell_type": "code",
"execution_count": 23,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\n",
" \"type\": \"indicator\",\n",
" \"id\": \"indicator--e459c8d7-09aa-41c5-968d-66bf8610687e\",\n",
" \"created\": \"2017-09-15T16:32:04.495Z\",\n",
" \"modified\": \"2017-09-15T17:04:48.386Z\",\n",
" \"labels\": [\n",
" \"malicious-activity\"\n",
" ],\n",
" \"pattern\": \"[file:hashes.md5 = 'd41d8cd98f00b204e9800998ecf8427e']\",\n",
" \"valid_from\": \"2017-09-15T16:32:04.495379Z\"\n",
"}\n"
]
}
],
"source": [
"from stix2.markings import clear_markings\n",
"\n",
"indicator7 = clear_markings(indicator5)\n",
"print(indicator7)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"All of these functions can be used for granular markings by passing in a list of selectors. Note that they will create new versions of the objects."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Evaluating Data Markings\n",
"\n",
"You can get a list of the object markings on a STIX object:"
]
},
{
"cell_type": "code",
"execution_count": 24,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"['marking-definition--674e3f0f-8547-41df-80b4-784eb4c5b4d0',\n",
" 'marking-definition--34098fce-860f-48ae-8e50-ebd3cc5e41da']"
]
},
"execution_count": 24,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from stix2.markings import get_markings\n",
"\n",
"get_markings(indicator6)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"You can also get a list of granular markings by passing a list of selectors to ``get_markings``:"
]
},
{
"cell_type": "code",
"execution_count": 25,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"['marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9']"
]
},
"execution_count": 25,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"get_markings(malware, 'name')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"You can also check if an object is marked by a specific markings. Again, for granular markings, pass in the selector or list of selectors."
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 11,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from stix2.markings import is_marked\n",
"\n",
"is_marked(indicator, TLP_AMBER.id)"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 13,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"is_marked(malware, TLP_WHITE.id, 'name')"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {
"scrolled": true
},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 14,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"is_marked(malware, TLP_WHITE.id, 'description')"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 2",
"language": "python",
"name": "python2"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.12"
}
},
"nbformat": 4,
"nbformat_minor": 2
}