/
CrowdStrike_OAuth_API_Identifier_Activity_Analysis.json
617 lines (617 loc) · 27.7 KB
/
CrowdStrike_OAuth_API_Identifier_Activity_Analysis.json
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{
"blockly": false,
"blockly_xml": "<xml></xml>",
"category": "Identifier Activity Analysis",
"coa": {
"data": {
"description": "Accepts a file_hash or domain name, and asks CrowdStrike for a list of device IDs that have interacted with each. The list of IDs is then sent back to Crowdstrike to get more information, and then produces a normalized output and summary table.",
"edges": [
{
"id": "port_0_to_port_2",
"sourceNode": "0",
"sourcePort": "0_out",
"targetNode": "2",
"targetPort": "2_in"
},
{
"conditions": [
{
"index": 0
}
],
"id": "port_2_to_port_3",
"sourceNode": "2",
"sourcePort": "2_out",
"targetNode": "3",
"targetPort": "3_in"
},
{
"conditions": [
{
"index": 1
}
],
"id": "port_2_to_port_4",
"sourceNode": "2",
"sourcePort": "2_out",
"targetNode": "4",
"targetPort": "4_in"
},
{
"id": "port_3_to_port_5",
"sourceNode": "3",
"sourcePort": "3_out",
"targetNode": "5",
"targetPort": "5_in"
},
{
"id": "port_4_to_port_6",
"sourceNode": "4",
"sourcePort": "4_out",
"targetNode": "6",
"targetPort": "6_in"
},
{
"id": "port_7_to_port_9",
"sourceNode": "7",
"sourcePort": "7_out",
"targetNode": "9",
"targetPort": "9_in"
},
{
"id": "port_8_to_port_10",
"sourceNode": "8",
"sourcePort": "8_out",
"targetNode": "10",
"targetPort": "10_in"
},
{
"id": "port_9_to_port_1",
"sourceNode": "9",
"sourcePort": "9_out",
"targetNode": "1",
"targetPort": "1_in"
},
{
"id": "port_10_to_port_1",
"sourceNode": "10",
"sourcePort": "10_out",
"targetNode": "1",
"targetPort": "1_in"
},
{
"conditions": [
{
"index": 0
}
],
"id": "port_5_to_port_12",
"sourceNode": "5",
"sourcePort": "5_out",
"targetNode": "12",
"targetPort": "12_in"
},
{
"conditions": [
{
"index": 0
}
],
"id": "port_6_to_port_13",
"sourceNode": "6",
"sourcePort": "6_out",
"targetNode": "13",
"targetPort": "13_in"
},
{
"id": "port_12_to_port_7",
"sourceNode": "12",
"sourcePort": "12_out",
"targetNode": "7",
"targetPort": "7_in"
},
{
"id": "port_13_to_port_8",
"sourceNode": "13",
"sourcePort": "13_out",
"targetNode": "8",
"targetPort": "8_in"
}
],
"hash": "c7b9d2b5a1844c8132fdec3f304241600cc45526",
"nodes": {
"0": {
"data": {
"advanced": {
"join": []
},
"functionName": "on_start",
"id": "0",
"type": "start"
},
"errors": {},
"id": "0",
"type": "start",
"warnings": {},
"x": 190,
"y": -5.115907697472721e-13
},
"1": {
"data": {
"advanced": {
"join": []
},
"functionName": "on_finish",
"id": "1",
"type": "end"
},
"errors": {},
"id": "1",
"type": "end",
"warnings": {},
"x": 190,
"y": 1100
},
"10": {
"data": {
"advanced": {
"customName": "build domain output",
"customNameId": 0,
"description": "First constructs a list of devices based upon details returned in previous actions, and then appends that list to the observable object which includes the context in which that list makes any sense",
"join": [],
"note": "Create Observable output for parent playbook"
},
"functionId": 2,
"functionName": "build_domain_output",
"id": "10",
"inputParameters": [
"hunt_domain:action_result.parameter.domain",
"get_systems_from_domain:action_result.data",
"hunt_domain:action_result.summary.device_count"
],
"outputVariables": [
"observable_array"
],
"type": "code"
},
"errors": {},
"id": "10",
"type": "code",
"userCode": "\n\n build_domain_output__observable_array = []\n device_list = []\n indicator = hunt_domain_parameter_domain[0]\n count = hunt_domain_summary_device_count[0]\n \n # Build devices list\n for item in get_systems_from_domain_result_item_0:\n \n # if AIDs that no longer exist saw the artifact, they can still \n # be included in the middle of the hunt response, but will return\n # empty-ish objects from the `get system info` action, so we need\n # to length check them\n \n if len(item) > 0:\n device = item[0]\n device_filtered = {\n \"name\": device['hostname'],\n \"id\": device['device_id'],\n \"ip_address\": device['local_ip'],\n \"operating_system\": device['os_version']\n }\n device_list.append(device_filtered)\n \n \n # Build observable object\n observable_array = {\n \"value\": indicator,\n \"type\": \"domain\",\n \"total_count\": len(device_list),\n \"source\": \"Crowdstrike OAuth\",\n \"identifier_activity\": device_list\n }\n \n build_domain_output__observable_array.append(observable_array)\n",
"warnings": {},
"x": 340,
"y": 960
},
"12": {
"data": {
"action": "get system info",
"actionType": "investigate",
"advanced": {
"customName": "get systems from file",
"customNameId": 0,
"join": [],
"note": "Queries Crowdstrike for details about each of the agent IDs returned by the original query"
},
"connector": "CrowdStrike OAuth API",
"connectorConfigs": [
"crowdstrike_oauth_api"
],
"connectorId": "ae971ba5-3117-444a-8ac5-6ce779f3a232",
"connectorVersion": "v1",
"functionId": 1,
"functionName": "get_systems_from_file",
"id": "12",
"parameters": {
"id": "filtered-data:file_results_filter:condition_1:hunt_file:action_result.data.*.device_id"
},
"requiredParameters": [
{
"data_type": "string",
"field": "id"
}
],
"type": "action"
},
"errors": {},
"id": "12",
"type": "action",
"warnings": {},
"x": 0,
"y": 660
},
"13": {
"data": {
"action": "get system info",
"actionType": "investigate",
"advanced": {
"customName": "get systems from domain",
"customNameId": 0,
"join": [],
"note": "Queries Crowdstrike for details about each of the agent IDs returned by the original query"
},
"connector": "CrowdStrike OAuth API",
"connectorConfigs": [
"crowdstrike_oauth_api"
],
"connectorId": "ae971ba5-3117-444a-8ac5-6ce779f3a232",
"connectorVersion": "v1",
"functionId": 2,
"functionName": "get_systems_from_domain",
"id": "13",
"parameters": {
"id": "filtered-data:domain_results_filter:condition_1:hunt_domain:action_result.data.*.device_id"
},
"requiredParameters": [
{
"data_type": "string",
"field": "id"
}
],
"tab": "byAction",
"type": "action"
},
"errors": {},
"id": "13",
"type": "action",
"warnings": {},
"x": 340,
"y": 660
},
"2": {
"data": {
"advanced": {
"customName": "input filter",
"customNameId": 0,
"description": "Routing by indicator type",
"join": [],
"note": "Routing by indicator type"
},
"conditions": [
{
"comparisons": [
{
"conditionIndex": 0,
"op": "!=",
"param": "playbook_input:file",
"value": "None"
}
],
"conditionIndex": 0,
"customName": "file hash",
"logic": "and"
},
{
"comparisons": [
{
"conditionIndex": 1,
"op": "!=",
"param": "playbook_input:domain",
"value": "None"
}
],
"conditionIndex": 1,
"customName": "domain",
"logic": "and"
}
],
"functionId": 1,
"functionName": "input_filter",
"id": "2",
"type": "filter"
},
"errors": {},
"id": "2",
"type": "filter",
"warnings": {
"config": [
"Reconfigure invalid datapath."
]
},
"x": 230,
"y": 148
},
"3": {
"data": {
"action": "hunt file",
"actionType": "investigate",
"advanced": {
"customName": "hunt file",
"customNameId": 0,
"join": [],
"note": "Queries Crowdstrike for presence of hash within last 30 days"
},
"connector": "CrowdStrike OAuth API",
"connectorConfigs": [
"crowdstrike_oauth_api"
],
"connectorId": "ae971ba5-3117-444a-8ac5-6ce779f3a232",
"connectorVersion": "v1",
"functionId": 1,
"functionName": "hunt_file",
"id": "3",
"parameters": {
"hash": "filtered-data:input_filter:condition_1:playbook_input:file",
"limit": "1000"
},
"requiredParameters": [
{
"data_type": "string",
"field": "hash"
},
{
"data_type": "numeric",
"default": 100,
"field": "limit"
}
],
"type": "action"
},
"errors": {},
"id": "3",
"type": "action",
"warnings": {},
"x": 0,
"y": 320
},
"4": {
"data": {
"action": "hunt domain",
"actionType": "investigate",
"advanced": {
"customName": "hunt domain",
"customNameId": 0,
"join": [],
"note": "Queries Crowdstrike for presence of domain within last 30 days"
},
"connector": "CrowdStrike OAuth API",
"connectorConfigs": [
"crowdstrike_oauth_api"
],
"connectorId": "ae971ba5-3117-444a-8ac5-6ce779f3a232",
"connectorVersion": "v1",
"functionId": 1,
"functionName": "hunt_domain",
"id": "4",
"parameters": {
"domain": "filtered-data:input_filter:condition_2:playbook_input:domain",
"limit": "1000"
},
"requiredParameters": [
{
"data_type": "numeric",
"default": 100,
"field": "limit"
},
{
"data_type": "string",
"field": "domain"
}
],
"type": "action"
},
"errors": {},
"id": "4",
"type": "action",
"warnings": {},
"x": 340,
"y": 320
},
"5": {
"data": {
"advanced": {
"customName": "file results filter",
"customNameId": 0,
"description": "Only proceed if there are results",
"join": [],
"note": "Only proceed if there are results"
},
"conditions": [
{
"comparisons": [
{
"conditionIndex": 0,
"op": ">",
"param": "hunt_file:action_result.summary.device_count",
"value": "0"
}
],
"conditionIndex": 0,
"customName": "devices found",
"logic": "and"
}
],
"functionId": 2,
"functionName": "file_results_filter",
"id": "5",
"type": "filter"
},
"errors": {},
"id": "5",
"type": "filter",
"warnings": {},
"x": 60,
"y": 476
},
"6": {
"data": {
"advanced": {
"customName": "domain results filter",
"customNameId": 0,
"description": "Only proceed if there are results",
"join": [],
"note": "Only proceed if there are results"
},
"conditions": [
{
"comparisons": [
{
"conditionIndex": 0,
"op": ">",
"param": "hunt_domain:action_result.summary.device_count",
"value": "0"
}
],
"conditionIndex": 0,
"customName": "devices found",
"logic": "and"
}
],
"functionId": 3,
"functionName": "domain_results_filter",
"id": "6",
"type": "filter"
},
"errors": {},
"id": "6",
"type": "filter",
"warnings": {},
"x": 400,
"y": 480
},
"7": {
"data": {
"advanced": {
"customName": "format report file",
"customNameId": 0,
"join": [],
"note": "Create Markdown report for parent playbook to output"
},
"functionId": 1,
"functionName": "format_report_file",
"id": "7",
"parameters": [
"hunt_file:action_result.parameter.hash",
"get_systems_from_file:action_result.data.*.hostname",
"get_systems_from_file:action_result.data.*.local_ip",
"get_systems_from_file:action_result.data.*.os_version",
"get_systems_from_file:action_result.parameter.id"
],
"template": "SOAR searched for occurrences of `{0}` within your environment using CrowdStrike. The table below shows a summary of the information gathered.\n\n| File | Computer | Last IP Address | OS | CrowdStrike AID | Source |\n| --- | --- | --- | --- | --- | --- |\n%%\n| `{0}` | {1} | {2} | {3} | {4} | CrowdStrike OAuth API |\n%%\n\n",
"type": "format"
},
"errors": {},
"id": "7",
"type": "format",
"warnings": {},
"x": 0,
"y": 800
},
"8": {
"data": {
"advanced": {
"customName": "format report domain",
"customNameId": 0,
"join": [],
"note": "Create Markdown report for parent playbook to output"
},
"functionId": 2,
"functionName": "format_report_domain",
"id": "8",
"parameters": [
"hunt_domain:action_result.parameter.domain",
"get_systems_from_domain:action_result.data.*.hostname",
"get_systems_from_domain:action_result.data.*.local_ip",
"get_systems_from_domain:action_result.data.*.os_version",
"get_systems_from_domain:action_result.parameter.id"
],
"template": "SOAR searched for occurrences of `{0}` within your environment using CrowdStrike. The table below shows a summary of the information gathered.\n\n| Domain | Computer | Last IP Address | OS | CrowdStrike AID | Source |\n| --- | --- | --- | --- | --- | --- |\n%%\n| `{0}` | {1} | {2} | {3} | {4} | CrowdStrike OAuth API |\n%%\n",
"type": "format"
},
"errors": {},
"id": "8",
"type": "format",
"warnings": {},
"x": 340,
"y": 804
},
"9": {
"data": {
"advanced": {
"customName": "build file output",
"customNameId": 0,
"description": "First constructs a list of devices based upon details returned in previous actions, and then appends that list to the observable object which includes the context in which that list makes any sense",
"join": [],
"note": "Create Observable output for parent playbook"
},
"functionId": 1,
"functionName": "build_file_output",
"id": "9",
"inputParameters": [
"hunt_file:action_result.parameter.hash",
"get_systems_from_file:action_result.data",
"hunt_file:action_result.summary.device_count"
],
"outputVariables": [
"observable_array"
],
"type": "code"
},
"errors": {},
"id": "9",
"type": "code",
"userCode": "\n\n build_file_output__observable_array = []\n device_list = []\n indicator = hunt_file_parameter_hash[0]\n count = hunt_file_summary_device_count[0]\n \n # if AIDs that no longer exist saw the artifact, they can still \n # be included in the middle of the hunt response, but will return\n # empty-ish objects from the `get system info` action, so we need\n # to length check them\n \n # Build devices list\n for item in get_systems_from_file_result_item_0:\n if len(item) > 0:\n device = item[0]\n device_filtered = {\n \"name\": device['hostname'],\n \"id\": device['device_id'],\n \"ip_address\": device['local_ip'],\n \"operating_system\": device['os_version']\n }\n device_list.append(device_filtered)\n \n \n # Build observable object\n observable_array = {\n \"value\": indicator,\n \"type\": \"file\",\n \"total_count\": len(device_list),\n \"source\": \"Crowdstrike OAuth\",\n \"identifier_activity\": device_list\n }\n \n build_file_output__observable_array.append(observable_array)\n",
"warnings": {},
"x": 0,
"y": 960
}
},
"notes": "Inputs: file, domain\nInteractions: CrowdStrike OAuth API\nActions: hunt file, hunt domain, get system info\nOutputs: observable, markdown report"
},
"input_spec": [
{
"contains": [
"hash"
],
"description": "A file hash to look for within your Crowdstrike protected environment",
"name": "file"
},
{
"contains": [
"domain"
],
"description": "A domain to look for within your Crowdstrike protected environment",
"name": "domain"
}
],
"output_spec": [
{
"contains": [],
"datapaths": [
"build_file_output:custom_function:observable_array",
"build_domain_output:custom_function:observable_array"
],
"deduplicate": false,
"description": "",
"metadata": {},
"name": "observable"
},
{
"contains": [],
"datapaths": [
"format_report_file:formatted_data",
"format_report_domain:formatted_data"
],
"deduplicate": false,
"description": "",
"metadata": {},
"name": "markdown_report"
}
],
"playbook_type": "data",
"python_version": "3",
"schema": "5.0.9",
"version": "6.0.0.114895"
},
"create_time": "2023-05-04T18:53:22.783269+00:00",
"draft_mode": false,
"labels": [
"*"
],
"tags": [
"identifier_activity",
"file_hash",
"domain",
"crowdstrike_oauth_api",
"D3-IAA"
]
}