CrowdStrike_OAuth_API_Executable_Denylisting.json

{
    "blockly": false,
    "blockly_xml": "<xml></xml>",
    "category": "Executable Denylisting",
    "coa": {
        "data": {
            "description": "Accepts a hostname or device id as well as a file hash as input and add an indicator (IOC) for a device in Crowdstrike. We then generate an observable report as well as a Markdown formatted report. Both reports can be customized based on user preference.",
            "edges": [
                {
                    "id": "port_0_to_port_2",
                    "sourceNode": "0",
                    "sourcePort": "0_out",
                    "targetNode": "2",
                    "targetPort": "2_in"
                },
                {
                    "id": "port_5_to_port_1",
                    "sourceNode": "5",
                    "sourcePort": "5_out",
                    "targetNode": "1",
                    "targetPort": "1_in"
                },
                {
                    "conditions": [
                        {
                            "index": 0
                        }
                    ],
                    "id": "port_2_to_port_7",
                    "sourceNode": "2",
                    "sourcePort": "2_out",
                    "targetNode": "7",
                    "targetPort": "7_in"
                },
                {
                    "id": "port_7_to_port_8",
                    "sourceNode": "7",
                    "sourcePort": "7_out",
                    "targetNode": "8",
                    "targetPort": "8_in"
                },
                {
                    "id": "port_9_to_port_5",
                    "sourceNode": "9",
                    "sourcePort": "9_out",
                    "targetNode": "5",
                    "targetPort": "5_in"
                },
                {
                    "id": "port_8_to_port_18",
                    "sourceNode": "8",
                    "sourcePort": "8_out",
                    "targetNode": "18",
                    "targetPort": "18_in"
                },
                {
                    "id": "port_18_to_port_9",
                    "sourceNode": "18",
                    "sourcePort": "18_out",
                    "targetNode": "9",
                    "targetPort": "9_in"
                }
            ],
            "hash": "7505d40f9e5d889d81302b51e4d2f10f2d245c5f",
            "nodes": {
                "0": {
                    "data": {
                        "advanced": {
                            "join": []
                        },
                        "functionName": "on_start",
                        "id": "0",
                        "type": "start"
                    },
                    "errors": {},
                    "id": "0",
                    "type": "start",
                    "warnings": {},
                    "x": 19.999999999999986,
                    "y": -1.9184653865522705e-13
                },
                "1": {
                    "data": {
                        "advanced": {
                            "join": []
                        },
                        "functionName": "on_finish",
                        "id": "1",
                        "type": "end"
                    },
                    "errors": {},
                    "id": "1",
                    "type": "end",
                    "warnings": {},
                    "x": 19.999999999999986,
                    "y": 1196
                },
                "18": {
                    "data": {
                        "action": "upload indicator",
                        "actionType": "contain",
                        "advanced": {
                            "customName": "upload indicator",
                            "customNameId": 0,
                            "description": "Upload indicator that we want CrowdStrike to prevent and watch for all platforms.",
                            "join": [],
                            "note": "Upload indicator that we want CrowdStrike to prevent and watch for all platforms."
                        },
                        "connector": "CrowdStrike OAuth API",
                        "connectorConfigs": [
                            "crowdstrike_oauth_api"
                        ],
                        "connectorId": "ae971ba5-3117-444a-8ac5-6ce779f3a232",
                        "connectorVersion": "v1",
                        "functionId": 1,
                        "functionName": "upload_indicator",
                        "id": "18",
                        "loop": {
                            "enabled": false,
                            "exitAfterUnit": "m",
                            "exitAfterValue": 10,
                            "exitConditionEnabled": false,
                            "exitLoopAfter": 2,
                            "pauseUnit": "m",
                            "pauseValue": 2
                        },
                        "parameters": {
                            "action": "prevent",
                            "description": "File Indicator blocked from Splunk SOAR",
                            "ioc": "filtered-data:input_filter:condition_1:playbook_input:hash",
                            "platforms": "linux,mac,windows",
                            "severity": "MEDIUM",
                            "source": "IOC uploaded via Splunk SOAR"
                        },
                        "requiredParameters": [
                            {
                                "data_type": "string",
                                "field": "ioc"
                            },
                            {
                                "data_type": "string",
                                "field": "action"
                            },
                            {
                                "data_type": "string",
                                "default": "IOC uploaded via Splunk SOAR",
                                "field": "source"
                            },
                            {
                                "data_type": "string",
                                "field": "platforms"
                            }
                        ],
                        "tab": "byAction",
                        "type": "action"
                    },
                    "errors": {},
                    "id": "18",
                    "type": "action",
                    "warnings": {},
                    "x": 1.4210854715202004e-14,
                    "y": 680
                },
                "2": {
                    "data": {
                        "advanced": {
                            "customName": "input filter",
                            "customNameId": 0,
                            "description": "Determines if the provided inputs are present in the dataset.",
                            "join": [],
                            "note": "Determines if the provided inputs are present in the dataset."
                        },
                        "conditions": [
                            {
                                "comparisons": [
                                    {
                                        "conditionIndex": 0,
                                        "op": "!=",
                                        "param": "playbook_input:device",
                                        "value": ""
                                    },
                                    {
                                        "conditionIndex": 0,
                                        "op": "!=",
                                        "param": "playbook_input:hash",
                                        "value": ""
                                    }
                                ],
                                "conditionIndex": 0,
                                "customName": "input device and hash present",
                                "logic": "and"
                            }
                        ],
                        "functionId": 1,
                        "functionName": "input_filter",
                        "id": "2",
                        "type": "filter"
                    },
                    "errors": {},
                    "id": "2",
                    "type": "filter",
                    "warnings": {},
                    "x": 60,
                    "y": 148
                },
                "5": {
                    "customCode": null,
                    "data": {
                        "advanced": {
                            "customName": "file observables",
                            "customNameId": 0,
                            "description": "Format a normalized output for each host",
                            "join": [],
                            "note": "Format a normalized output for each host."
                        },
                        "functionId": 1,
                        "functionName": "file_observables",
                        "id": "5",
                        "inputParameters": [
                            "query_device:action_result.data.*.device_id",
                            "query_device:action_result.data.*.hostname",
                            "filtered-data:input_filter:condition_1:playbook_input:hash",
                            "upload_indicator:action_result.status",
                            "upload_indicator:action_result.message"
                        ],
                        "outputVariables": [
                            "observable_array"
                        ],
                        "type": "code"
                    },
                    "errors": {},
                    "id": "5",
                    "type": "code",
                    "userCode": "    \n    file_observables__observable_array = []\n    \n    for device_id, hostname, file_hash, status, status_message in zip(query_device_result_item_0, query_device_result_item_1, filtered_input_0_hash_values, upload_indicator_result_item_0, upload_indicator_result_message):\n        # Initialize the observable dictionary\n        observable = {\n            \"source\": \"Crowdstrike OAuth API\",\n            \"type\": \"Endpoint\",\n            \"activity_name\": \"File Execution Prevention\",\n            \"uid\": device_id,\n            \"hostname\": hostname,\n            \"status\": status,\n            \"status_detail\": status_message,\n            \"file\": {\n                \"hashes\": [\n                    {\n                        \"algorithm\": \"SHA-256\",\n                        \"algorithm_id\": 3,\n                        \"value\": file_hash \n                    }\n                ]\n            },\n            \"d3fend\": {\n                \"d3f_tactic\": \"Isolate\",\n                \"d3f_technique\": \"D3-EDL\",\n                \"version\": \"1.0.0\"\n            }\n        }   \n\n        # Add the observable to the array\n        file_observables__observable_array.append(observable)\n    \n    # Debug output for verification\n    phantom.debug(file_observables__observable_array)\n    \n",
                    "warnings": {},
                    "x": 1.4210854715202004e-14,
                    "y": 1020
                },
                "7": {
                    "data": {
                        "advanced": {
                            "customName": "format fql",
                            "customNameId": 0,
                            "description": "Format the FQL query to get the input device information using its ID or hostname.",
                            "join": [],
                            "note": "Format the FQL query to get the input device information using its ID or hostname."
                        },
                        "functionId": 2,
                        "functionName": "format_fql",
                        "id": "7",
                        "parameters": [
                            "playbook_input:device"
                        ],
                        "template": "%%\nhostname:['{0}'],device_id:['{0}']\n%%",
                        "type": "format"
                    },
                    "errors": {},
                    "id": "7",
                    "type": "format",
                    "warnings": {},
                    "x": 1.4210854715202004e-14,
                    "y": 320
                },
                "8": {
                    "data": {
                        "action": "query device",
                        "actionType": "investigate",
                        "advanced": {
                            "customName": "query device",
                            "customNameId": 0,
                            "description": "Get information about the device to unquarantine using its hostname or device id.",
                            "join": [],
                            "note": "Get information about the device to unquarantine using its hostname or device id."
                        },
                        "connector": "CrowdStrike OAuth API",
                        "connectorConfigs": [
                            "crowdstrike_oauth_api"
                        ],
                        "connectorId": "ae971ba5-3117-444a-8ac5-6ce779f3a232",
                        "connectorVersion": "v1",
                        "functionId": 1,
                        "functionName": "query_device",
                        "id": "8",
                        "loop": {
                            "enabled": false,
                            "exitAfterUnit": "m",
                            "exitAfterValue": 10,
                            "exitConditionEnabled": false,
                            "exitLoopAfter": 2,
                            "pauseUnit": "m",
                            "pauseValue": 2
                        },
                        "parameters": {
                            "filter": "format_fql:formatted_data.*",
                            "limit": 50
                        },
                        "requiredParameters": [
                            {
                                "data_type": "numeric",
                                "default": 50,
                                "field": "limit"
                            }
                        ],
                        "type": "action"
                    },
                    "errors": {},
                    "id": "8",
                    "type": "action",
                    "warnings": {},
                    "x": 1.4210854715202004e-14,
                    "y": 504
                },
                "9": {
                    "data": {
                        "advanced": {
                            "customName": "format executable denylisting report",
                            "customNameId": 0,
                            "description": "Format a summary table with the information gathered from the playbook.",
                            "join": [],
                            "note": "Format a summary table with the information gathered from the playbook."
                        },
                        "functionId": 3,
                        "functionName": "format_executable_denylisting_report",
                        "id": "9",
                        "parameters": [
                            "query_device:action_result.data.*.device_id",
                            "filtered-data:input_filter:condition_1:playbook_input:hash",
                            "upload_indicator:action_result.parameter.action",
                            "upload_indicator:action_result.status",
                            "upload_indicator:action_result.message"
                        ],
                        "template": "Endpoint Files were denylisted by Splunk SOAR. The table below summarizes the information gathered.\n\n| Device ID | Executable Hash | Action | Denylisting Status | Message |\n| --- | --- | --- | --- | --- |\n%%\n| {0} | {1} | {2} | {3} | {4} |\n%%",
                        "type": "format"
                    },
                    "errors": {},
                    "id": "9",
                    "type": "format",
                    "warnings": {},
                    "x": 1.4210854715202004e-14,
                    "y": 828
                }
            },
            "notes": "Inputs: \ndevice (CrowdStrike Device ID or Hostname)\nhash (SHA-256 File hash)\nInteractions: CrowdStrike OAuth API\nActions: query device,  upload indicator\nOutputs: observables, markdown report",
            "origin": {
                "playbook_id": 232,
                "playbook_name": "CrowdStrike_OAuth_API_File_Eviction",
                "playbook_repo_id": 2,
                "playbook_repo_name": "local"
            }
        },
        "input_spec": [
            {
                "contains": [
                    "host name"
                ],
                "description": "Device ID or hostname of the host to deny a file on",
                "name": "device"
            },
            {
                "contains": [
                    "sha256"
                ],
                "description": "Hash of the executable file on the endpoint to deny",
                "name": "hash"
            }
        ],
        "output_spec": [
            {
                "contains": [],
                "datapaths": [
                    "file_observables:custom_function:observable_array"
                ],
                "deduplicate": false,
                "description": "An array of observable dictionaries",
                "metadata": {},
                "name": "observable"
            },
            {
                "contains": [],
                "datapaths": [
                    "format_executable_denylisting_report:formatted_data"
                ],
                "deduplicate": false,
                "description": "A report of the devices that were isolated via Splunk SOAR.",
                "metadata": {},
                "name": "markdown_report"
            }
        ],
        "playbook_trigger": "artifact_created",
        "playbook_type": "data",
        "python_version": "3.13",
        "schema": "5.0.15",
        "version": "6.3.1.178"
    },
    "create_time": "2025-04-09T12:54:45.902287+00:00",
    "draft_mode": false,
    "labels": [
        "*"
    ],
    "tags": [
        "CrowdStrike_OAuth_API",
        "host name",
        "D3-EDL",
        "file_hash",
        "response_option"
    ]
}