""" Accepts a hostname or device id as well as a file path as input and restores the file from the File Vault to 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. """ import phantom.rules as phantom import json from datetime import datetime, timedelta @phantom.playbook_block() def on_start(container): phantom.debug('on_start() called') # call 'input_filter' block input_filter(container=container) return @phantom.playbook_block() def input_filter(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("input_filter() called") ################################################################################ # Determines if the provided inputs are present in the dataset. ################################################################################ # collect filtered artifact ids and results for 'if' condition 1 matched_artifacts_1, matched_results_1 = phantom.condition( container=container, logical_operator="and", conditions=[ ["playbook_input:device", "!=", ""], ["playbook_input:file", "!=", ""] ], name="input_filter:condition_1", delimiter=None) # call connected blocks if filtered artifacts or results if matched_artifacts_1 or matched_results_1: format_fql(action=action, success=success, container=container, results=results, handle=handle, filtered_artifacts=matched_artifacts_1, filtered_results=matched_results_1) return @phantom.playbook_block() def host_observables(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("host_observables() called") ################################################################################ # Format a normalized output for each host ################################################################################ create_session_result_data = phantom.collect2(container=container, datapath=["create_session:action_result.parameter.device_id"], action_results=results) query_device_result_data = phantom.collect2(container=container, datapath=["query_device:action_result.data.*.hostname"], action_results=results) run_admin_command_put_result_data = phantom.collect2(container=container, datapath=["run_admin_command_put:action_result.parameter.data","run_admin_command_put:action_result.status","run_admin_command_put:action_result.message"], action_results=results) run_admin_command_cd_result_data = phantom.collect2(container=container, datapath=["run_admin_command_cd:action_result.parameter.data"], action_results=results) create_session_parameter_device_id = [item[0] for item in create_session_result_data] query_device_result_item_0 = [item[0] for item in query_device_result_data] run_admin_command_put_parameter_data = [item[0] for item in run_admin_command_put_result_data] run_admin_command_put_result_item_1 = [item[1] for item in run_admin_command_put_result_data] run_admin_command_put_result_message = [item[2] for item in run_admin_command_put_result_data] run_admin_command_cd_parameter_data = [item[0] for item in run_admin_command_cd_result_data] host_observables__observable_array = None ################################################################################ ## Custom Code Start ################################################################################ host_observables__observable_array = [] for device_id, hostname, file_name, file_path, status, status_message in zip(create_session_parameter_device_id, query_device_result_item_0, run_admin_command_put_parameter_data, run_admin_command_cd_parameter_data, run_admin_command_put_result_item_1, run_admin_command_put_result_message): # Initialize the observable dictionary observable = { "source": "Crowdstrike OAuth API", "type": "Endpoint", "activity_name": "File Restore", "uid": device_id, "hostname": hostname, "status": status, "status_detail": status_message, "file_artifacts": { "name": file_name, "path": file_path }, "d3fend": { "d3f_tactic": "Restore", "d3f_technique": "D3-RF", "version": "1.0.0" } } # Add the observable to the array host_observables__observable_array.append(observable) # Debug output for verification phantom.debug(host_observables__observable_array) ################################################################################ ## Custom Code End ################################################################################ phantom.save_run_data(key="host_observables:observable_array", value=json.dumps(host_observables__observable_array)) return @phantom.playbook_block() def format_fql(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("format_fql() called") ################################################################################ # Format the FQL query to get the input device information using its ID or hostname. ################################################################################ template = """%%\nhostname:['{0}'],device_id:['{0}']\n%%""" # parameter list for template variable replacement parameters = [ "playbook_input:device" ] ################################################################################ ## Custom Code Start ################################################################################ # Write your custom code here... ################################################################################ ## Custom Code End ################################################################################ phantom.format(container=container, template=template, parameters=parameters, name="format_fql") query_device(container=container) return @phantom.playbook_block() def query_device(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("query_device() called") # phantom.debug('Action: {0} {1}'.format(action['name'], ('SUCCEEDED' if success else 'FAILED'))) ################################################################################ # Get information about the device using its hostname or device id. ################################################################################ format_fql__as_list = phantom.get_format_data(name="format_fql__as_list") parameters = [] # build parameters list for 'query_device' call for format_fql__item in format_fql__as_list: parameters.append({ "limit": 50, "filter": format_fql__item, }) ################################################################################ ## Custom Code Start ################################################################################ # Write your custom code here... ################################################################################ ## Custom Code End ################################################################################ phantom.act("query device", parameters=parameters, name="query_device", assets=["crowdstrike_oauth_api"], callback=filter_file_artifacts_0) return @phantom.playbook_block() def format_file_restore_report(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("format_file_restore_report() called") ################################################################################ # Format a summary table with the information gathered from the playbook. ################################################################################ template = """Endpoint Files were restored by Splunk SOAR. The table below summarizes the information gathered.\n\n| Device ID | File Path | Restore Status |\n| --- | --- | --- |\n%%\n| {0} | {1} | {2} |\n%%""" # parameter list for template variable replacement parameters = [ "query_device:action_result.data.*.device_id", "run_admin_command_put:action_result.parameter.data", "run_admin_command_put:action_result.status" ] ################################################################################ ## Custom Code Start ################################################################################ # Write your custom code here... ################################################################################ ## Custom Code End ################################################################################ phantom.format(container=container, template=template, parameters=parameters, name="format_file_restore_report") host_observables(container=container) return @phantom.playbook_block() def create_session(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("create_session() called") # phantom.debug('Action: {0} {1}'.format(action['name'], ('SUCCEEDED' if success else 'FAILED'))) ################################################################################ # Creates a Real Time Response (RTR) session to interact with the endpoint ################################################################################ query_device_result_data = phantom.collect2(container=container, datapath=["query_device:action_result.data.*.device_id","query_device:action_result.parameter.context.artifact_id"], action_results=results) parameters = [] # build parameters list for 'create_session' call for query_device_result_item in query_device_result_data: if query_device_result_item[0] is not None: parameters.append({ "device_id": query_device_result_item[0], "context": {'artifact_id': query_device_result_item[1]}, }) ################################################################################ ## Custom Code Start ################################################################################ # Write your custom code here... ################################################################################ ## Custom Code End ################################################################################ phantom.act("create session", parameters=parameters, name="create_session", assets=["crowdstrike_oauth_api"], callback=run_admin_command_cd) return @phantom.playbook_block() def delete_session(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("delete_session() called") # phantom.debug('Action: {0} {1}'.format(action['name'], ('SUCCEEDED' if success else 'FAILED'))) ################################################################################ # Closes a Real Time Response (RTR) session to interact with the endpoint ################################################################################ create_session_result_data = phantom.collect2(container=container, datapath=["create_session:action_result.summary.session_id","create_session:action_result.parameter.context.artifact_id"], action_results=results) parameters = [] # build parameters list for 'delete_session' call for create_session_result_item in create_session_result_data: if create_session_result_item[0] is not None: parameters.append({ "session_id": create_session_result_item[0], "context": {'artifact_id': create_session_result_item[1]}, }) ################################################################################ ## Custom Code Start ################################################################################ # Write your custom code here... ################################################################################ ## Custom Code End ################################################################################ phantom.act("delete session", parameters=parameters, name="delete_session", assets=["crowdstrike_oauth_api"], callback=format_file_restore_report) return @phantom.playbook_block() def run_admin_command_put(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("run_admin_command_put() called") # phantom.debug('Action: {0} {1}'.format(action['name'], ('SUCCEEDED' if success else 'FAILED'))) ################################################################################ # Run the put admin command via Real Time Response (RTR) ################################################################################ container_artifact_data = phantom.collect2(container=container, datapath=["artifact:*.cef.fileName","artifact:*.id"]) query_device_result_data = phantom.collect2(container=container, datapath=["query_device:action_result.data.*.device_id","query_device:action_result.parameter.context.artifact_id"], action_results=results) create_session_result_data = phantom.collect2(container=container, datapath=["create_session:action_result.summary.session_id","create_session:action_result.parameter.context.artifact_id"], action_results=results) parameters = [] # build parameters list for 'run_admin_command_put' call for container_artifact_item in container_artifact_data: for query_device_result_item in query_device_result_data: for create_session_result_item in create_session_result_data: if query_device_result_item[0] is not None and create_session_result_item[0] is not None: parameters.append({ "data": container_artifact_item[0], "command": "put", "device_id": query_device_result_item[0], "session_id": create_session_result_item[0], "context": {'artifact_id': create_session_result_item[1]}, }) ################################################################################ ## Custom Code Start ################################################################################ # Write your custom code here... ################################################################################ ## Custom Code End ################################################################################ phantom.act("run admin command", parameters=parameters, name="run_admin_command_put", assets=["crowdstrike_oauth_api"], callback=delete_session) return @phantom.playbook_block() def filter_file_artifacts_0(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("filter_file_artifacts_0() called") ################################################################################ # Filter to ensure the requested file to restore was found in the vent artifacts. # This playbook assumes the file to restore has been previously collected by # the CrowdStrike_OAuth_API_File_Collection input playbook. # ################################################################################ # collect filtered artifact ids and results for 'if' condition 1 matched_artifacts_1, matched_results_1 = phantom.condition( container=container, logical_operator="and", conditions=[ ["artifact:*.label", "==", "collected_file"], ["playbook_input:file", "in", "artifact:*.cef.fileName"] ], name="filter_file_artifacts_0:condition_1", delimiter=None) # call connected blocks if filtered artifacts or results if matched_artifacts_1 or matched_results_1: upload_put_file(action=action, success=success, container=container, results=results, handle=handle, filtered_artifacts=matched_artifacts_1, filtered_results=matched_results_1) return @phantom.playbook_block() def upload_put_file(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("upload_put_file() called") # phantom.debug('Action: {0} {1}'.format(action['name'], ('SUCCEEDED' if success else 'FAILED'))) ################################################################################ # Upload the file to restore from the SOAR Vault to Crowdstrike. ################################################################################ filtered_artifact_0_data_filter_file_artifacts_0 = phantom.collect2(container=container, datapath=["filtered-data:filter_file_artifacts_0:condition_1:artifact:*.cef.vaultId","filtered-data:filter_file_artifacts_0:condition_1:artifact:*.cef.fileName","filtered-data:filter_file_artifacts_0:condition_1:artifact:*.id"]) parameters = [] # build parameters list for 'upload_put_file' call for filtered_artifact_0_item_filter_file_artifacts_0 in filtered_artifact_0_data_filter_file_artifacts_0: if filtered_artifact_0_item_filter_file_artifacts_0[0] is not None: parameters.append({ "comment": "File restored from Splunk SOAR", "vault_id": filtered_artifact_0_item_filter_file_artifacts_0[0], "file_name": filtered_artifact_0_item_filter_file_artifacts_0[1], "description": "File restored from Splunk SOAR via the CrowdStrike_OAuth_API_File_Restore playbook.", "context": {'artifact_id': filtered_artifact_0_item_filter_file_artifacts_0[2]}, }) ################################################################################ ## Custom Code Start ################################################################################ # Write your custom code here... ################################################################################ ## Custom Code End ################################################################################ phantom.act("upload put file", parameters=parameters, name="upload_put_file", assets=["crowdstrike_oauth_api"], callback=create_session) return @phantom.playbook_block() def run_admin_command_cd(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, loop_state_json=None, **kwargs): phantom.debug("run_admin_command_cd() called") # phantom.debug('Action: {0} {1}'.format(action['name'], ('SUCCEEDED' if success else 'FAILED'))) ################################################################################ # Run the cd admin command via Real Time Response (RTR) to set the working directory # properly for the following put command. ################################################################################ filtered_artifact_0_data_filter_file_artifacts_0 = phantom.collect2(container=container, datapath=["filtered-data:filter_file_artifacts_0:condition_1:artifact:*.cef.filePath","filtered-data:filter_file_artifacts_0:condition_1:artifact:*.id"]) query_device_result_data = phantom.collect2(container=container, datapath=["query_device:action_result.data.*.device_id","query_device:action_result.parameter.context.artifact_id"], action_results=results) create_session_result_data = phantom.collect2(container=container, datapath=["create_session:action_result.summary.session_id","create_session:action_result.parameter.context.artifact_id"], action_results=results) parameters = [] # build parameters list for 'run_admin_command_cd' call for filtered_artifact_0_item_filter_file_artifacts_0 in filtered_artifact_0_data_filter_file_artifacts_0: for query_device_result_item in query_device_result_data: for create_session_result_item in create_session_result_data: if query_device_result_item[0] is not None and create_session_result_item[0] is not None: parameters.append({ "data": filtered_artifact_0_item_filter_file_artifacts_0[0], "command": "cd", "device_id": query_device_result_item[0], "session_id": create_session_result_item[0], "context": {'artifact_id': create_session_result_item[1]}, }) ################################################################################ ## Custom Code Start ################################################################################ # Write your custom code here... ################################################################################ ## Custom Code End ################################################################################ phantom.act("run admin command", parameters=parameters, name="run_admin_command_cd", assets=["crowdstrike_oauth_api"], callback=run_admin_command_put) return @phantom.playbook_block() def on_finish(container, summary): phantom.debug("on_finish() called") format_file_restore_report = phantom.get_format_data(name="format_file_restore_report") host_observables__observable_array = json.loads(_ if (_ := phantom.get_run_data(key="host_observables:observable_array")) != "" else "null") # pylint: disable=used-before-assignment output = { "observable": host_observables__observable_array, "markdown_report": format_file_restore_report, } ################################################################################ ## Custom Code Start ################################################################################ # Write your custom code here... ################################################################################ ## Custom Code End ################################################################################ phantom.save_playbook_output_data(output=output) return