diff --git a/misp_modules/modules/export_mod/cisco_firesight_manager_ACL_rule_export.py b/misp_modules/modules/export_mod/cisco_firesight_manager_ACL_rule_export.py new file mode 100644 index 0000000..dcb6178 --- /dev/null +++ b/misp_modules/modules/export_mod/cisco_firesight_manager_ACL_rule_export.py @@ -0,0 +1,135 @@ +###################################################### +# # +# Author: Stanislav Klevtsov, Ukraine; Feb 2019. # +# # +# # +# Script was tested on the following configuration: # +# MISP v2.4.90 # +# Cisco Firesight Manager Console v6.2.3 (bld 84) # +# # +###################################################### + +import json +import base64 +import csv +from urllib.parse import quote + +misperrors = {'error': 'Error'} + +moduleinfo = {'version': '1', 'author': 'Stanislav Klevtsov', + 'description': 'Export malicious network activity attributes of the MISP event to Cisco firesight manager block rules', + 'module-type': ['export']} + + +moduleconfig = ['fmc_ip_addr', 'fmc_login', 'fmc_pass', 'domain_id', 'acpolicy_id'] + +fsmapping = {"ip-dst":"dst", "url":"request"} + +mispattributes = {'input':list(fsmapping.keys())} + +# options: event, attribute, event-collection, attribute-collection +inputSource = ['event'] + +outputFileExtension = 'sh' +responseType = 'application/txt' + +# .sh file templates +SH_FILE_HEADER = """#!/bin/sh\n\n""" + +BLOCK_JSON_TMPL = """ +BLOCK_RULE='{{ "action": "BLOCK", "enabled": true, "type": "AccessRule", "name": "{rule_name}", "destinationNetworks": {{ "literals": [ {dst_networks} ] }}, "urls": {{ "literals": [ {urls} ] }}, "newComments": [ "{event_info_comment}" ] }}'\n +""" + +BLOCK_DST_JSON_TMPL = """{{ "type": "Host", "value": "{ipdst}" }} """ +BLOCK_URL_JSON_TMPL = """{{ "type": "Url", "url": "{url}" }} """ + +CURL_ADD_RULE_TMPL = """ +curl -X POST -v -k -H 'Content-Type: application/json' -H \"Authorization: Basic $LOGINPASS_BASE64\" -H \"X-auth-access-token: $ACC_TOKEN\" -i \"https://$FIRESIGHT_IP_ADDR/api/fmc_config/v1/domain/$DOMAIN_ID/policy/accesspolicies/$ACPOLICY_ID/accessrules\" --data \"$BLOCK_RULE\" """ + + +def handler(q=False): + if q is False: + return False + + r = {'results': []} + request = json.loads(q) + + if "config" in request: + config = request["config"] + + #check if config is empty + if not config['fmc_ip_addr']: config['fmc_ip_addr'] = "0.0.0.0" + if not config['fmc_login']: config['fmc_login'] = "login" + if not config['fmc_pass']: config['fmc_pass'] = "password" + if not config['domain_id']: config['domain_id'] = "SET_FIRESIGHT_DOMAIN_ID" + if not config['acpolicy_id']: config['acpolicy_id'] = "SET_FIRESIGHT_ACPOLICY_ID" + + data = request["data"] + output = "" + ipdst = [] + urls = [] + + #populate the ACL rule with attributes + for ev in data: + + event = ev["Attribute"] + event_id = ev["Event"]["id"] + event_info = ev["Event"]["info"] + + for index, attr in enumerate(event): + if attr["to_ids"] is True: + + if attr["type"] in fsmapping: + if attr["type"] in "ip-dst": + ipdst.append(BLOCK_DST_JSON_TMPL.format(ipdst=attr["value"])) + else: + urls.append(BLOCK_URL_JSON_TMPL.format(url=quote(attr["value"], safe='@/:;?&=-_.,+!*'))) + + + #building the .sh file + output += SH_FILE_HEADER + output += "FIRESIGHT_IP_ADDR='" + config['fmc_ip_addr'] + "'\n" + + output += "LOGINPASS_BASE64=`echo -n '" + config['fmc_login'] + ":" + config['fmc_pass'] + "' | base64`\n" + output += "DOMAIN_ID='" + config['domain_id'] + "'\n" + output += "ACPOLICY_ID='" + config['acpolicy_id'] + "'\n\n" + + output += "ACC_TOKEN=`curl -X POST -v -k -sD - -o /dev/null -H \"Authorization: Basic $LOGINPASS_BASE64\" -i \"https://$FIRESIGHT_IP_ADDR/api/fmc_platform/v1/auth/generatetoken\" | grep -i x-auth-acc | sed 's/.*:\\ //g' | tr -d '[:space:]' | tr -d '\\n'`" + "\n" + + output += BLOCK_JSON_TMPL.format(rule_name="misp_event_"+event_id,dst_networks=', '.join(ipdst), urls=', '.join(urls), event_info_comment=event_info) + "\n" + + output += CURL_ADD_RULE_TMPL + # END building the .sh file + + r = {"data":base64.b64encode(output.encode('utf-8')).decode('utf-8')} + return r + + +def introspection(): + modulesetup = {} + try: + responseType + modulesetup['responseType'] = responseType + except NameError: + pass + try: + userConfig + modulesetup['userConfig'] = userConfig + except NameError: + pass + try: + outputFileExtension + modulesetup['outputFileExtension'] = outputFileExtension + except NameError: + pass + try: + inputSource + modulesetup['inputSource'] = inputSource + except NameError: + pass + return modulesetup + + +def version(): + moduleinfo['config'] = moduleconfig + return moduleinfo