mirror of
https://github.com/MISP/misp-galaxy.git
synced 2024-11-22 14:57:18 +00:00
229 lines
8.6 KiB
Python
229 lines
8.6 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
#
|
|
# A simple convertor script to generate galaxies from the MITRE NICE framework
|
|
# https://niccs.cisa.gov/workforce-development/nice-framework
|
|
# Copyright (C) 2024 Jean-Louis Huynen
|
|
# Copyright (C) 2024 Déborah Servili
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as
|
|
# published by the Free Software Foundation, either version 3 of the
|
|
# License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import pdb
|
|
import requests
|
|
import json
|
|
import os
|
|
import uuid
|
|
import re
|
|
from bs4 import BeautifulSoup
|
|
|
|
# uuidv4 generated to be concatenated in v5: 43803a9f-9ea6-4ebc-9cb5-68ccdc2c23e0
|
|
|
|
galaxy = {
|
|
"namespace": "first",
|
|
"type": "first-csirt-services-framework",
|
|
"name": "FIRST CSIRT Services Framework",
|
|
"description": "The Computer Security Incident Response Team (CSIRT) Services Framework is a high-level document describing in a structured way a collection of cyber security services and associated functions that Computer Security Incident Response Teams and other teams providing incident management related services may provide",
|
|
"uuid": "4a72488f-ef5b-4895-a5d9-c625dee663cb",
|
|
"version": 1,
|
|
"icon": 'user',
|
|
}
|
|
|
|
cluster = {
|
|
'authors': ["FIRST", "CIRCL", "Jean-Louis Huynen"],
|
|
'category': 'csirt',
|
|
"type": "first-csirt-services-framework",
|
|
"name": "FIRST CSIRT Services Framework",
|
|
"description": "The Computer Security Incident Response Team (CSIRT) Services Framework is a high-level document describing in a structured way a collection of cyber security services and associated functions that Computer Security Incident Response Teams and other teams providing incident management related services may provide",
|
|
"uuid": "4a72488f-ef5b-4895-a5d9-c625dee663cb",
|
|
'source': 'https://www.first.org/standards/frameworks/csirts/csirt_services_framework_v2.1',
|
|
'values': [],
|
|
'version': 1,
|
|
}
|
|
|
|
# URL to download
|
|
url = "https://www.first.org/standards/frameworks/csirts/csirt_services_framework_v2.1#5-Service-Area-Information-Security-Event-Management"
|
|
|
|
# Send a GET request to the webpage
|
|
response = requests.get(url)
|
|
|
|
def extract_nostrong_content(element):
|
|
content = element.find_next_siblings('p', limit=3)
|
|
extracted = {}
|
|
|
|
extracted["purpose"] = content[0].text.strip()[8:]
|
|
for sibling in content[0].find_next_siblings():
|
|
if "Description:" in sibling.text:
|
|
break
|
|
extracted["purpose"] += f" {sibling.text.strip()}"
|
|
|
|
extracted["description"] = content[1].text.strip()[12:]
|
|
for sibling in content[1].find_next_siblings():
|
|
if "Outcome:" in sibling.text:
|
|
break
|
|
extracted["description"] += f" {sibling.text.strip()}"
|
|
|
|
extracted["outcome"] = content[2].text.strip()[8:]
|
|
for sibling in content[2].find_next_siblings():
|
|
if sibling.name in ["h2", "h3", "h4"] or any(substring in sibling.text for substring in ["The following functions", "List of functions"]):
|
|
break
|
|
extracted["outcome"] += f" {sibling.text.strip()}"
|
|
return extracted
|
|
|
|
def extract_content(element):
|
|
content = {}
|
|
description_title = element.find_next(
|
|
"em", string=lambda text: "Description:" in text
|
|
)
|
|
purpose_title = element.find_next("em", string=lambda text: "Purpose:" in text)
|
|
outcome_title = element.find_next("em", string=lambda text: "Outcome:" in text)
|
|
|
|
content["purpose"] = (
|
|
purpose_title.parent.parent.get_text(strip=True).replace("Purpose:", "").strip()
|
|
)
|
|
for sibling in purpose_title.parent.parent.find_next_siblings():
|
|
if "Description:" in sibling.text:
|
|
break
|
|
content["purpose"] += f" {sibling.text.strip()}"
|
|
|
|
content["description"] = (
|
|
description_title.parent.parent.get_text(strip=True)
|
|
.replace("Description:", "")
|
|
.strip()
|
|
)
|
|
|
|
for sibling in description_title.parent.parent.find_next_siblings():
|
|
if "Outcome:" in sibling.text:
|
|
break
|
|
content["description"] += f" {sibling.text.strip()}"
|
|
|
|
content["outcome"] = (
|
|
outcome_title.parent.parent.get_text(strip=True).replace("Outcome:", "").strip()
|
|
)
|
|
for sibling in outcome_title.parent.parent.find_next_siblings():
|
|
if sibling.name in ["h2", "h3", "h4"] or any(substring in sibling.text for substring in ["The following functions", "List of functions"]):
|
|
break
|
|
content["outcome"] += f" {sibling.text.strip()}"
|
|
content["outcome"] = content["outcome"].split("The following functions")[0].strip()
|
|
return content
|
|
|
|
|
|
def remove_heading(input_string):
|
|
return re.sub(r'^\d+(\.\d+)*\s+', '', input_string)
|
|
|
|
# Check if the request was successful
|
|
if response.status_code == 200:
|
|
# Parse the page content with BeautifulSoup
|
|
soup = BeautifulSoup(response.content, 'html.parser')
|
|
|
|
# Removing all links <a>
|
|
for a in soup.find_all('a', href=True):
|
|
if a['href'].startswith('#'):
|
|
a.decompose()
|
|
|
|
# Extract the section titled "4 CSIRT Services Framework Structure"
|
|
section_header = soup.find(
|
|
'h2', id="5-Service-Area-Information-Security-Event-Management"
|
|
)
|
|
if section_header:
|
|
|
|
services = section_header.find_next_siblings('h3')
|
|
functions = section_header.find_next_siblings('h4')
|
|
|
|
for service in services:
|
|
if "Monitoring and detection" in service.text:
|
|
content = extract_nostrong_content(service)
|
|
else:
|
|
content = extract_content(service)
|
|
name = remove_heading(service.text.strip())
|
|
suuid = str(
|
|
uuid.uuid5(uuid.UUID("43803a9f-9ea6-4ebc-9cb5-68ccdc2c23e0"), name)
|
|
)
|
|
cluster["values"].append(
|
|
{
|
|
"description": content["description"],
|
|
"meta": {
|
|
"purpose": content["purpose"],
|
|
"outcome": content["outcome"],
|
|
},
|
|
"uuid": suuid,
|
|
"value": name,
|
|
"related": [],
|
|
}
|
|
)
|
|
|
|
for function in functions:
|
|
content = extract_content(function)
|
|
# get the parent service
|
|
parent_service = function.find_previous('h3')
|
|
relationship = {
|
|
"dest-uuid": str(
|
|
uuid.uuid5(
|
|
uuid.UUID("43803a9f-9ea6-4ebc-9cb5-68ccdc2c23e0"),
|
|
remove_heading(parent_service.text.strip()),
|
|
)
|
|
),
|
|
"type": "part-of",
|
|
}
|
|
|
|
name = remove_heading(function.text.strip())
|
|
|
|
cluster["values"].append(
|
|
{
|
|
"description": content["description"],
|
|
"meta": {
|
|
"purpose": content["purpose"],
|
|
"outcome": content["outcome"],
|
|
},
|
|
"uuid": str(
|
|
uuid.uuid5(
|
|
uuid.UUID("43803a9f-9ea6-4ebc-9cb5-68ccdc2c23e0"), name
|
|
)
|
|
),
|
|
"value": name,
|
|
"related": [relationship],
|
|
}
|
|
)
|
|
|
|
with open(
|
|
os.path.join(
|
|
os.path.dirname(__file__),
|
|
'..',
|
|
'galaxies',
|
|
f'first-csirt-services-framework.json',
|
|
),
|
|
'w',
|
|
) as f:
|
|
json.dump(galaxy, f, indent=2, sort_keys=True, ensure_ascii=False)
|
|
f.write(
|
|
'\n'
|
|
) # only needed for the beauty and to be compliant with jq_all_the_things
|
|
|
|
with open(
|
|
os.path.join(
|
|
os.path.dirname(__file__),
|
|
'..',
|
|
'clusters',
|
|
f'first-csirt-services-framework.json',
|
|
),
|
|
'w',
|
|
) as f:
|
|
json.dump(cluster, f, indent=2, sort_keys=True, ensure_ascii=False)
|
|
f.write(
|
|
'\n'
|
|
) # only needed for the beauty and to be compliant with jq_all_the_things
|
|
|
|
else:
|
|
print("Couldn't find the section header.")
|
|
else:
|
|
print(f"Failed to download the webpage. Status code: {response.status_code}")
|