alternate/modified script to generate first csirt services framework galaxy

This commit is contained in:
Delta-Sierra 2024-08-30 09:45:34 +02:00
parent 1be0094cb4
commit 2e6fe8ea16
2 changed files with 278 additions and 50 deletions

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tools/gen_csf_alt.py Normal file
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#!/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
#
# 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}")