Update Cuckoo module to support files and URLs

pull/291/head
Ricardo van Zutphen 3 years ago
parent e243edb503
commit 49acb53745
  1. 149
      misp_modules/modules/expansion/cuckoo_submit.py

@ -1,56 +1,143 @@
import base64
import io
import json
import logging
import requests
import sys
import urllib.parse
import zipfile
misperrors = {'error': 'Error'}
from requests.exceptions import RequestException
log = logging.getLogger('cuckoo_submit')
log.setLevel(logging.DEBUG)
sh = logging.StreamHandler(sys.stdout)
sh.setLevel(logging.DEBUG)
fmt = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
sh.setFormatter(fmt)
log.addHandler(sh)
moduleinfo = {
"version": "0.1", 'author': "Evert Kors",
"description": "Submit files and URLs to Cuckoo Sandbox",
"module-type": ["expansion", "hover"]
}
misperrors = {"error": "Error"}
moduleconfig = ["cuckoo_api", "api_key"]
mispattributes = {
'input': ['url'],
'output': ['text']
"input": ["attachment', 'malware-sample", "url", "domain"],
"output": ["text"]
}
# possible module-types: 'expansion', 'hover' or both
moduleinfo = {'version': '1', 'author': 'Evert Kors',
'description': 'MODULE_DESCRIPTION',
'module-type': ['expansion', 'hover']}
# config fields that your code expects from the site admin
moduleconfig = ['cuckoo_api']
class APIKeyError(RequestException):
"""Raised if the Cuckoo API returns a 401. This means no or an invalid
bearer token was supplied."""
pass
class CuckooAPI(object):
def __init__(self, api_url, api_key=""):
self.api_key = api_key
if not api_url.startswith("http"):
api_url = "https://{}".format(api_url)
self.api_url = api_url
def _post_api(self, endpoint, files=None, data={}):
data.update({
"owner": "MISP"
})
try:
response = requests.post(
urllib.parse.urljoin(self.api_url, endpoint),
files=files, data=data,
headers={"Authorization: Bearer {}".format(self.api_key)}
)
except RequestException as e:
log.error("Failed to submit sample to Cuckoo Sandbox. %s", e)
return None
if response.status_code == 401:
raise APIKeyError("Invalid or no Cuckoo Sandbox API key provided")
return response.json()
def create_task(self, filename, fp):
response = self._post_api(
"/tasks/create/file", files={"file": (filename, fp)}
)
if not response:
return False
return response["task_id"]
def create_url(self, url):
response = self._post_api(
"/tasks/create/url", data={"url": url}
)
if not response:
return False
return response["task_id"]
def handler(q=False):
if q is False:
return False
request = json.loads(q)
config = request.get('config')
if config is None:
misperrors['error'] = 'config is missing'
return misperrors
cuck = config.get('cuckoo_api')
if cuck is None:
misperrors['error'] = 'cuckoo api url is missing'
# See if the API URL was provided. The API key is optional, as it can
# be disabled in the Cuckoo API settings.
api_url = request["config"].get("api_url")
api_key = request["config"].get("api_key", "")
if not api_url:
misperrors["error"] = "No Cuckoo API URL provided"
return misperrors
# The url to submit
url = request.get('url')
url = request.get("url") or request.get("domain")
data = request.get("data")
filename = None
if data:
data = base64.b64decode(data)
HEADERS = {"Authorization": "Bearer S4MPL3"}
if "malware-sample" in request:
filename = request.get("malware-sample").split("|", 1)[0]
with zipfile.ZipFile(io.BytesIO(data)) as zipf:
data = zipf.read(zipf.namelist()[0], pwd=b"infected")
urls = [
url
]
elif "attachment" in request:
filename = request.get("attachment")
cuckoo_api = CuckooAPI(api_url=api_url, api_key=api_key)
task_id = None
try:
r = requests.post(
"%s/tasks/create/submit" % (cuck),
headers=HEADERS,
data={"strings": "\n".join(urls)}
)
except Exception as e:
misperrors['error'] = str(e)
if url:
log.debug("Submitting URL to Cuckoo Sandbox %s", api_url)
task_id = cuckoo_api.create_url(url)
elif data and filename:
log.debug("Submitting file to Cuckoo Sandbox %s", api_url)
task_id = cuckoo_api.create_task(
filename=filename, fp=io.BytesIO(data)
)
except APIKeyError as e:
misperrors["error"] = "Failed to submit to Cuckoo: {}".format(e)
return misperrors
if not task_id:
misperrors["error"] = "File or URL submission failed"
return misperrors
r = {'results': [{'types': "text", 'values': "cool"}]}
return r
return {
"results": [
{"types": "text", "values": "Cuckoo task id: {}".format(task_id)}
]
}
def introspection():

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