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malwarebazaar2MISP.py
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malwarebazaar2MISP.py
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import os
import sys
import requests
from datetime import datetime, timedelta
import zipfile
import rarfile
import base64
import hashlib
import shutil
import logging
from pymisp import PyMISP, MISPEvent
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
MISP_URL = ""
MISP_KEY = ""
MISP_VERIFYCERT = True
VT_URL_V2 = "https://www.virustotal.com/vtapi/v2/file/report"
VT_API_KEY = ""
def get_vt_status(sha256_hash):
params = {
"apikey": VT_API_KEY,
"resource": sha256_hash
}
response = requests.get(VT_URL_V2, params=params)
if response.status_code != 200:
log_message(f"[ERROR] Failed to query VirusTotal for hash {sha256_hash}. HTTP Status: {response.status_code}")
return "Unknown"
vt_data = response.json()
if vt_data.get("response_code") == 1:
positives = vt_data.get("positives", 0)
if positives > 0:
return "Detected"
else:
return "Not Detected"
else:
return "Not Detected"
def display_misp_upload_progress():
ascii_art = r"""
__ __ _ ____
| \/ | | | | _ \
| \ / | __ _| |_ ____ _ _ __ ___| |_) | __ _ ______ _ __ _ _ __
| |\/| |/ _` | \ \ /\ / / _` | '__/ _ \ _ < / _` |_ / _` |/ _` | '__|
| | | | (_| | |\ V V / (_| | | | __/ |_) | (_| |/ / (_| | (_| | |
|_|__|_|\__,_|_| \_/\_/ \__,_|_| \___|____/ \__,_/___\__,_|\__,_|_|
| __ \
| |__) |_ _ _ __ ___ ___ _ __
| ___/ _` | '__/ __|/ _ \ '__|
| | | (_| | | \__ \ __/ |
|_| \__,_|_| |___/\___|_|
"""
print(ascii_art)
def log_message(message, type="[INFO]"):
formatted_message = f"[{type}] {message}"
print(formatted_message)
with open('output.txt', 'a') as out_file:
out_file.write(formatted_message + "\n")
def remove_directory_with_contents(path):
try:
if os.path.exists(path) and os.path.isdir(path):
for root, dirs, files in os.walk(path, topdown=False):
for file in files:
file_path = os.path.join(root, file)
os.remove(file_path)
for dir_name in dirs:
dir_path = os.path.join(root, dir_name)
os.rmdir(dir_path)
os.rmdir(path)
log_message(f"[INFO] Removed directory and its contents: {path}")
else:
log_message(f"[ERROR] Directory {path} doesn't exist or is not a directory!")
except Exception as e:
log_message(f"[ERROR] Failed to remove directory and its contents {path}: {e}")
def download_file(url, destination):
try:
with open(destination, 'wb') as f:
response = requests.get(url, stream=True)
total_length = response.headers.get('content-length')
if total_length is None:
f.write(response.content)
else:
downloaded = 0
total_length = int(total_length)
for data in response.iter_content(chunk_size=4096):
downloaded += len(data)
f.write(data)
done = int(50 * downloaded / total_length)
msg = f"\r[{'#' * done}{'.' * (50-done)}] {downloaded/1024:.2f}MB downloaded"
log_message(msg, type="Verbose")
if response.status_code == 200:
log_message("\n[SUCCESS] File downloaded successfully!")
else:
log_message(f"\n[ERROR] File download failed with status code {response.status_code}!")
return False
except Exception as e:
log_message(f"\n[ERROR] Exception during file download: {e}")
return False
return True
def init_misp():
try:
return PyMISP(MISP_URL, MISP_KEY, MISP_VERIFYCERT)
except Exception as e:
logging.error(f"Failed to initialize MISP connection: {e}")
log_message(f"[ERROR] Failed to initialize MISP connection: {e}")
sys.exit(1)
def create_misp_event(misp):
try:
event = MISPEvent()
event.info = f"Malwarebazaar samples {datetime.now().strftime('%Y-%m-%d')}"
event.distribution = 1
event.threat_level_id = 2
event.analysis = 0
event.add_tag("Malware")
result = misp.add_event(event)
if 'Event' in result:
event_id = result['Event']['id']
log_message(f"[SUCCESS] MISP Event created with ID: {event_id}")
return event_id
else:
log_message("[ERROR] Failed to create MISP Event.")
if 'errors' in result:
for error in result['errors']:
log_message(f"[ERROR] {error}")
return None
except Exception as e:
log_message(f"[ERROR] An unexpected error occurred during MISP event creation: {e}")
return None
def compute_hashes(data):
md5_hash = hashlib.md5(data).hexdigest()
sha1_hash = hashlib.sha1(data).hexdigest()
sha256_hash = hashlib.sha256(data).hexdigest()
return md5_hash, sha1_hash, sha256_hash
def zip_file_and_compute_hashes(file_path):
with open(file_path, 'rb') as f:
original_data = f.read()
md5_original, sha1_original, sha256_original = compute_hashes(original_data)
log_message(f"Calculated Hashes for {file_path} - MD5: {md5_original}, SHA1: {sha1_original}, SHA256: {sha256_original}")
zip_name = file_path + ".zip"
with zipfile.ZipFile(zip_name, 'w') as zipf:
zipf.write(file_path, os.path.basename(file_path))
log_message(f"Zipped {file_path} as {zip_name}")
vt_status = get_vt_status(sha256_original)
formatted_comment = f"VT status: {vt_status}\nMD5: {md5_original}\nSHA1: {sha1_original}\nSHA256: {sha256_original}"
return zip_name, md5_original, sha1_original, sha256_original, formatted_comment
def upload_file_to_misp(misp, event_id, file_path):
zip_name, md5, sha1, sha256, formatted_comment = zip_file_and_compute_hashes(file_path)
with open(zip_name, 'rb') as f:
zipped_data = f.read()
attribute = {
"type": "attachment",
"category": "Payload delivery",
"value": os.path.basename(zip_name),
"data": base64.b64encode(zipped_data).decode('utf-8'),
"comment": formatted_comment,
"Tag": [
{"name": "Malware"}
]
}
result = misp.add_attribute(event_id, attribute)
if 'Attribute' in result:
log_message(f"[INFO] Uploaded {zip_name} to MISP with ID {result['Attribute']['id']}")
else:
log_message(f"[ERROR] Failed to upload {zip_name} to MISP.")
def extract_compressed_file(file_path):
dir_name = file_path + "_extracted"
os.makedirs(dir_name, exist_ok=True)
log_message(f"Starting extraction of {file_path}...")
try:
if file_path.endswith(".zip"):
with zipfile.ZipFile(file_path, 'r') as zip_ref:
zip_ref.extractall(dir_name, pwd=b'infected')
elif file_path.endswith(".rar"):
with rarfile.RarFile(file_path, 'r') as rar_ref:
rar_ref.extractall(dir_name, pwd='infected')
except (zipfile.BadZipFile, rarfile.BadRarFile):
log_message(f"[ERROR] {file_path} is not a valid archive file.")
return None
except (rarfile.RarWrongPassword, RuntimeError):
try:
if file_path.endswith(".zip"):
with zipfile.ZipFile(file_path, 'r') as zip_ref:
zip_ref.extractall(dir_name)
elif file_path.endswith(".rar"):
with rarfile.RarFile(file_path, 'r') as rar_ref:
rar_ref.extractall(dir_name)
except Exception as e:
log_message(f"[ERROR] Failed to extract {file_path} without password. Reason: {e}")
return None
except Exception as e:
log_message(f"[ERROR] Failed to extract {file_path}. Reason: {e}")
return None
log_message(f"Successfully extracted {file_path} to {dir_name}")
return dir_name
def process_directory(directory_path, misp, event_id):
queue = [directory_path]
while queue:
current_item = queue.pop()
if os.path.basename(current_item) == "output.txt":
continue
if os.path.isfile(current_item):
if current_item.endswith(('.zip', '.rar')):
extracted_dir = extract_compressed_file(current_item)
if extracted_dir: # Check if the directory was successfully extracted
queue.extend([os.path.join(extracted_dir, item) for item in os.listdir(extracted_dir)])
else:
upload_file_to_misp(misp, event_id, current_item)
elif os.path.isdir(current_item):
queue.extend([os.path.join(current_item, item) for item in os.listdir(current_item)])
def main():
try:
current_working_dir = os.getcwd()
display_misp_upload_progress()
prev_day = (datetime.now() - timedelta(days=1)).strftime("%Y-%m-%d")
zip_path = os.path.join(current_working_dir, f"{prev_day}.zip")
extracted_path = os.path.join(current_working_dir, prev_day)
url = f"https://datalake.abuse.ch/malware-bazaar/daily/{prev_day}.zip"
download_successful = download_file(url, zip_path)
if download_successful:
try:
with zipfile.ZipFile(zip_path, 'r') as zip_ref:
zip_ref.extractall(extracted_path, pwd=b'infected')
os.remove(zip_path)
except zipfile.BadZipFile:
log_message("[ERROR] The downloaded file is not a valid zip file.")
except Exception as e:
log_message(f"[ERROR] An error occurred during file extraction: {e}")
misp = init_misp()
event_id = create_misp_event(misp)
if event_id:
process_directory(extracted_path, misp, event_id)
log_message("[Success] All files uploaded to MISP!")
print("Current directory contents:")
print(os.listdir(current_working_dir))
except IsADirectoryError as e:
log_message(f"Tried to upload a directory: {e}", type="Error")
except Exception as e:
log_message(f"An unexpected error occurred: {e}", type="Error")
finally:
if os.path.exists(extracted_path):
if os.path.isdir(extracted_path):
remove_directory_with_contents(extracted_path)
else:
log_message(f"[ERROR] {extracted_path} is not a directory.")
output_txt_path = os.path.join(current_working_dir, 'output.txt')
if os.path.exists(output_txt_path):
os.remove(output_txt_path)
print("After cleanup, current directory contents:")
print(os.listdir(current_working_dir))
if __name__ == '__main__':
main()