casterbyte.Sara/sara.py

#!/usr/bin/env python3

# Copyright (c) 2025 Magama Bazarov
# Licensed under the Apache 2.0 License

# Connecting required libraries and cve_lookup module
import argparse
import colorama
import time
import re
import sys
from netmiko import ConnectHandler
from colorama import Fore, Style
from cve_lookup import cve_routeros_database
from packaging.version import Version

# Initialize colorama for colored console output
colorama.init(autoreset=True)

def banner():
    banner_text = r"""
    _____                 
   / ____|                
  | (___   __ _ _ __ __ _ 
   \___ \ / _` | '__/ _` |
   ____) | (_| | | | (_| |
  |_____/ \__,_|_|  \__,_|
"""
    # Display the program banner and metadata
    print(banner_text)
    print("    " + Fore.YELLOW + "RouterOS Security Inspector. For security engineers")
    print("    " + Fore.YELLOW + "Operates remotely using SSH, designed to evaluate RouterOS security\n")
    print("    " + Fore.YELLOW + "Author: " + Style.RESET_ALL + "Magama Bazarov, <magamabazarov@mailbox.org>")
    print("    " + Fore.YELLOW + "Alias: " + Style.RESET_ALL + "Caster")
    print("    " + Fore.YELLOW + "Version: " + Style.RESET_ALL + "1.1.0")
    print("    " + Fore.YELLOW + "Codename: " + Style.RESET_ALL + "Judge")
    print("    " + Fore.YELLOW + "Documentation & Usage: " + Style.RESET_ALL + "https://github.com/casterbyte/Sara")
    print()

    # Display a legal disclaimer to emphasize responsible usage
    print("    " + Fore.YELLOW + "[!] DISCLAIMER: Use this tool only for auditing your own devices.")
    print("    " + Fore.YELLOW + "[!] Unauthorized use on third-party systems is ILLEGAL.")
    print("    " + Fore.YELLOW + "[!] The author is not responsible for misuse.")
    print()

# Establish SSH connection to the RouterOS device using Netmiko
def connect_to_router(ip, username, password, port, key_file, passphrase):
    device = {
        "device_type": "mikrotik_routeros",
        "host": ip,
        "username": username,
        "password": password,
        "port": port,
        "key_file": key_file,
        "passphrase": passphrase,
    }
    try:
        print(Fore.GREEN + Style.BRIGHT + f"[*] Connecting to RouterOS at {ip}:{port}")
        connection = ConnectHandler(**device)
        print(Fore.WHITE + "[*] Connection successful!")
        return connection
    except Exception as e:
        print(Fore.RED + f"[-] Connection failed: {e}")
        exit(1)

# Print a visual separator for better readability in the output
def separator(title):
    print(Fore.WHITE + Style.BRIGHT + '=' * 50)
    print(Fore.WHITE + Style.BRIGHT + f"[*] {title}")

def parse_version(version_str):
    # Parses a version string into a comparable Version object. Example: "6.49.7" → Version(6.49.7)
    return Version(version_str)

def extract_version_from_cve(description):
    # Case: "X.Y to Z.W"
    range_match = re.search(r"v?(\d+\.\d+(?:\.\d+)?)\s*to\s*v?(\d+\.\d+(?:\.\d+)?)", description, re.IGNORECASE)
    if range_match:
        start_version, end_version = range_match.groups()
        return "range", parse_version(start_version), parse_version(end_version)

    # Case: "before X.Y.Z", "after X.Y.Z", "through X.Y.Z", "and below X.Y.Z"
    keyword_match = re.search(r"(before|through|after|and below)?\s*v?(\d+\.\d+(?:\.\d+)?)", description, re.IGNORECASE)
    if keyword_match:
        keyword, version = keyword_match.groups()
        return keyword, None, parse_version(version)

    # Case: "6.49.x" (Wildcard notation)
    wildcard_match = re.search(r"v?(\d+\.\d+)\.x", description, re.IGNORECASE)
    if wildcard_match:
        base_version = wildcard_match.group(1)  # Example: "6.49"
        return "before", None, parse_version(base_version + ".999")  # Treat as "6.49.999" for comparison

    return None, None, None

# Retrieves the RouterOS version and checks for known CVEs
def check_routeros_version(connection):
    # Separator outlet
    separator("Checking RouterOS Version")
    command = "/system resource print"
    output = connection.send_command(command)

    match = re.search(r"version:\s*([\d.]+)", output)
    if match:
        routeros_version = parse_version(match.group(1))
        print(Fore.GREEN + f"[+] Detected RouterOS Version: {routeros_version}")

        found_cves = []

        for cve, description in cve_routeros_database.items():
            keyword, start_version, end_version = extract_version_from_cve(description)

            if keyword == "range" and start_version and end_version:
                if start_version <= routeros_version <= end_version:
                    found_cves.append((cve, description))

            elif keyword and end_version:
                if keyword == "before" and routeros_version < end_version:
                    found_cves.append((cve, description))
                elif keyword == "through" and routeros_version <= end_version:
                    found_cves.append((cve, description))
                elif keyword == "after" and routeros_version > end_version:
                    found_cves.append((cve, description))
                elif keyword == "and below" and routeros_version <= end_version:
                    found_cves.append((cve, description))

            # Direct version match
            elif str(routeros_version) in description:
                found_cves.append((cve, description))

        if found_cves:
            print(Fore.YELLOW + f"[!] CAUTION: Found {len(found_cves)} CVEs affecting RouterOS {routeros_version}!")
            for cve, description in found_cves:
                print(Fore.RED + f"    - {cve}: {description}")
        else:
            print(Fore.GREEN + "[+] No known CVEs found for this version.")
    else:
        print(Fore.RED + Style.BRIGHT + "[-] ERROR: Could not determine RouterOS version.")

# Check if SMB service is enabled (potential security risk)
def check_smb(connection):
    # Separator outlet
    separator("Checking SMB Service")
    command = "/ip smb print"
    output = connection.send_command(command)
    
    if "enabled: yes" in output:
        print(Fore.RED + Style.BRIGHT + "[*] CAUTION: SMB service is enabled! Did you turn it on? Do you need SMB? Also avoid CVE-2018-7445")
    else:
        print(Fore.GREEN + "[+] SMB is disabled. No risk detected.")
        print(Fore.GREEN + "[+] No issues found.")
       
# Check for high-risk remote management interfaces (RMI)
def check_rmi_services(connection):
    # Separator outlet
    separator("Checking RMI Services")
    command = "/ip service print"
    output = connection.send_command(command)

    high_risk = ["telnet", "ftp", "www"]
    moderate_risk = ["api", "api-ssl", "winbox", "www-ssl"] 
    safe = ["ssh"]

    risks_found = False

    for line in output.splitlines():
        line = line.strip()
        if re.search(r"^\d+\s+X", line):  
            continue  
        match = re.search(r"(\S+)\s+\d+", line)  
        if match:
            service_name = match.group(1).lower()
            display_name = service_name.upper().replace("WWW", "HTTP").replace("WWW-SSL", "HTTPS")

            if service_name in high_risk:
                print(Fore.RED + Style.BRIGHT + f"[!] ALERT: {display_name} is ENABLED! This is a high security risk.")
                if service_name == "ftp":
                    print(Fore.RED + "    - Are you sure you need FTP?")
                if service_name == "telnet":
                    print(Fore.RED + "    - Account passwords can be intercepted")
                if service_name == "www":
                    print(Fore.RED + "    - Account passwords can be intercepted")
                risks_found = True

            elif service_name in moderate_risk:
                print(Fore.YELLOW + Style.BRIGHT + f"[!] CAUTION: {display_name} is enabled.")
                if service_name in ["api", "api-ssl"]:
                    print(Fore.YELLOW + "    - RouterOS API is vulnerable to a bruteforce attack. If you need it, make sure you have access to it.")
                elif service_name == "www-ssl":
                    print(Fore.GREEN + "    - HTTPS detected. Ensure it uses a valid certificate and strong encryption.")
                elif service_name == "winbox":
                    print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: If you're using 'Keep Password' in Winbox, your credentials may be stored in plaintext!")
                    print(Fore.YELLOW + "    - If your PC is compromised, attackers can extract saved credentials.")
                    print(Fore.YELLOW + "    - Consider disabling 'Keep Password' to improve security.")
                    
            elif service_name in safe:
                print(Fore.GREEN + f"[+] OK: {display_name} is enabled. Good!")
                print(Fore.GREEN + "    - Are you using strong passwords and SSH keys for authentication?")

    if not risks_found:
        print(Fore.GREEN + "[+] No high-risk RMI services enabled.")
        print(Fore.GREEN + "[+] No issues found.")

# Check for default usernames that could be security risks
def check_default_users(connection):
    # Separator outlet
    separator("Checking Default Usernames")
    command = "/user print detail"
    output = connection.send_command(command)

    default_users = {"admin", "engineer", "user", "test", "root", "mikrotik", "routeros"}
    risks_found = False

    for line in output.split("\n\n"):
        match = re.search(r"name=\"?(\w+)\"?", line)
        if match:
            username = match.group(1).lower()
            if username in default_users:
                print(Fore.YELLOW + Style.BRIGHT + f"[!] CAUTION: Default username '{username}' detected! Change it to a unique one.")
                risks_found = True
    if not risks_found:
        print(Fore.GREEN + "[+] No default usernames found.")

# Verify whether critical services have restricted network access
def checking_access_to_RMI(connection):
    # Separator outlet
    separator("Checking network access to RMI")
    command = "/ip service print detail"
    output = connection.send_command(command)

    risks_found = False

    for line in output.split("\n\n"):
        service_match = re.search(r'name="([^"]+)"', line)
        address_match = re.search(r'address=([\d./,]+)', line)

        if service_match:
            service_name = service_match.group(1)

            if address_match:
                address_list = address_match.group(1).split(",")
                if not address_list or address_list == [""] or "0.0.0.0/0" in address_list:
                    print(Fore.YELLOW + Style.BRIGHT + f"[!] CAUTION: {service_name.upper()} is exposed to the entire network! Restrict access to trusted IP ranges.")
                    risks_found = True
                else:
                    print(Fore.GREEN + f"[+] OK! {service_name.upper()} is restricted to: {', '.join(address_list)}")
            else:
                print(Fore.YELLOW + Style.BRIGHT + f"[!] CAUTION: {service_name.upper()} has no IP restriction set! Please restrict access.")
                risks_found = True

    if not risks_found:
        print(Fore.GREEN + "[+] All services have proper IP restrictions.")

# Analyze Wi-Fi security settings, including WPS and PMKID vulnerabilities
# I think this is the most unstable feature of the whole Sara, need more feedback from users to get it perfect
def check_wifi_security(connection):
    # Separator outlet
    separator("Checking WLAN Security")
    risks_found = False
    try:
        # Retrieve RouterOS version to determine supported commands
        command = "/system resource print"
        output = connection.send_command(command)
        version_match = re.search(r"version:\s*([\d.]+)", output)
        routeros_version = Version(version_match.group(1)) if version_match else Version("0.0.0")

        # Wi-Fi (ROS v6/v7)
        commands = ["/interface wifi print detail", "/interface wireless print detail"]
        found_valid_output = False

        for command in commands:
            output = connection.send_command(command)
            if "bad command name" not in output.lower() and output.strip():
                found_valid_output = True
                interfaces = output.split("\n\n")
                for interface in interfaces:
                    name_match = re.search(r'name="([^"]+)"', interface)
                    default_name_match = re.search(r'default-name="([^"]+)"', interface)
                    pmkid_match = re.search(r'disable-pmkid=(\S+)', interface)
                    wps_match = re.search(r'wps=(\S+)', interface)

                    name = name_match.group(1) if name_match else (default_name_match.group(1) if default_name_match else "Unknown")
                    pmkid = pmkid_match.group(1) if pmkid_match else "unknown"
                    wps = wps_match.group(1) if wps_match else None  # Fix: If WPS is not found, set None

                    if pmkid == "no":
                        print(Fore.RED + Style.BRIGHT + f"[!] ALERT: Wi-Fi '{name}' has insecure settings!")
                        print(Fore.RED + "    - PMKID attack is possible (disable-pmkid=no)")
                        risks_found = True

                    # Fix: Do not report WPS if it's completely missing in the output
                    if wps is not None and wps != "disable":
                        print(Fore.RED + f"[!] ALERT: Wi-Fi '{name}' has WPS enabled ({wps}), Risk of PIN bruteforcing and Pixie Dust attacks.")
                        risks_found = True

        if not found_valid_output:
            print(Fore.RED + "[-] ERROR: Unable to retrieve Wi-Fi interface settings. Unsupported RouterOS version or missing interface.")

        # Security profiles (ROS v6)
        security_profiles_output = connection.send_command("/interface wireless security-profiles print detail")
        if security_profiles_output.strip():
            profiles = security_profiles_output.split("\n\n")
            for profile in profiles:
                profile_name_match = re.search(r'name="([^"]+)"', profile)
                pmkid_match = re.search(r'disable-pmkid=(\S+)', profile)

                profile_name = profile_name_match.group(1) if profile_name_match else "Unknown"
                pmkid = pmkid_match.group(1) if pmkid_match else "unknown"

                if pmkid == "no":
                    print(Fore.RED + Style.BRIGHT + f"[!] ALERT: Security Profile '{profile_name}' allows PMKID attack! (disable-pmkid=no)")
                    risks_found = True

        # /interface wifi security print (ROS v7.10+ only)
        if routeros_version >= Version("7.10"):
            security_output = connection.send_command("/interface wifi security print")
            if security_output.strip():
                securities = security_output.split("\n\n")
                for security in securities:
                    sec_name_match = re.search(r'name="([^"]+)"', security)
                    pmkid_match = re.search(r'disable-pmkid=(\S+)', security)
                    wps_match = re.search(r'wps=(\S+)', security)

                    if sec_name_match and (pmkid_match or wps_match):
                        sec_name = sec_name_match.group(1)
                        pmkid = pmkid_match.group(1) if pmkid_match else "unknown"
                        wps = wps_match.group(1) if wps_match else None  # Fix: Avoid "WPS is enabled (unknown)"

                        if pmkid == "no":
                            print(Fore.RED + Style.BRIGHT + f"[!] ALERT: Wi-Fi security profile '{sec_name}' has insecure settings!")
                            print(Fore.RED + "    - PMKID attack is possible (disable-pmkid=no)")
                            risks_found = True

                        if wps is not None and wps != "disable":
                            print(Fore.RED + f"[!] ALERT: Wi-Fi security profile '{sec_name}' has WPS enabled ({wps}), Risk of PIN bruteforcing and Pixie Dust attacks.")
                            risks_found = True
            else:
                print(Fore.RED + "[-] ERROR: Unable to retrieve Wi-Fi security settings.")
        else:
            print(Fore.CYAN + "[*] Skipping `/interface wifi security print` (not supported in this version)")

    except Exception as e:
        print(Fore.RED + f"[-] ERROR: Failed to check Wi-Fi settings: {e}")

    if not risks_found:
        print(Fore.GREEN + "[+] All Wi-Fi interfaces and security profiles have secure settings.")
        print(Fore.YELLOW + "[*] If you use WPA-PSK or WPA2-PSK, take care of password strength. So that the handshake cannot be easily brute-forced.")
        print(Fore.GREEN + "[+] No issues found.")

# Check if UPnP is enabled
def check_upnp_status(connection):
    # Separator outlet
    separator("Checking UPnP Status")
    command = "/ip upnp print"
    output = connection.send_command(command)

    if "enabled: yes" in output:
        print(Fore.RED + Style.BRIGHT + "[!] ALERT: UPnP is ENABLED! This is a very insecure protocol that automatically pushes internal hosts to the Internet. This protocol is used for automatic port forwarding and may also indicate a potential router compromise. Did you enable UPnP yourself?")
    else:
        print(Fore.GREEN + "[+] UPnP is disabled. No risk detected.")
        print(Fore.GREEN + "[+] No issues found.")

# Check if the router is acting as a DNS server
def check_dns_status(connection):
    # Separator outlet
    separator("Checking DNS Settings")
    command = "/ip dns print"
    output = connection.send_command(command)

    if "allow-remote-requests: yes" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: Router is acting as a DNS server! This is just a warning. The DNS port on your RouterOS should not be on the external interface.")
    else:
        print(Fore.GREEN + "[+] DNS remote requests are disabled. No risk detected.")
        print(Fore.GREEN + "[+] No issues found.")

# Check DDNS Settings
def check_ddns_status(connection):
    # Separator outlet
    separator("Checking DDNS Settings")
    command = "/ip cloud print"
    output = connection.send_command(command)

    if "ddns-enabled: yes" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: Dynamic DNS is enabled! Are you sure you need it?")
    else:
        print(Fore.GREEN + "[+] DDNS is disabled. No risk detected.")
        print(Fore.GREEN + "[+] No issues found.")

# Detect active PoE interfaces that might pose a risk to connected devices
def check_poe_status(connection):
    # Separator outlet
    separator("Checking PoE Status")
    command = "/interface ethernet print detail"
    output = connection.send_command(command)

    risks_found = False
    interfaces = output.split("\n\n")  

    for interface in interfaces:
        name_match = re.search(r'name="([^"]+)"', interface)
        poe_match = re.search(r'poe-out=(\S+)', interface)
        name = name_match.group(1) if name_match else "Unknown"
        poe = poe_match.group(1) if poe_match else "none"

        if poe in ["auto-on", "forced-on"]:
            print(Fore.YELLOW + Style.BRIGHT + f"[!] CAUTION: PoE is enabled on {name}. Ensure that connected devices support PoE to prevent damage.")
            risks_found = True

    if not risks_found:
        print(Fore.GREEN + "[+] No PoE-enabled interfaces detected.")
        print(Fore.GREEN + "[+] No issues found.")

# Checking RouterBOOT
def check_routerboot_protection(connection):
    # Separator outlet
    separator("Checking RouterBOOT Protection")
    command = "/system routerboard settings print"
    output = connection.send_command(command)

    if "protected-routerboot: disabled" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: RouterBOOT protection is disabled! This can allow unauthorized firmware changes and password resets via Netinstall.")
    else:
        print(Fore.GREEN + "[+] RouterBOOT protection is enabled. No risk detected.")
        print(Fore.GREEN + "[+] No issues found.")

def check_socks_status(connection):
    separator("Checking SOCKS Proxy Status")
    command = "/ip socks print"
    output = connection.send_command(command)

    if "enabled: yes" in output:
        print(Fore.RED + Style.BRIGHT + "[!] ALERT: SOCKS proxy is enabled! This may indicate a possible compromise of the device, the entry point to the internal network.")
    else:
        print(Fore.GREEN + "[+] SOCKS proxy is disabled. No risk detected.")
        print(Fore.GREEN + "[+] No issues found.")

# Verify if RouterBOOT protection is enabled to prevent unauthorized firmware modifications
def check_bandwidth_server_status(connection):
    # Separator outlet
    separator("Checking Bandwidth Server Status")
    command = "/tool bandwidth-server print"
    output = connection.send_command(command)

    if "enabled: yes" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: Bandwidth server is enabled! Possible unwanted traffic, possible CPU load.")
    else:
        print(Fore.GREEN + "[+] Bandwidth server is disabled. No risk detected.")
        print(Fore.GREEN + "[+] No issues found.")

# Analyze discovery protocols (CDP, LLDP, MNDP) that might expose network information
def check_neighbor_discovery(connection):
    # Separator outlet
    separator("Checking Neighbor Discovery Protocols")
    command = "/ip neighbor discovery-settings print"
    output = connection.send_command(command)

    if "discover-interface-list: all" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: RouterOS sends Discovery protocol packets to all interfaces. This can be used by an attacker to gather data about RouterOS.")

    protocol_match = re.search(r'protocol: ([\w,]+)', output)
    if protocol_match:
        protocols = protocol_match.group(1)
        print(Fore.YELLOW + Style.BRIGHT + f"[!] Neighbor Discovery Protocols enabled: {protocols}")
    if "discover-interface-list: all" not in output and not protocol_match:
        print(Fore.GREEN + "[+] No security risks found in Neighbor Discovery Protocol settings.")
        print(Fore.GREEN + "[+] No issues found.")

# Ensure a minimum password length policy is enforced
def check_password_length_policy(connection):
    # Separator outlet
    separator("Checking Password Policy")
    command = "/user settings print"
    output = connection.send_command(command)

    if "minimum-password-length: 0" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: No minimum password length is enforced! The length of the created passwords must be taken into account.")
    if "minimum-password-length: 0" not in output:
        print(Fore.GREEN + "[+] Password policy is enforced. No risk detected.")
        print(Fore.GREEN + "[+] No issues found.")

# Analyze SSH security settings, including strong encryption and port forwarding risks
def check_ssh_security(connection):
    # Separator outlet
    separator("Checking SSH Security")
    command = "/ip ssh print"
    output = connection.send_command(command)

    if "forwarding-enabled: both" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: SSH Dynamic Port Forwarding is enabled! This could indicate a RouterOS compromise, and SSH DPF could also be used by an attacker as a pivoting technique.")
    if "strong-crypto: no" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: strong-crypto is disabled! It is recommended to enable it to enhance security. This will:")
        print(Fore.YELLOW + "    - Use stronger encryption, HMAC algorithms, and larger DH primes;")
        print(Fore.YELLOW + "    - Prefer 256-bit encryption, disable null encryption, prefer SHA-256;")
        print(Fore.YELLOW + "    - Disable MD5, use 2048-bit prime for Diffie-Hellman exchange;")
    if "forwarding-enabled: both" not in output and "strong-crypto: no" not in output:
        print(Fore.GREEN + "[+] SSH security settings are properly configured.")
        print(Fore.GREEN + "[+] No issues found.")

# Check if connection tracking is enabled, which may impact performance
def check_connection_tracking(connection):
    # Separator outlet
    separator("Checking Connection Tracking")
    command = "/ip firewall connection tracking print"
    output = connection.send_command(command)
    if "enabled: auto" in output or "enabled: on" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: Connection Tracking is enabled! This means RouterOS is tracks connection statuses.")
        print(Fore.YELLOW + "    - If this device is a transit router and does NOT use NAT, consider disabling connection tracking to reduce CPU load.")
    
    if "enabled: auto" not in output and "enabled: on" not in output:
        print(Fore.GREEN + "[+] Connection Tracking is properly configured.")
        print(Fore.GREEN + "[+] No issues found.")

# Verify if RoMON is enabled, which might expose Layer 2 management access
def check_romon_status(connection):
    # Separator outlet
    separator("Checking RoMON Status")
    command = "/tool romon print"
    output = connection.send_command(command)

    if "enabled: yes" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: RoMON is enabled! This allows Layer 2 management access, which may expose the router to unauthorized control.")
        print(Fore.YELLOW + "    - If RoMON is not required, disable it to reduce attack surface.")
    if "enabled: yes" not in output:
        print(Fore.GREEN + "[+] RoMON is disabled. No risk detected.")
        print(Fore.GREEN + "[+] No issues found.")

# Analyze MAC-based Winbox access settings
def check_mac_winbox_security(connection):
    # Separator outlet
    separator("Checking Winbox MAC Server Settings")

    # MAC-Winbox Server
    command = "tool mac-server mac-winbox print"
    output = connection.send_command(command)
    if "allowed-interface-list: all" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: MAC Winbox access is enabled on all interfaces. This compromises the security of the Winbox interface.")
    else:
        print(Fore.GREEN + "[+] MAC Winbox are properly restricted.")

    # MAC-Server
    command = "tool mac-server print"
    output = connection.send_command(command)
    if "allowed-interface-list: all" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: MAC Telnet access is enabled on all interfaces. This compromises the security of the Winbox interface.")
    else:
        print(Fore.GREEN + "[+] MAC Telnet are properly restricted.")

    # MAC Ping
    command = "tool mac-server ping print"
    output = connection.send_command(command)
    if "enabled: yes" in output:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: MAC Ping is enabled. Possible unwanted traffic.")
    else:
        print(Fore.GREEN + "[+] MAC Ping are properly restricted.")

# Check for weak SNMP community strings that could be exploited
def check_snmp(connection):
    # Separator outlet
    separator("Checking SNMP Community Strings")
    command = "/snmp community print"
    output = connection.send_command(command)

    bad_names = ["public", "private", "admin", "mikrotik", "mikrotik_admin", "root", "routeros", "zabbix"]
    risks_found = False

    for line in output.splitlines():
        match = re.search(r'^\s*\d+\s+[*X]?\s*([\w-]+)', line)
        if match:
            community_name = match.group(1).lower()
            if community_name in bad_names:
                print(Fore.YELLOW + Style.BRIGHT + f"[!] CAUTION: Weak SNMP community string detected: '{community_name}'. Change it to a secure, unique value.")
                risks_found = True

    if not risks_found:
        print(Fore.GREEN + "[+] SNMP community strings checked. No weak values detected.")
        print(Fore.GREEN + "[+] No issues found.")

# Detect and analyze firewall NAT rules that could expose internal services
def check_dst_nat_rules(connection):
    # Separator outlet
    separator("Checking Firewall NAT Rules")
    command = "/ip firewall nat print"
    output = connection.send_command(command)
    dst_nat_rules = []
    for line in output.splitlines():
        if "action=dst-nat" in line or "action=netmap" in line:
            dst_nat_rules.append(line.strip())
    if dst_nat_rules:
        print(Fore.YELLOW + Style.BRIGHT + "[!] CAUTION: Destination NAT (dst-nat/netmap) rules detected! Exposing devices to the internet can be dangerous.")
        print(Fore.YELLOW + Style.BRIGHT + "[*] Similar rules can also be created by the attacker. Did you really create these rules yourself?")
        print(Fore.YELLOW + "    - Review the following NAT rules:")
        for rule in dst_nat_rules:
            print(Fore.YELLOW + f"        {rule}")
    if not dst_nat_rules:
        print(Fore.GREEN + "[+] No Destination NAT (dst-nat/netmap) rules detected. No risks found.")
        print(Fore.GREEN + "[+] No issues found.")

# Identify potentially malicious scheduled tasks
def detect_malicious_schedulers(connection):
    # Separator outlet
    separator("Checking for Malicious Schedulers")
    command = "/system scheduler print detail"
    output = connection.send_command(command)

    risks_found = False
    fetch_files = set()

    for task in output.split("\n\n"):
        name_match = re.search(r'name="?([^"]+)"?', task)
        event_match = re.search(r'on-event="?([^"\n]+)"?', task)
        policy_match = re.search(r'policy=([\w,]+)', task)
        interval_match = re.search(r'interval=(\d+)([smhd])', task)

        name = name_match.group(1) if name_match else "Unknown"
        event = event_match.group(1).strip() if event_match else ""
        policy = policy_match.group(1).split(",") if policy_match else []
        interval_value, interval_unit = (int(interval_match.group(1)), interval_match.group(2)) if interval_match else (None, None)

        # DEBUG
        print(Fore.CYAN + f"[*] Checking: '{name}' → {event}")

        # Fetch detection
        fetch_match = re.search(r'dst-path=([\S]+)', event)
        if "fetch" in event and fetch_match:
            fetched_file = fetch_match.group(1).strip(";")
            fetch_files.add(fetched_file)
            print(Fore.YELLOW + f"[!] Noted fetched file: {fetched_file}")

        # Import detection (checks if imported file was fetched earlier)
        import_match = re.search(r'import\s+([\S]+)', event)
        if "import" in event and import_match:
            imported_file = import_match.group(1).strip(";")
            if imported_file in fetch_files:
                print(Fore.RED + Style.BRIGHT + f"[!] ALERT: '{name}' is a BACKDOOR!")
                print(Fore.RED + "    - This scheduler imports a previously fetched script.")
                print(Fore.RED + "    - Attacker can inject any command remotely via this script.")
                print(Fore.RED + f"    - Interval: {interval_value}{interval_unit}, ensuring persistence.")
                risks_found = True

        # High privileges checking
        dangerous_policies = {"password", "sensitive", "sniff", "ftp"}
        if any(p in dangerous_policies for p in policy):
            print(Fore.RED + Style.BRIGHT + f"[!] ALERT: '{name}' has HIGH PRIVILEGES!")
            print(Fore.RED + f"    - It has dangerous permissions: {', '.join(policy)}")
            risks_found = True

        # Reboot detection (Anti-forensics & persistence check)
        if "reboot" in event:
            if interval_value and interval_unit in ["s", "m", "h"] and interval_value < 12:
                print(Fore.RED + f"[!] ALERT: '{name}' reboots router TOO FREQUENTLY ({interval_value}{interval_unit})!")
                print(Fore.RED + "    - This may be an attempt to prevent log analysis (anti-forensics).")
                risks_found = True
            else:
                print(Fore.YELLOW + f"[!] CAUTION: '{name}' schedules a reboot.")
                print(Fore.YELLOW + "    - Ensure this is intentional and not used to hide attacks.")
            continue

        # Frequent execution detection
        if interval_value and interval_unit in ["s", "m", "h"] and interval_value < 25:
            print(Fore.RED + Style.BRIGHT + f"[!] ALERT: '{name}' executes TOO FREQUENTLY ({interval_value}{interval_unit})!")
            print(Fore.RED + "    - This indicates botnet-like persistence.")
            risks_found = True

    if not risks_found:
        print(Fore.GREEN + "[+] No malicious schedulers detected.")

# Checking DNS Static Entries
def check_static_dns_entries(connection):
    # Separator outlet
    separator("Checking Static DNS Entries")
    command = "/ip dns static print detail"
    output = connection.send_command(command)

    dns_entries = []
    entry_blocks = output.split("\n\n")

    for entry in entry_blocks:
        name_match = re.search(r'name="([^"]+)"', entry)
        address_match = re.search(r'address=([\d.]+)', entry)

        if name_match and address_match:
            name = name_match.group(1)
            address = address_match.group(1)
            dns_entries.append((name, address))

    if dns_entries:
        print(Fore.YELLOW + "[!] WARNING: The following static DNS entries exist:")
        for name, address in dns_entries:
            print(Fore.CYAN + f"    - {name} → {address}")

        print(Fore.YELLOW + "[*] Were you the one who created those static DNS records? Make sure.")
        print(Fore.YELLOW + "[*] Attackers during RouterOS post-exploitation like to tamper with DNS record settings, for example, for phishing purposes.")
    else:
        print(Fore.GREEN + "[+] No static DNS entries found.")

# Retrieve router uptime
def get_router_uptime(connection):
    # Separator outlet
    separator("Checking Router Uptime")
    command = "/system resource print"
    output = connection.send_command(command)

    # Extract uptime value
    match = re.search(r"uptime:\s*([\w\d\s]+)", output)
    
    if match:
        uptime_raw = match.group(1)
        weeks = days = hours = minutes = 0

        # Extract individual time units
        if "w" in uptime_raw:
            weeks = int(re.search(r"(\d+)w", uptime_raw).group(1))
        if "d" in uptime_raw:
            days = int(re.search(r"(\d+)d", uptime_raw).group(1))
        if "h" in uptime_raw:
            hours = int(re.search(r"(\d+)h", uptime_raw).group(1))
        if "m" in uptime_raw:
            minutes = int(re.search(r"(\d+)m", uptime_raw).group(1))

        # Convert weeks to days and format output
        total_days = weeks * 7 + days
        print(Fore.GREEN + Style.BRIGHT + f"[*] Router Uptime: {total_days} days, {hours} hours, {minutes} minutes")
    else:
        print(Fore.RED + "[-] ERROR: Could not retrieve uptime.")

# Require user confirmation before proceeding, emphasizing legal responsibility
def confirm_legal_usage():
    print("    " + "WARNING: This tool is for security auditing of YOUR OWN RouterOS devices.")
    print("    " + "Unauthorized use may be illegal. Proceed responsibly.\n")

def prompt_legal_usage():
    response = input("    " + "Do you wish to proceed? [yes/no]: ").strip()
    
    if response.lower() != "yes":
        print("\nOperation aborted. Exiting...")
        sys.exit(0)

# # Parse command-line arguments, establish connection, and execute all security checks
def main():
    # Print banner
    banner()
    
    # Argument parsing
    parser = argparse.ArgumentParser()
    parser.add_argument("--ip", help="The address of your MikroTik router")
    parser.add_argument("--username", help="SSH username (RO account can be used)")
    parser.add_argument("--password", help="SSH password")
    parser.add_argument("--ssh-key", help="SSH key")
    parser.add_argument("--passphrase", help="SSH key passphrase")
    parser.add_argument("--skip-confirmation", action='store_true', help='Skips the confirmation prompt (disclamer: ensure that your are allowed to use this tool)')
    parser.add_argument("--port", type=int, default=22, help="SSH port (default: 22)")
    args = parser.parse_args()

    if len(sys.argv) == 2 and sys.argv[1] in ["-h", "--help"]:
        parser.print_help()
        sys.exit(0)

    if not args.ip:
        print(Fore.YELLOW + Style.BRIGHT + "[!] ERROR: Missing required arguments")
        print(Fore.YELLOW + "[!] Use 'sara --help' for more information")
        sys.exit(1)

    if not args.username or (not args.password and not args.ssh_key):
        print(Fore.YELLOW + Style.BRIGHT + "[!] ERROR: Missing required arguments")
        print(Fore.YELLOW + "[!] Use 'sara --help' for more information")
        sys.exit(1)

    if args.password and args.ssh_key:
        print(Fore.YELLOW + Style.BRIGHT + "[!] ERROR: Can't use both password & ssh_key authentication")
        print(Fore.YELLOW + "[!] Use 'sara --help' for more information")
        sys.exit(1)
    
    if args.passphrase and not args.ssh_key:
        print(Fore.YELLOW + Style.BRIGHT + "[!] ERROR: The passphrase argument can't be used when not specifying a ssh_key")
        print(Fore.YELLOW + "[!] Use 'sara --help' for more information")
        sys.exit(1)
    

    confirm_legal_usage()
    if not args.skip_confirmation:
        prompt_legal_usage()

    # Start timer
    start_time = time.time()

    # Connecting to the router
    connection = connect_to_router(args.ip,
        args.username,
        args.password,
        args.port,
        args.ssh_key,
        args.passphrase
    )

    # Execute all implemented security checks in sequence
    check_routeros_version(connection)
    check_smb(connection)
    check_rmi_services(connection)
    check_default_users(connection)
    checking_access_to_RMI(connection)
    check_wifi_security(connection)
    check_upnp_status(connection)
    check_dns_status(connection)
    check_ddns_status(connection)
    check_poe_status(connection)
    check_routerboot_protection(connection)
    check_socks_status(connection)
    check_bandwidth_server_status(connection)
    check_neighbor_discovery(connection)
    check_password_length_policy(connection)
    check_ssh_security(connection)
    check_connection_tracking(connection)
    check_romon_status(connection)
    check_mac_winbox_security(connection)
    check_snmp(connection)
    check_dst_nat_rules(connection)
    detect_malicious_schedulers(connection)
    check_static_dns_entries(connection)
    get_router_uptime(connection)

    # Print a blank line for better output formatting
    print ()

    # Close the SSH connection to the router
    connection.disconnect()
    print(Fore.GREEN + Style.BRIGHT + f"[*] Disconnected from RouterOS ({args.ip}:{args.port})")

    # Measure and display the total execution time
    end_time = time.time()
    total_time = round(end_time - start_time, 2)

    # Print a closing message emphasizing continuous security improvements
    print(Fore.GREEN + Style.BRIGHT + f"[*] All checks have been completed. Security inspection completed in {total_time} seconds\n")
    print(Fore.MAGENTA + Style.BRIGHT + "[*] " + Fore.WHITE + "Remember: " + Fore.RED + "Security" + Fore.WHITE + " is a " + Fore.GREEN + "process" + Fore.WHITE + ", not a " + Fore.YELLOW + "state.")

if __name__ == "__main__":
    main()