def perform(self):
vulns = []
Response = collections.namedtuple(
"Response",
[
"is_vulnerable",
"dbms",
"payloads",
"filepath",
"cookies",
"headers",
"injection_type",
"injected_param",
"session_filepath",
"recommended_payload",
"recommended_payload_type",
],
)
attemps_counter = 0
session_data = []
tested_payloads = []
successful_payloads = []
is_resumed = False
filepath = None
target_info = self._parse_target()
set_cookie = ""
set_headers = ""
try:
logger.notice("testing connection to the target URL.")
resp = request.perform(
self.url,
data=self.data,
headers=self.headers,
use_requests=False,
connection_test=True,
proxy=self._proxy,
)
if "Set-Cookie" in list(resp.headers.keys()):
set_cookie = (", ".join(resp.headers.get_all("Set-Cookie"))
if hasattr(resp.headers, "get_all") else
resp.headers.get("Set-Cookie"))
set_cookie = re.sub(r"(?is)path=/", "", set_cookie)
_show_slice = set_cookie.rstrip()
if len(set_cookie) > 20:
_show_slice = f"{set_cookie[0:14]}....{set_cookie[-10:-2]}"
question = logger.read_input(
f"you have not declared cookie(s), while server wants to set its own ('{_show_slice}'). Do you want to use those [Y/n] ",
batch=self._batch,
user_input="Y",
)
if question in ["", "y"]:
if "," in set_cookie:
set_cookie = "".join([
i.strip().replace("path=/", "").strip()
for i in set_cookie.split(",")
])
set_cookie = ";".join(set_cookie.split(";"))
set_cookie = f"Cookie: {set_cookie}"
if (not self.headers or self.headers
and "cookie" not in self.headers.lower()):
self.headers += set_cookie
except Exception as error:
logger.critical(
"Xpath was not able to establish connection. try checking with -v set to 5."
)
logger.error(error)
sys.exit(0)
payloads_list = prepare_payloads(
prefixes=PREFIX,
suffixes=SUFFIX,
payloads=PAYLOADS,
techniques=self._techniques,
)
try:
table_name = "tbl_payload"
session_data = session.fetch_from_table(
session_filepath=self._session_filepath,
table_name=table_name,
cursor=False,
)
if session_data:
is_resumed = True
is_questioned = False
for pay in session_data:
vulns.append({
"injection_type":
f"({pay.get('parameter')})",
"attempts":
pay.get("payload_attemps"),
"payload":
pay.get("payload"),
"title":
pay.get("payload_type"),
"order":
pay.get("payload_order"),
"regex":
pay.get("regex"),
"injected_param":
pay.get("param").replace("*", ""),
"dbms":
pay.get("dbms"),
})
except Exception as error:
pass
if not target_info.params:
logger.critical(
"no parameter(s) found for testing in the provided data (e.g. GET parameter 'id' in 'www.site.com/index.php?id=1')."
)
logger.end("ending")
sys.exit(0)
if not vulns:
params = target_info.params
injection_type = target_info.injection_type
is_custom_injection = target_info.is_custom_injection
end_detection_phase = False
is_injected = False
successful_payload_prefix = ""
vulnerable_param = ""
unknown_error_counter = 0
dbms = ""
for entry in params:
param = entry.get("key")
param_value = entry.get("value")
if is_custom_injection and not param_value.endswith("*"):
continue
sep = ": " if "header" in injection_type.lower() else "="
injectable_param = (f"{param}{sep}{param_value}"
if param_value else f"{param}{sep}")
resp = self.is_injectable(
self.url,
self.data,
self.headers,
param=param,
injectable_param=injectable_param,
injection_type=injection_type,
)
if not dbms:
dbms = resp.dbms
is_injectable = resp.injectable
logger.info(
f"testing for SQL injection on {injection_type} parameter '{param if not is_custom_injection else '#1*'}'"
)
next_param_test = False
for entry in payloads_list:
backend = entry.get("back_end")
title = entry.get("title")
if dbms and dbms.lower() != backend.lower():
logger.debug(f"Skipped '{title}'")
continue
regex = entry.get("regex")
order = entry.get("order")
payloads = entry.get("payloads")
logger.info(f"testing '{title}'")
index = 0
if successful_payload_prefix:
payloads = [
pl for pl in payloads
if pl.prefix == successful_payload_prefix
]
while index < len(payloads):
url = self.url
data = self.data
headers = self.headers
obj = payloads[index]
payload = obj.string
prefix = obj.prefix
suffix = obj.suffix
logger.payload(payload)
it = self._injection_type.upper()
if "HEADER" in it or "COOKIE" in it:
headers = prepare_injection_payload(
text=self.headers,
payload=payload,
param=injectable_param,
unknown_error_counter=unknown_error_counter,
)
if "GET" in it:
url = prepare_injection_payload(
text=self.url,
payload=payload,
param=injectable_param,
unknown_error_counter=unknown_error_counter,
)
if "POST" in it:
data = prepare_injection_payload(
text=self.data,
payload=payload,
param=injectable_param,
unknown_error_counter=unknown_error_counter,
)
try:
if not is_injected:
attemps_counter += 1
response = request.inject_payload(
url=url,
regex=REGEX_TESTS,
data=data,
headers=headers,
use_requests=self._use_requests,
proxy=self._proxy,
)
except KeyboardInterrupt as e:
question = logger.read_input(
"how do you want to proceed? [(S)kip current test/(e)nd detection phase/(n)ext parameter/(q)uit] "
)
if question and question == "e":
end_detection_phase = True
break
if question and question == "s":
break
if question and question == "n":
next_param_test = True
break
if question and question.lower() == "q":
logger.error("user quit")
logger.end("ending")
sys.exit(0)
except Exception as e:
unknown_error_counter += 1
else:
if response.ok:
is_injected = True
successful_payload_prefix = prefix
_ = session.generate(
session_filepath=self._session_filepath)
with open(self._target_file, "w") as fd:
fd.write(
f"{self.url} ({'GET' if 'cookie' in injection_type.lower() else injection_type}) # {' '.join(sys.argv)}"
)
if param:
message = f"{injection_type} parameter '{DIM}{white}{param}{BRIGHT}{black}' is '{DIM}{white}{title}{BRIGHT}{black}' injectable"
else:
message = f"{injection_type} parameter is '{DIM}{white}{title}{BRIGHT}{black}' injectable"
logger.notice(message)
vulns.append({
"injection_type":
f"({injection_type})",
"attempts":
attemps_counter,
"payload":
payload,
"title":
title,
"order":
order,
"regex":
regex,
"injected_param":
injectable_param.replace("*", ""),
"dbms":
dbms,
})
_ = session.dump(
session_filepath=self._session_filepath,
query=PAYLOAD_STATEMENT,
values=(
str(title),
order,
attemps_counter,
payload,
injection_type,
regex,
"test",
injectable_param,
dbms,
),
)
vulnerable_param = param
break
index += 1
if end_detection_phase or next_param_test:
break
if not is_injected:
_param = f"{DIM}{white}'{param}'{BRIGHT}{black}"
logger.notice(
f"{injection_type} parameter {_param} does not seem to be injectable"
)
if end_detection_phase:
if not is_injected:
logger.critical(
"all tested parameters do not appear to be injectable"
)
break
if is_injected and not next_param_test:
if vulnerable_param:
message = f"{injection_type} parameter '{vulnerable_param}' is vulnerable. Do you want to keep testing the others (if any)? [y/N] "
else:
message = f"{injection_type} parameter is vulnerable. Do you want to keep testing the others (if any)? [y/N] "
question = logger.read_input(message,
batch=self._batch,
user_input="N")
if question and question == "n":
break
else:
logger.debug(
"skipping tests as we already have injected the target..")
if vulns and isinstance(vulns, list):
vulns = sorted(
vulns,
key=lambda k: k.get("order")
if k.get("order") else k.get("payload_order"),
reverse=True,
)
dbms = vulns[0].get("dbms")
injection_type = vulns[0].get("injection_type")
injected_param = vulns[0].get("injected_param")
recommended_payload = vulns[0].get("payload")
recommended_payload = clean_up_payload(
payload=recommended_payload,
replaceable_string="0x72306f746833783439")
recommended_payload_type = vulns[0].get("regex")
param = injected_param
if not param and self.headers:
params = extract_params(self.headers,
injection_type=injection_type)
payload = prepare_injection_payload(self.headers,
recommended_payload,
param="").replace(
"%20", " ")
param = ""
for p in params:
sep = ": " if "header" in injection_type.lower() else "="
_param = f"{p.get('key')}{sep}{p.get('value').replace('*', '')}"
_ = f"{_param}{recommended_payload}"
if _ in payload.strip():
param = _param
break
if not is_resumed:
message = f"xpath identified the following injection point(s) with a total of {attemps_counter} HTTP(s) requests:"
if is_resumed:
message = "xpath resumed the following injection point(s) from stored session:"
logger.success(message)
if param:
sep = ":" if "header" in injection_type.lower() else "="
_param = param.split(sep)[0] if sep in param else param
injection_type = f"{_param} {injection_type}"
logger.success(f"---\nParameter: {injection_type}")
text = " Type: error-based\n Title: {title}\n Payload: {_payload}"
ok = []
for v in vulns:
title = v.get("title").strip()
pl = v.get("payload").strip()
if pl[0].lower() in ["a", "o"]:
pl = f" {pl}"
if param and "HEADER" not in injection_type.upper():
pl = f"{param}{pl}"
ok.append(text.format(title=title, _payload=pl))
logger.success("\n\n".join(ok))
logger.success("---")
resp = Response(
is_vulnerable=True,
payloads=vulns,
dbms=dbms,
filepath=self._filepath,
cookies=set_cookie,
headers=set_headers,
injected_param=injected_param,
injection_type=self._injection_type,
session_filepath=self._session_filepath,
recommended_payload=recommended_payload,
recommended_payload_type=recommended_payload_type,
)
else:
resp = Response(
is_vulnerable=False,
dbms=dbms,
payloads=vulns,
filepath=None,
cookies=set_cookie,
headers=set_headers,
injected_param=None,
session_filepath=None,
injection_type=None,
recommended_payload=None,
recommended_payload_type=None,
)
return resp
def is_injectable(
self,
url,
data="",
headers="",
param="",
injectable_param="",
injection_type="",
):
dbms = None
injectable = False
payload = ".,))').\".."
Response = collections.namedtuple("Response", ["dbms", "injectable"])
_temp = Response(dbms=dbms, injectable=injectable)
def perform_request(url,
data,
headers,
payload,
param,
injection_type,
uec=0):
resp = ""
if url and not data and "GET" in injection_type or "URI" in injection_type:
url = prepare_injection_payload(url,
payload,
param=param,
unknown_error_counter=uec)
if data and url and "POST" in injection_type:
data = prepare_injection_payload(data,
payload,
param=param,
unknown_error_counter=uec)
if (headers and url and "HEADER" in injection_type
or "COOKIE" in injection_type):
headers = prepare_injection_payload(headers,
payload,
param=param,
unknown_error_counter=uec)
try:
resp = request.perform(url,
data=data,
headers=headers,
proxy=self._proxy)
except Exception as error:
logger.error(error)
raise error
return resp
try:
resp = perform_request(
url=url,
data=data,
headers=headers,
payload=payload,
param=injectable_param,
injection_type=injection_type.upper(),
)
except Exception as e:
if "URL can't contain control characters" in str(e):
try:
resp = fallback_request(
url=url,
data=data,
headers=headers,
payload=payload,
param=injectable_param,
injection_type=injection_type.upper(),
uec=5,
)
except Exception as error:
raise error
else:
raise e
if resp and resp.text or resp.error_msg:
out = search_dbms_errors(resp.text)
injectable = out.get("vulnerable")
param = f"{DIM}{white}'{param}'{BRIGHT}{black}"
if injectable:
_dbms = out.get("dbms")
dbms = f"{DIM}{white}'{_dbms}'{BRIGHT}{black}"
logger.notice(
f"heuristic (basic) test shows that {injection_type} parameter {param} might be injectable (possible DBMS: {dbms})"
)
_temp = Response(dbms=_dbms, injectable=injectable)
if _dbms.lower() not in ["mysql", "postgresql"]:
logger.info(
f"Xpath currently does not support injection for '{_dbms}', will soon add support.."
)
logger.end("ending")
sys.exit(0)
if not injectable:
logger.notice(
f"heuristic (basic) test shows that {injection_type} parameter {param} might not be injectable"
)
_temp = Response(dbms="", injectable=injectable)
return _temp