def __init__(self, host):
self.host = host
self.cnames = host.dns_results.get('CNAME')
self.request_handler = RequestHandler()
self.web_server_validator = WebServerValidator()
self.waf_present = False
self.waf_cname_map = {
"incapdns": "Incapsula",
"edgekey": "Akamai",
"akamai": "Akamai",
"edgesuite": "Akamai",
"distil": "Distil Networks",
"cloudfront": "CloudFront",
"netdna-cdn": "MaxCDN"
}
self.waf_app_method_map = {
"CloudFront": WAFApplicationMethods.detect_cloudfront,
"Cloudflare": WAFApplicationMethods.detect_cloudflare,
"Incapsula": WAFApplicationMethods.detect_incapsula,
"MaxCDN": WAFApplicationMethods.detect_maxcdn,
"Edgecast": WAFApplicationMethods.detect_edgecast,
"Distil Networks": WAFApplicationMethods.detect_distil
}
log_file = HelpUtilities.get_output_path("{}/WAF.txt".format(
self.host.target))
self.logger = Logger(log_file)
def __init__(self, host, full_scan, scripts, services, port_range):
self.target = host.target
self.full_scan = full_scan
self.scripts = scripts
self.services = services
self.port_range = port_range
self.path = HelpUtilities.get_output_path("{}/nmap_scan.txt".format(
self.target))
self.logger = Logger(self.path)
self.script = self.build_script()
def __init__(self, host):
self.host = host
self.request_handler = RequestHandler()
self.web_server_validator = WebServerValidator()
self.web_scan_results = []
self.headers = None
self.robots = None
log_file = HelpUtilities.get_output_path("{}/web_scan.txt".format(self.host.target))
self.target_dir = "/".join(log_file.split("/")[:-1])
self.logger = Logger(log_file)
def __init__(self, host, port=443):
super().__init__(host)
self.target = host.target
self.port = port
self._versions = ("tls1", "tls1_1", "tls1_2")
# OpenSSL likes to hang, Linux timeout to the rescue
self._base_script = "timeout 10 openssl s_client -connect {}:{} ".format(
self.target, self.port)
self.begin = "-----BEGIN CERTIFICATE-----"
self.end = "-----END CERTIFICATE-----"
self.sni_data = {}
self.non_sni_data = {}
self.ciphers = ""
log_file = HelpUtilities.get_output_path("{}/tls_report.txt".format(
self.target))
self.logger = Logger(log_file)
def __init__(self, target, dns_records):
self.target = target.strip()
self.dns_records = dns_records
self.port = 80
self.protocol = "http"
self.is_ip = False
self.fqdn = None
self.naked = None
self.dns_results = {}
self.logger = SystemOutLogger()
class Host:
"""
Host parsing, IP to host resolution (and vice verse), etc
Sets domain/IP, port, protocol. also tries to parse FQDN, naked domain, if possible.
"""
def __init__(self, target, dns_records):
self.target = target.strip()
self.dns_records = dns_records
self.port = 80
self.protocol = "http"
self.is_ip = False
self.fqdn = None
self.naked = None
self.dns_results = {}
self.logger = SystemOutLogger()
def __str__(self):
return self.target
def __repr__(self):
return self.__dict__
@staticmethod
def _create_host_dir(path):
try:
os.mkdir("/".join(path.split("/")[:-1]))
except FileExistsError:
pass
def validate_ip(self, addr=None):
if not addr:
addr = self.target
try:
ip_address(addr.strip())
return True
except ValueError:
return
def _extract_port(self, addr):
try:
self.target, self.port = addr.split(":")
self.port = int(self.port)
self.logger.info("{} Port detected: {}".format(
COLORED_COMBOS.GOOD, self.port))
except IndexError:
self.logger.info(
"{} Did not detect port. Using default port 80".format(
COLORED_COMBOS.WARNING))
return
return
def _is_proto(self, domain=None):
if not domain:
domain = self.target
if "://" in domain:
if any(domain.startswith(proto) for proto in ("https", "http")):
return True
else:
raise HostHandlerException(
"Unknown or unsupported protocol: {}".format(
self.target.split("://")[0]))
return
def write_up(self):
self.logger.info("{} Writing DNS query results".format(
COLORED_COMBOS.GOOD, self))
for record in self.dns_results:
self.logger.debug(record + "\n")
for value in self.dns_results.get(record):
self.logger.debug("\t{}".format(value))
def create_host_dir_and_set_file_logger(self):
log_file = HelpUtilities.get_output_path("{}/dns_records.txt".format(
self.target))
self._create_host_dir(log_file)
self.logger = Logger(log_file)
def parse(self):
"""
Try to extract domain (full, naked, sub-domain), IP and port.
"""
if self.target.endswith("/"):
self.target = self.target[:-1]
if self._is_proto(self.target):
try:
self.protocol, self.target = self.target.split("://")
self.logger.info("{} Protocol detected: {}".format(
COLORED_COMBOS.GOOD, self.protocol))
if self.protocol.lower() == "https" and self.port == 80:
self.port = 443
except ValueError:
raise HostHandlerException(
"Could not make domain and protocol from host")
if ":" in self.target:
self._extract_port(self.target)
if self.validate_ip(self.target):
self.logger.info("{} Detected {} as an IP address.".format(
COLORED_COMBOS.GOOD, self.target))
self.is_ip = True
else:
domains = []
if self.target.startswith("www."):
# Obviously an FQDN
domains.extend((self.target, self.target.split("www.")[1]))
self.fqdn = self.target
self.naked = ".".join(self.fqdn.split('.')[1:])
else:
# Can't be sure if FQDN or just naked domain
domains.append(self.target)
self.dns_results = DNSHandler.query_dns(domains, self.dns_records)
if self.dns_results.get("CNAME"):
# Naked domains shouldn't hold CNAME records according to RFC regulations
self.logger.info(
"{} Found {} to be an FQDN by CNAME presence in DNS records"
.format(COLORED_COMBOS.GOOD, self.target))
self.fqdn = self.target
self.naked = ".".join(self.fqdn.split('.')[1:])
self.create_host_dir_and_set_file_logger()
self.write_up()
def create_host_dir_and_set_file_logger(self):
log_file = HelpUtilities.get_output_path("{}/dns_records.txt".format(
self.target))
self._create_host_dir(log_file)
self.logger = Logger(log_file)
class WAF:
def __init__(self, host):
self.host = host
self.cnames = host.dns_results.get('CNAME')
self.request_handler = RequestHandler()
self.web_server_validator = WebServerValidator()
self.waf_present = False
self.waf_cname_map = {
"incapdns": "Incapsula",
"edgekey": "Akamai",
"akamai": "Akamai",
"edgesuite": "Akamai",
"distil": "Distil Networks",
"cloudfront": "CloudFront",
"netdna-cdn": "MaxCDN"
}
self.waf_app_method_map = {
"CloudFront": WAFApplicationMethods.detect_cloudfront,
"Cloudflare": WAFApplicationMethods.detect_cloudflare,
"Incapsula": WAFApplicationMethods.detect_incapsula,
"MaxCDN": WAFApplicationMethods.detect_maxcdn,
"Edgecast": WAFApplicationMethods.detect_edgecast,
"Distil Networks": WAFApplicationMethods.detect_distil
}
log_file = HelpUtilities.get_output_path("{}/WAF.txt".format(
self.host.target))
self.logger = Logger(log_file)
def _waf_detected(self, name):
self.logger.info(
"{} Detected WAF presence in web application: {}{}{}".format(
COLORED_COMBOS.BAD, COLOR.RED, name, COLOR.RESET))
self.waf_present = True
def _detect_by_cname(self):
for waf in self.waf_cname_map:
if any(waf in str(cname) for cname in self.cnames):
self.logger.info(
"{} Detected WAF presence in CNAME: {}{}{}".format(
COLORED_COMBOS.BAD, COLOR.RED,
self.waf_cname_map.get(waf), COLOR.RESET))
self.waf_present = True
def _detect_by_application(self):
try:
response = self.request_handler.send(
"HEAD",
timeout=20,
allow_redirects=True,
url="{}://{}:{}".format(self.host.protocol, self.host.target,
self.host.port))
for waf, method in self.waf_app_method_map.items():
result = method(response.headers)
if result:
self._waf_detected(waf)
except (ConnectionError, TooManyRedirects) as e:
raise WAFException("Couldn't get response from server.\n"
"Caused due to exception: {}".format(str(e)))
async def detect(self):
self.logger.info("{} Trying to detect WAF presence in {}".format(
COLORED_COMBOS.INFO, self.host))
if self.cnames:
self._detect_by_cname()
try:
self.web_server_validator.validate_target_webserver(self.host)
self._detect_by_application()
if not self.waf_present:
self.logger.info(
"{} Did not detect WAF presence in target".format(
COLORED_COMBOS.GOOD))
except WebServerValidatorException:
self.logger.info(
"{} Target does not seem to have an active web server on port: {}\n"
"No WAF could be detected on an application level.".format(
COLORED_COMBOS.WARNING, self.host.port))
class WebApplicationScanner:
def __init__(self, host):
self.host = host
self.request_handler = RequestHandler()
self.web_server_validator = WebServerValidator()
self.web_scan_results = []
self.headers = None
self.robots = None
log_file = HelpUtilities.get_output_path("{}/web_scan.txt".format(self.host.target))
self.target_dir = "/".join(log_file.split("/")[:-1])
self.logger = Logger(log_file)
def _detect_cms(self, tries=0):
"""
Detect CMS using whatcms.org.
Has a re-try mechanism because false negatives may occur
:param tries: Count of tries for CMS discovery
"""
page = requests.get("https://whatcms.org/?s={}".format(self.host.target))
soup = BeautifulSoup(page.text, "lxml")
found = soup.select(".panel.panel-success")
if found:
try:
cms = [a for a in soup.select("a") if "/c/" in a.get("href")][0]
self.logger.info("{} CMS detected: target is using {}{}{}".format(
COLORED_COMBOS.GOOD, COLOR.GREEN, cms.get("title"), COLOR.RESET))
except IndexError:
if tries >= 4:
return
else:
self._detect_cms(tries=tries + 1)
else:
if tries >= 4:
return
else:
self._detect_cms(tries=tries + 1)
def _cookie_info(self, jar):
for cookie in jar:
key = cookie.__dict__.get("name")
value = cookie.__dict__.get("value")
domain = cookie.__dict__.get("domain")
secure = cookie.__dict__.get("secure")
try:
if domain in self.host.target or self.host.target in domain:
if not secure:
self.logger.info(
"%s Found cookie without secure flag: {%s: %s}" % (COLORED_COMBOS.GOOD, key, value)
)
except TypeError:
continue
def _server_info(self):
if self.headers.get("server"):
self.logger.info("{} Web server detected: {}{}{}".format(
COLORED_COMBOS.GOOD, COLOR.GREEN, self.headers.get("server"), COLOR.RESET))
def _x_powered_by(self):
if self.headers.get("X-Powered-By"):
self.logger.info("{} X-Powered-By header detected: {}{}{}".format(
COLORED_COMBOS.GOOD, COLOR.GREEN, self.headers.get("X-Powered-By"), COLOR.RESET))
def _anti_clickjacking(self):
if not self.headers.get("X-Frame-Options"):
self.logger.info(
"{} X-Frame-Options header not detected - target might be vulnerable to clickjacking".format(
COLORED_COMBOS.GOOD)
)
def _xss_protection(self):
xss_header = self.headers.get("X-XSS-PROTECTION")
if xss_header and "1" in xss_header:
self.logger.info("{} Found X-XSS-PROTECTION header".format(COLORED_COMBOS.BAD))
def _cors_wildcard(self):
if self.headers.get("Access-Control-Allow-Origin") == "*":
self.logger.info("{} CORS wildcard detected".format(COLORED_COMBOS.GOOD))
def _robots(self):
res = self.request_handler.send(
"GET",
url="{}://{}:{}/robots.txt".format(
self.host.protocol,
self.host.target,
self.host.port
)
)
if res.status_code != 404 and res.text and "<!DOCTYPE html>" not in res.text:
self.logger.info("{} Found robots.txt".format(COLORED_COMBOS.GOOD))
with open("{}/robots.txt".format(self.target_dir), "w") as file:
file.write(res.text)
def _sitemap(self):
res = self.request_handler.send(
"GET",
url="{}://{}:{}/sitemap.xml".format(
self.host.protocol,
self.host.target,
self.host.port
)
)
if res.status_code != 404 and res.text and "<!DOCTYPE html>" not in res.text:
self.logger.info("{} Found sitemap.xml".format(COLORED_COMBOS.GOOD))
with open("{}/sitemap.xml".format(self.target_dir), "w") as file:
file.write(res.text)
def get_web_application_info(self):
session = self.request_handler.get_new_session()
try:
with session:
# Test if target is serving HTTP requests
response = session.get(
timeout=20,
url="{}://{}:{}".format(
self.host.protocol,
self.host.target,
self.host.port
)
)
self.headers = response.headers
self._detect_cms()
self._robots()
self._sitemap()
self._server_info()
self._x_powered_by()
self._cors_wildcard()
self._xss_protection()
self._anti_clickjacking()
self._cookie_info(session.cookies)
except (ConnectionError, TooManyRedirects) as e:
raise WebAppScannerException("Couldn't get response from server.\n"
"Caused due to exception: {}".format(str(e)))
async def run_scan(self):
self.logger.info("{} Trying to collect {} web application data".format(COLORED_COMBOS.INFO, self.host))
try:
self.web_server_validator.validate_target_webserver(self.host)
self.get_web_application_info()
except WebServerValidatorException:
self.logger.info(
"{} Target does not seem to have an active web server on port: {}. "
"No web application data will be gathered.".format(COLORED_COMBOS.WARNING, self.host.port))
return
class TLSHandler(TLSCipherSuiteChecker):
def __init__(self, host, port=443):
super().__init__(host)
self.target = host.target
self.port = port
self._versions = ("tls1", "tls1_1", "tls1_2")
# OpenSSL likes to hang, Linux timeout to the rescue
self._base_script = "timeout 10 openssl s_client -connect {}:{} ".format(
self.target, self.port)
self.begin = "-----BEGIN CERTIFICATE-----"
self.end = "-----END CERTIFICATE-----"
self.sni_data = {}
self.non_sni_data = {}
self.ciphers = ""
log_file = HelpUtilities.get_output_path("{}/tls_report.txt".format(
self.target))
self.logger = Logger(log_file)
def _tls_results_exist(self):
if all(not x for x in (self.ciphers, *self.non_sni_data.values(),
*self.sni_data.values())):
return
return True
def _are_certificates_identical(self):
"""
Validate that both certificates exist.
:returns: True if they are identical, False otherwise
"""
sni_cert = self.sni_data.get("Certificate_details")
non_sni_cert = self.non_sni_data.get("Certificate_details")
if all(cert for cert in (sni_cert, non_sni_cert)
if cert) and sni_cert == non_sni_cert:
return True
return
def _is_certificate_exists(self, text):
if self.begin in text and self.end in text:
return True
return
async def _extract_certificate_details(self, data):
process = await create_subprocess_exec("timeout",
"5",
"openssl",
"x509",
"-text",
stdin=PIPE,
stderr=PIPE,
stdout=PIPE)
result, err = await process.communicate(
input=bytes(data, encoding='ascii'))
result = result.decode().strip()
cert_details = result.split(self.begin)[0].strip()
result_lines = cert_details.split("\n")
for i, line in enumerate(result_lines):
if "DNS:" in line:
result_lines.pop(i)
result_lines.pop(i - 1)
cert_details = "\n".join(result_lines)
return cert_details
async def is_heartbleed_vulnerable(self):
script = self._base_script + "-tlsextdebug"
process = await create_subprocess_exec(*script.split(),
stdout=PIPE,
stderr=PIPE)
result, err = await process.communicate()
try:
if "server extension \"heartbeat\" (id=15)" in result.decode(
).strip():
self.logger.info(
"{} Target seems to be vulnerable to Heartbleed - CVE-2014-0160"
.format(COLORED_COMBOS.GOOD))
except TypeError: # Type error means no result
pass
async def _execute_ssl_data_extraction(self, sni=False):
"""
Test for version support (SNI/non-SNI), get all SANs, get certificate details
:param sni: True will call cause _exec_openssl to call openssl with -servername flag
"""
# Do for all responses
responses = await self._run_openssl_sclient_cmd(self._base_script, sni)
tls_dict = self._parse_openssl_sclient_output(responses)
# Do for one successful SSL response
for res in responses:
if self._is_certificate_exists(res):
tls_dict["SANs"] = await self._get_sans_from_openssl_cmd(res)
tls_dict[
"Certificate_details"] = await self._extract_certificate_details(
res)
break
return tls_dict
async def _run_openssl_sclient_cmd(self, script, sni=False):
processes = []
outputs = []
if sni:
script += " -servername {}".format(self.target)
for v in self._versions:
curr = (script + ' -{}'.format(v)).split()
processes.append(await create_subprocess_exec(*curr,
stdout=PIPE,
stderr=PIPE))
for p in processes:
result, err = await p.communicate()
outputs.append(result.decode().strip())
return outputs
@staticmethod
async def _get_sans_from_openssl_cmd(data):
process = await create_subprocess_exec("openssl",
"x509",
"-noout",
"-text",
stdin=PIPE,
stderr=PIPE,
stdout=PIPE)
result, err = await process.communicate(
input=bytes(data, encoding='ascii'))
sans = re.findall(r"DNS:\S*\b", result.decode().strip())
return {san.replace("DNS:", '') for san in sans}
def _parse_openssl_sclient_output(self, results):
is_supported = {"TLSv1": False, "TLSv1.1": False, "TLSv1.2": False}
for res in results:
if not self._is_certificate_exists(res):
continue
for line in res.split('\n'):
if "Protocol" in line:
ver = line.strip().split(':')[1].strip()
is_supported[ver] = True
return is_supported
def _dictionary_log_procedure(self, result_dict):
for k, v in result_dict.items():
if k == "SANs":
self.logger.debug("{0}:\n{1}\n {2}\n{1}\n".format(
k, "-" * 15, "\n".join(v)))
elif k == "Certificate_details":
self.logger.debug(v)
else:
self.logger.debug("{}: {}\n".format(k, v))
def write_up(self):
self.logger.info("Supporting Ciphers:\n")
self.logger.info(self.ciphers + "\n")
self.logger.debug("-" * 80 + "\n")
self.logger.debug("SNI Data:\n")
self._dictionary_log_procedure(self.sni_data)
self.logger.debug("-" * 80 + "\n")
self.logger.debug("non-SNI Data:\n")
self._dictionary_log_procedure(self.non_sni_data)
async def run(self, sni=True):
self.logger.info("{} Started collecting TLS data for {}".format(
COLORED_COMBOS.INFO, self.target))
self.ciphers = await self.scan_ciphers(self.port)
self.non_sni_data = await self._execute_ssl_data_extraction()
if sni:
self.sni_data = await self._execute_ssl_data_extraction(sni=sni)
await self.is_heartbleed_vulnerable()
if self._tls_results_exist():
self.logger.info("{} Done collecting TLS data".format(
COLORED_COMBOS.GOOD))
if self._are_certificates_identical():
self.non_sni_data[
"Certificate_details"] = "Same as SNI Certificate"
self.write_up()
else:
self.logger.info(
"{} Could not obtain any TLS data from target on port {}. "
"Target may not support SSL/TLS or supports it on a different port."
.format(COLORED_COMBOS.BAD, self.port))