Web Service Finder v1.0
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web_service_finder.py
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204
web_service_finder.py
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#!/usr/bin/env python
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import re
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import sys
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import argparse
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import requests
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import urllib.parse
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from bs4 import BeautifulSoup
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class WebServicecFinder:
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def __init__(self, args):
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self.parseUrl(args.url)
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self.parseCookies(args.cookie)
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self.headers = { }
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self.session = requests.Session()
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self.verbose = args.verbose
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if args.user_agent:
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self.headers["User-Agent"] = args.user_agent
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def parseUrl(self, url):
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parts = urllib.parse.urlparse(url)
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if parts.scheme == '':
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self.url = "http://" + url
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self.scheme = "http"
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elif parts.scheme not in ["http","https"]:
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print("[-] Unsupported URL scheme:", parts.scheme)
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exit(1)
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else:
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self.url = url
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self.scheme = parts.scheme
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def resolve(self, uri):
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if uri is None or uri.strip() == "":
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return self.url
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elif urllib.parse.urlparse(uri).scheme != "":
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return uri
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target = self.url
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if not target.endswith("/"):
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target += "/"
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if uri.startswith("/"):
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uri = uri[1:]
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return target + uri
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def do_get(self, uri, **args):
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uri = self.resolve(uri)
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if self.verbose:
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sys.stdout.write("GET %s: " % uri)
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res = self.session.get(uri, headers=self.headers, cookies=self.cookies, **args)
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if self.verbose:
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sys.stdout.write("%d %s\n" % (res.status_code, res.reason))
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return res
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def parseCookies(self, cookie_list):
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self.cookies = { }
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if cookie_list:
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for cookie in cookie_list:
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cookie = cookie.strip()
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if "=" in cookie:
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index = cookie.find("=")
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key, val = cookie[0:index], cookie[index+1:]
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self.cookies[key] = val
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else:
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self.cookies[cookie] = ""
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def scan(self):
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print("[ ] Retrieving:", self.url)
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uri = "/"
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while True:
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startPage = self.do_get(uri, allow_redirects=False)
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if startPage.status_code in [301, 302, 397, 308]:
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uri = startPage.headers["Location"]
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if urllib.parse.urlparse(uri).scheme == "https" and self.scheme == "http":
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self.url = self.url.replace("http","https",1)
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self.scheme = "https"
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print("[+] Server redirecting to:", uri)
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else:
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break
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self.analyseHeaders(startPage)
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self.analyseHtml(startPage)
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self.analyseRobots()
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self.analyseSitemap()
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def analyseHeaders(self, res):
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phpFound = False
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banner_headers = ["Server", "X-Powered-By", "X-Runtime", "X-Version"]
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for banner in banner_headers:
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if banner in res.headers:
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phpFound = phpFound or ("PHP" in res.headers[banner])
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print("[+] %s Header: %s" % (banner, res.headers[banner]))
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if not phpFound and "PHPSESSID" in self.session.cookies:
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print("[+] PHP detected, unknown version")
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def printMatch(self, title, match, group=1, version_func=str):
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if match:
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version = "Unknown version" if group is None else version_func(match.group(group))
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print("[+] Found %s: %s" % (title, version))
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return True
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return False
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def collectUrls(self, soup):
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urls = set()
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attrs = ["src","href"]
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tags = ["a","link","script","img"]
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for tag in tags:
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for e in soup.find_all(tag):
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for attr in attrs:
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if e.has_attr(attr):
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urls.add(e[attr])
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return urls
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def retrieveMoodleVersion(self, v):
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res = requests.get("https://docs.moodle.org/dev/Releases")
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soup = BeautifulSoup(res.text, "html.parser")
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versionStr = "Unknown"
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for tr in soup.find_all("tr"):
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tds = tr.find_all("td")
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th = tr.find("th")
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if len(tds) == 4 and th and int(tds[1].text.strip()) == v:
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versionStr = th.text.strip()
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if versionStr.startswith("Moodle "):
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versionStr = versionStr[len("Moodle"):].strip()
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break
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return "%s (%d)" % (versionStr, v)
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def analyseHtml(self, res):
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soup = BeautifulSoup(res.text, "html.parser")
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meta_generator = soup.find("meta", {"name":"generator"})
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if meta_generator:
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print("[+] Meta Generator:", meta_generator["content"].strip())
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footer = soup.find("footer")
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if footer:
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content = footer.text.strip()
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gogs_pattern = re.compile(r"(^|\s)Gogs Version: ([a-zA-Z0-9.-]+)($|\s)")
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go_pattern = re.compile(r"(^|\s)Go([0-9.]+)($|\s+)")
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self.printMatch("Gogs", gogs_pattern.search(content), 2)
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self.printMatch("Go", go_pattern.search(content), 2)
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moodle_pattern_1 = re.compile(r"^https://download.moodle.org/mobile\?version=(\d+)(&|$)")
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moodle_pattern_2 = re.compile(r"^https://docs.moodle.org/(\d+)/")
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litecart_pattern = re.compile(r"^https://www.litecart.net")
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wordpress_pattern = re.compile(r"/wp-(admin|includes|content)/(([^/]+)/)*(wp-emoji-release.min.js|block-library/style.min.css)\?ver=([0-9.]+)(&|$)")
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urls = self.collectUrls(soup)
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for url in urls:
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self.printMatch("Moodle", moodle_pattern_1.search(url), version_func=lambda v: self.retrieveMoodleVersion(int(v)))
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self.printMatch("Moodle", moodle_pattern_2.search(url), version_func=lambda v: "%d.%d" % (int(v)//10,int(v)%10))
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self.printMatch("Litecart", litecart_pattern.search(url), group=None)
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if self.printMatch("Wordpress", wordpress_pattern.search(url), group=5):
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print("[ ] You should consider using 'wpscan' for further investigations and more accurate results")
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def analyseRobots(self):
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res = self.do_get("/robots.txt", allow_redirects=False)
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if res.status_code in (301,302,404,403):
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print("[-] robots.txt not found or inaccessible")
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return False
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def analyseSitemap(self):
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res = self.do_get("/sitemap.xml", allow_redirects=False)
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if res.status_code in (301,302,404,403):
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print("[-] sitemap.xml not found or inaccessible")
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return False
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def banner():
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print("""
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,--------. ,--. ,--------. ,--. ,--. ,--.
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'--. .--',---. ,---.,-' '-.'--. .--',---. ,---. | | ,--. ,--. / | / \\
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| | | .-. :( .-''-. .-' | | | .-. || .-. || | \ `' / `| | | () |
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| | \ --..-' `) | | | | ' '-' '' '-' '| | \ / | |.--.\ /
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`--' `----'`----' `--' `--' `---' `---' `--' `--' `--''--' `--'
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""")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("url", help="The target URI to scan to, e.g. http://example.com:8080/dir/")
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parser.add_argument("--proxy", help="Proxy to connect through") # TODO
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parser.add_argument("--user-agent", help="User-Agent to use")
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parser.add_argument("--cookie", help="Cookies to send", action='append')
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parser.add_argument('--verbose', '-v', help="Verbose otuput", action='store_true')
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args = parser.parse_args()
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banner()
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client = WebServicecFinder(args)
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client.scan()
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