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自动化安全脚本学习

1.目录扫描器

目标:使用python编写一个自动化目录扫描工具,实现简单信息收集,判断目标网站是否存在常见路径。

import requests  #用于发HTTP请求
from concurrent.futures import ThreadPoolExecutor #实现多线程扫描# 扫描目标
target = 'http://vulnweb.com'# 常见目录字典
wordlist = ['admin', 'login', 'uploads', 'phpinfo', 'config', 'dashboard', 'include', 'images', 'assets']#扫描函数
def scan(path):url = f"{target.rstrip('/')}/{path}"  # rstrip:用于删除末尾指定符号try:r = requests.get(url, timeout=3) #发起get请求if r.status_code in [200, 403]:  #若返回码是200,403则输出print(f"[+] Found: {url} (Status: {r.status_code})")except requests.RequestException:pass# 线程池并发扫描(用map方法将wordlist中每一项传给scan函数并执行)
with ThreadPoolExecutor(max_workers=10) as executor:executor.map(scan, wordlist)

执行:

扩展:

1)把结果写入文件,而不是直接输出

with open('result.txt', 'a') as f:f.write(f"{url} (Status: {r.status_code})\n")

2)从文件读取字典,而不是自己一个一个写

with open('dict.txt') as f:wordlist = [line.strip() for line in f]

结果:

2.XSS自动化测试器

目标:写一个脚本自动检测GET参数是否存在XSS注入点

import requests
import sys
from urllib.parse import urlparse, parse_qs, urlencode, urlunparse# 用一个简单的 payload 测试是否反射
payload = "<script>alert(1)</script>"def scan_xss(url):parsed = urlparse(url)  # 分解 URL 成分query = parse_qs(parsed.query)  # 获取参数字典 {"q": ["123"], "name": ["abc"]}# 替换每个参数为 payloadnew_query = {}for param in query: new_query[param] = payload# 构造新的 URLencoded_query = urlencode(new_query, doseq=True)new_url = urlunparse((parsed.scheme, parsed.netloc, parsed.path, '', encoded_query, ''))print(f"[*] Testing: {new_url}")try:r = requests.get(new_url, timeout=5)if payload in r.text:print(f"[+] Possible XSS found! Payload reflected in response.")else:print("[-] No reflection detected.")except requests.RequestException as e:print(f"[!] Request failed: {e}")if __name__ == "__main__":if len(sys.argv) != 2:print(f"Usage: python3 {sys.argv[0]} <url>")sys.exit(1)target_url = sys.argv[1]scan_xss(target_url)

requests:用于向目标网站发HTTP请求

sys:用于获取命令行参数

urllib.parse:用来拆解和重建URL,特别是带参数的GET请求地址

payload:最简单的例子,可能还需要绕过

优化:

1.解析命令行参数(argparse)

import argparsedef parse_args():parser = argparse.ArgumentParser(description="XSS 注入检测器")parser.add_argument("-u", "--url", required=True, help="目标 URL(带参数,payload 用 test 占位)")parser.add_argument("-p", "--payloads", help="指定 payload 字典文件")parser.add_argument("-v", "--verbose", action="store_true", help="显示详细信息(每次测试 URL)")parser.add_argument("-o", "--output", help="将检测结果保存到文件")return parser.parse_args()

解释:创建命令行解析器,添加参数规则,-u是必须的,用户必须传入目标URL,-p是可选的,用于指定自定义payload文件,-o是可选的,用于指定保存结果的文件路径,parser.parse_args():把命令行参数解析为对象,代码中通过 args.url 这样访问。

2.加载payload列表

def load_payloads(payload_file=None):if payload_file:with open(payload_file, "r") as f:return [line.strip() for line in f if line.strip()]else:return ["<script>alert(1)</script>","'\"><script>alert(1)</script>","<img src=x onerror=alert(1)>",]

解释:如果用户传了-p,我们从给定的文件中读取每一行,作为一个payload,否则就用内置的三个payload,strip()用于去除换行和空格,确保干净的数据

3.主程序逻辑

import requestsif __name__ == "__main__":args = parse_args()target_url = args.urlpayloads = load_payloads(args.payloads)for payload in payloads:test_url = target_url.replace("test", payload)if args.verbose:print(f"[*] Testing: {test_url}")try:response = requests.get(test_url, timeout=5)except Exception as e:print(f"[!] 请求失败: {e}")continueif payload in response.text:print(f"[+] Possible XSS found! Payload reflected in response: {payload}")if args.output:with open(args.output, "a") as f:f.write(f"{test_url}\n")

解释:

  • args = parse_args():调用刚才定义的函数,获取命令行参数。

  • payloads = load_payloads(...):加载 payload 字典。

  • 遍历每个 payload,替换 URL 中的 test 为 payload。

  • 发起请求(requests.get())并捕获异常。

  • 检查响应中是否回显了 payload,如果是,就打印结果并可选保存。

4.支持自动识别参数并插入payload

目标:程序自动识别所有参数,然后挨个哪这些参数值替换为paylaod,生成多个新URL进行测试

import requests
import sys
from urllib.parse import urlparse, parse_qs, urlencode, urlunparse
import argparse# 默认 XSS payload 列表
DEFAULT_PAYLOADS = ["<script>alert(1)</script>","'\"><script>alert(1)</script>","<img src=x onerror=alert(1)>"
]# ========== 解析参数 ========== #
def parse_args():parser = argparse.ArgumentParser(description="XSS 注入检测器")parser.add_argument("-u", "--url", required=True, help="目标 URL(带参数)")parser.add_argument("-p", "--payloads", help="自定义 payload 字典文件")parser.add_argument("--param", help="只测试指定参数(可选)")parser.add_argument("-v", "--verbose", action="store_true", help="显示详细信息")parser.add_argument("-o", "--output", help="保存结果到文件")return parser.parse_args()# ========== 加载 Payload 文件 ========== #
def load_payloads(filepath):if not os.path.exists(filepath):print(f"[!] 文件不存在: {filepath}")return []with open(filepath, "r", encoding="utf-8") as f:return [line.strip() for line in f if line.strip()]# ========== 生成注入 URL ========== #
def generate_payload_urls(url, payloads, target_param=None):parsed = urlparse(url)params = parse_qs(parsed.query)if not params:print("[!] 未检测到任何参数。")return []result = []if target_param:if target_param not in params:print(f"[!] 参数 {target_param} 不存在。")return []for payload in payloads:new_params = params.copy()new_params[target_param] = [payload]new_query = urlencode(new_params, doseq=True)new_url = urlunparse(parsed._replace(query=new_query))result.append((new_url, payload, target_param))else:for param in params:for payload in payloads:new_params = params.copy()new_params[param] = [payload]new_query = urlencode(new_params, doseq=True)new_url = urlunparse(parsed._replace(query=new_query))result.append((new_url, payload, param))return result# ========== 执行测试并输出结果 ========== #
def test_payload_urls(payload_urls, verbose=False):detected = []for url, payload, param in payload_urls:if verbose:print(f"[*] 正在测试参数 '{param}':{url}")else:print(f"[*] Testing: {param}")try:resp = requests.get(url, timeout=6)if payload in resp.text:print(f"[+] [参数:{param}] 可能存在 XSS 注入:{url}")detected.append((url, param, payload))elif verbose:print(f"[-] [参数:{param}] 未发现反射。")except Exception as e:print(f"[!] 请求失败:{e}")return detected# ========== 保存结果到文件 ========== #
def save_results(output_file, results):with open(output_file, "w", encoding="utf-8") as f:for url, param, payload in results:f.write(f"[XSS] param={param} | payload={payload} | url={url}\n")print(f"[+] 结果已保存至:{output_file}")# ========== 主函数 ========== #
if __name__ == "__main__":args = parse_args()# 加载 payloadsif args.payloads:payloads = load_payloads(args.payloads)if not payloads:print("[!] 自定义 payload 加载失败,使用默认 payload。")payloads = DEFAULT_PAYLOADSelse:payloads = DEFAULT_PAYLOADS# 生成注入 URLinjected_urls = generate_payload_urls(args.url, payloads, args.param)if not injected_urls:return# 检测results = test_payload_urls(injected_urls, verbose=args.verbose)# 输出结果if args.output and results:save_results(args.output, results)
参数类型是否必填说明
-u / --url字符串必须目标带参数的 URL
-p / --payloads字符串(文件路径)可选自定义 payload 文件
--param字符串可选只测试某一个参数(而不是全部)
-v / --verbose布尔值可选是否显示详细信息
-o / --output字符串(文件路径)可选将结果写入文件

示例:

1)自动遍历所有参数

python3 xss_scan.py -u "https://example.com/page?search=test"

2)指定测试参数q

python3 xss_scan.py -u "https://example.com/page?q=test&lang=en" --param q

3)使用自定义payload文件

python3 xss_scan.py -u "https://example.com/page?q=test" -p my_payloads.txt

4)保存检测结果到文件

python3 xss_scan.py -u "https://example.com/page?q=test" -o results.txt

5)详细模式查看全部过程

python3 xss_scan.py -u "https://example.com/page?q=test" -v

5.添加POST请求

1)修改扩展命令行参数,添加POST和data

parser.add_argument("-m", "--method", choices=["GET", "POST"], default="GET", help="请求方法,默认GET")
parser.add_argument("-d", "--data", help="POST请求的数据,格式:param1=val1&param2=val2")

2)修改生成带payload的请求函数,支持GET和POST两种模式

from urllib.parse import urlparse, parse_qs, urlencode, urlunparsedef generate_payload_requests(url, payloads, method="GET", data=None, target_param=None):"""根据请求类型生成带 payload 的请求列表。返回格式:- GET 请求:(url, None, payload, param)- POST 请求:(url, post_data, payload, param)"""results = []if method.upper() == "GET":parsed = urlparse(url)params = parse_qs(parsed.query)if not params:print("[!] 未检测到任何 GET 参数。")return []if target_param:if target_param not in params:print(f"[!] 参数 {target_param} 不存在于 GET 参数中。")return []for payload in payloads:new_params = params.copy()new_params[target_param] = [payload]new_query = urlencode(new_params, doseq=True)new_url = urlunparse(parsed._replace(query=new_query))results.append((new_url, None, payload, target_param))else:for param in params:for payload in payloads:new_params = params.copy()new_params[param] = [payload]new_query = urlencode(new_params, doseq=True)new_url = urlunparse(parsed._replace(query=new_query))results.append((new_url, None, payload, param))elif method.upper() == "POST":if not data:print("[!] POST 请求必须提供 data 参数。")return []post_params = parse_qs(data)if not post_params:print("[!] 未检测到任何 POST 参数。")return []if target_param:if target_param not in post_params:print(f"[!] 参数 {target_param} 不存在于 POST 参数中。")return []for payload in payloads:new_post_params = post_params.copy()new_post_params[target_param] = [payload]new_post_data = urlencode(new_post_params, doseq=True)results.append((url, new_post_data, payload, target_param))else:for param in post_params:for payload in payloads:new_post_params = post_params.copy()new_post_params[param] = [payload]new_post_data = urlencode(new_post_params, doseq=True)results.append((url, new_post_data, payload, param))else:print(f"[!] 不支持的请求方法: {method}")return []return results

3)修改请求发送和检测函数

import requestsdef test_payload_requests(requests_list, verbose=False):detected = []for method, url, post_data, payload, param in requests_list:try:if method == "GET":response = requests.get(url, timeout=10)else:  # POSTheaders = {"Content-Type": "application/x-www-form-urlencoded"}response = requests.post(url, data=post_data, headers=headers, timeout=10)if payload in response.text:detected.append( (method, url, post_data, payload, param) )if verbose:print(f"[+] 发现可能的XSS,参数: {param},Payload: {payload},请求方式: {method}")elif verbose:print(f"[-] 无XSS,参数: {param},Payload: {payload},请求方式: {method}")except Exception as e:print(f"[!] 请求异常: {e}")return detected

4)修改main

requests_list = generate_payloads_for_request(url=args.url,payloads=payloads,method=args.method,data=args.data,target_param=args.param)

示例:

# GET 模式全参数扫描
python xss_scan.py -u "https://example.com/search?q=test&cat=1" -m GET# GET 模式只扫描 q 参数
python xss_scan.py -u "https://example.com/search?q=test&cat=1" -m GET --param q# POST 模式全参数扫描
python xss_scan.py -u "https://example.com/submit" -m POST -d "username=alice&comment=hello"# POST 模式只扫描 comment 参数
python xss_scan.py -u "https://example.com/submit" -m POST -d "username=alice&comment=hello" --param comment

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