#033 信安培训基础题Python解决网络安全实验室|网络信息安全攻防学习平台

2022-11-20 23:15:45

第三题猜猜这是经过了多少次加密？分值: 200

加密后的字符串为:一大串

字符串最后面是=

所以是base64.b64decode编码
究竟为啥有=就是base64咱也不知道 咱也不敢问
咋解密也是从网上随便搜来的我也不会

代码如下

 import base64

 code = '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'

 count = 0

 try:

     while True:

         code = base64.b64decode(code)

         count = count + 1

 except :

     print("经过了" + str(count) + "次加密")

     print('解密后结果为:' +str(code))

运行结果

经过了20次加密

解密后结果为:b'key is jkljdkl232jkljkdl2389'

第五题种族歧视分值: 300

小明同学今天访问了一个网站，竟然不允许中国人访问！太坑了，于是小明同学决心一定要进去一探究竟！
通关地址

使用培训时学长发的爬取学校官网代码，经过简单改装

把网址改成通关地址，

因为不允许中国人访问的，方式是限制中文，究竟为啥是限制中文咱也不知道咱也不敢问

把请求头中的Accept-Language: 删去中文部分，只保留其他文字

修改请求头

 Host: lab1.xseclab.com

 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:66.0) Gecko/20100101 Firefox/66.0

 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

 Accept-Language: q=0.5,en-US;q=0.3,en;q=0.2

 Accept-Encoding: gzip, deflate

 Connection: keep-alive

 Upgrade-Insecure-Requests: 1

 Pragma: no-cache

 Cache-Control: no-cache

代码如下

 import requests

 url = "http://lab1.xseclab.com/base1_0ef337f3afbe42d5619d7a36c19c20ab/index.php"

 headers = {'Accept-Language': 'q=0.5,en-US;q=0.3,en;q=0.2'}

 r = requests.get(url,headers=headers)

 r.encoding = r.apparent_encoding

 r.encoding = 'utf-8'

 print(r.text)

运行结果

 <html>

          <head>

         <meta http-equiv="content-type" content="text/html;charset=utf-8">

     </head>

     <body>

         key is: *(TU687jksf6&*

第六题HAHA浏览器分值: 200

据说信息安全小组最近出了一款新的浏览器，叫HAHA浏览器，有些题目必须通过HAHA浏览器才能答对。小明同学坚决不要装HAHA浏览器，怕有后门，但是如何才能过这个需要安装HAHA浏览器才能过的题目呢？
通关地址

同第五题一致，这次修改浏览器的请求头User-Agent:后面改成HAHA即可

修改请求头

 Host: lab1.xseclab.com

 User-Agent: HAHA

 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

 Accept-Language: q=0.5,en-US;q=0.3,en;q=0.2

 Accept-Encoding: gzip, deflate

 Connection: keep-alive

 Upgrade-Insecure-Requests: 1

 Pragma: no-cache

 Cache-Control: no-cache

代码如下

 import requests

 url = "http://lab1.xseclab.com/base1_0ef337f3afbe42d5619d7a36c19c20ab/index.php"

 headers = {'User-Agent': 'HAHA'}

 r = requests.get(url,headers=headers)

 r.encoding = r.apparent_encoding

 r.encoding = 'utf-8'

 print(request.get_header('User-agent'))

 print(r.text)

运行结果

 <html>

          <head>

         <meta http-equiv="content-type" content="text/html;charset=utf-8">

     </head>

     <body>

         用浏览器才可以！

说明出现了问题

问题分析

1.爬虫被检测？

后来莫名其妙就解决了？我啥也没动？

 <html>

          <head>

         <meta http-equiv="content-type" content="text/html;charset=utf-8">

     </head>

     <body>

         恭喜您，成功安装HAHA浏览器！key is: meiyouHAHAliulanqi

代码还是这个代码

 import requests

 url = "http://lab1.xseclab.com/base6_6082c908819e105c378eb93b6631c4d3/index.php"

 headers = {'User-Agent': 'HAHA'}

 r = requests.get(url,headers=headers)

 #r = requests.get(url)

 r.encoding = r.apparent_encoding

 r.encoding = 'utf-8'

 print(r.text)

第七题key究竟在哪里呢？分值: 200

上一次小明同学轻松找到了key，感觉这么简单的题目多无聊，于是有了找key的加强版，那么key这次会藏在哪里呢？
通关地址

这次答案藏在了响应头

究竟为啥是在响应头咱也不知道咱也不敢问

代码如下

 import urllib.request

 import random

 url="http://lab1.xseclab.com/base7_eb68bd2f0d762faf70c89799b3c1cc52/index.php"

 headerUserAgentList=['Mozilla/5.0(compatible;MSIE9.0;WindowsNT6.1;Trident/5.0',

 'Mozilla/5.0(Macintosh;IntelMacOSX10.6;rv:2.0.1)Gecko/20100101Firefox/4.0.1']

 randomHeaderUserAgent=random.choice(headerUserAgentList)#随机取值

 request=urllib.request.Request(url) #构建请求链接

 request.add_header('User-Agent',randomHeaderUserAgent) #添加User-agent

 response=urllib.request.urlopen(request)

 print(request.get_header('User-agent'))

 print(request.headers)#打印请求头信息

 print(response.headers)#打印响应头信息

运行结果

 Mozilla/5.0(compatible;MSIE9.0;WindowsNT6.1;Trident/5.0

 {'User-agent': 'Mozilla/5.0(compatible;MSIE9.0;WindowsNT6.1;Trident/5.0'}

 Server: nginx

 Date: Thu, 25 Apr 2019 13:45:04 GMT

 Content-Type: text/html

 Transfer-Encoding: chunked

 Connection: close

 Key: kjh%#$#%FDjjj

 Via: 100167

第八题key又找不到了分值: 350

小明这次可真找不到key去哪里了，你能帮他找到key吗？
通关地址

个人问题暂未发现python方法

第九题冒充登陆用户分值: 200

小明来到一个网站，还是想要key，但是却怎么逗登陆不了，你能帮他登陆吗？
通关地址

继续修改请求头把COOKIE的0改成1

究竟为啥是在请求头咱也不知道咱也不敢问

代码对比

 import requests

 url = "http://lab1.xseclab.com/base9_ab629d778e3a29540dfd60f2e548a5eb/index.php"

 headers = {'Cookie': 'Login=0'}

 r = requests.get(url,headers=headers)

 #r = requests.get(url)

 r.encoding = r.apparent_encoding

 r.encoding = 'utf-8'

 print(r.text)

 import requests

 url = "http://lab1.xseclab.com/base9_ab629d778e3a29540dfd60f2e548a5eb/index.php"

 headers = {'Cookie': 'Login=1'}

 r = requests.get(url,headers=headers)

 #r = requests.get(url)

 r.encoding = r.apparent_encoding

 r.encoding = 'utf-8'

 print(r.text)

运行结果

 <html>

          <head>

         <meta http-equiv="content-type" content="text/html;charset=utf-8">

     </head>

     <body>

         您还没有登陆呢！

     </body>

 </html>

 <html>

          <head>

         <meta http-equiv="content-type" content="text/html;charset=utf-8">

     </head>

     <body>

         key is: yescookieedit7823789KJ

第十题比较数字大小分值: 100

只要比服务器上的数字大就可以了！
通关地址

根据网站源码可知，只能提交3位数的值

 <html>

     <head>

         <meta http-equiv=Content-Type content="text/html;charset=utf-8">

     </head>

     <body>

                 <form action="" method="post">

             <input type="text" maxlength="" name="v"/>

             <input type="submit" value="提交"/>

         </form>

     </body>

 </html>

传个比三大的就行了

代码如下

 import urllib.request

 import urllib.parse

 url="http://lab1.xseclab.com/base10_0b4e4866096913ac9c3a2272dde27215/index.php"

 mydata=urllib.parse.urlencode({

     "v":""

 }).encode("utf-8")

 req=urllib.request.Request(url,mydata)

 data=urllib.request.urlopen(req).read()

 print(data)

运行结果

 b'<html>\n

   <head>\n

         <meta http-equiv=Content-Type content="text/html;charset=utf-8">\n

  </head>\n

  <body>\n

           <form action="" method="post">\n

        <input type="text" maxlength="" name="v"/>\n

      <input type="submit" value="\xe6\x8f\x90\xe4\xba\xa4"/>\n

   </form>\n

  </body>\n

 </html>\n

 key is 768HKyu678567&*&K'

码农公寓

第三题猜猜这是经过了多少次加密？分值: 200

代码如下

运行结果

第五题种族歧视分值: 300

修改请求头

代码如下

运行结果

第六题HAHA浏览器分值: 200

修改请求头

代码如下

运行结果

问题分析

第七题key究竟在哪里呢？分值: 200

代码如下

运行结果

第八题key又找不到了分值: 350

第九题冒充登陆用户分值: 200

代码对比

运行结果

第十题比较数字大小分值: 100

代码如下

运行结果

相关文章