漏洞扫描器AWVS扫描器简单分析

Posted 南瓜__pumpkin

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文章目录

0x01 前言

0x02 抓包分析

简单抓包看了下，值得学习的一点：发送10个左右请求，计算站点的平均响应时间。

这么抓包分析目的性偏弱，上网找到一些相关资料，还是站在巨人的肩膀上进行学习吧。

从自动发包的请求来看，手动抓包并重放的方式，会影响AWVS的请求内容。抓包重放的方式，参考价值不大。

手动抓包并重放（AWVS显示发送了6个请求）（参考价值不大）

抓包方式：手动拦截请求包并重放。

第一个请求包

GET / HTTP/1.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

第二个请求包

GET /p1KaLmIg2kB7fZp5 HTTP/1.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

第三个请求包：GET /?gGBw=vsCx&firc=<> HTTP/1.1
第四个：GET / HTTP/1.1
第五个：GET /p1KaLmIg2kB7fZp5 HTTP/1.1
第六个：GET /?gGBw=vsCx&firc=<> HTTP/1.1
第七个：GET /p1KaLmIg2kB7fZp5 HTTP/1.1
第8个：GET / HTTP/1.1
第9个：GET /p1KaLmIg2kB7fZp5 HTTP/1.1
第10个：GET /?gGBw=vsCx&firc=<> HTTP/1.1

此时AWVS扫描页面：请求数量是1，计算了平均响应时间。

第11个请求包，服务器返回404

POST / HTTP/1.1
Content-Type: application/json
Accept: application/json
Accept-Encoding: gzip, deflate
Content-Length: 737
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

"operationName":"IntrospectionQuery","variables":,"query":"query IntrospectionQuery  __schema  queryType  name  mutationType  name  types  ...FullType    fragment FullType on __Type  kind name description fields(includeDeprecated: false)  name description args  ...InputValue  type  ...TypeRef   inputFields  ...InputValue  interfaces  ...TypeRef  enumValues(includeDeprecated: false)  name description  possibleTypes  ...TypeRef  fragment InputValue on __InputValue  name description type  ...TypeRef  defaultValue fragment TypeRef on __Type  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name       "

第12个请求包，服务器返回404

POST /graphql HTTP/1.1
Content-Type: application/json
Accept: application/json
Accept-Encoding: gzip, deflate
Content-Length: 737
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

"operationName":"IntrospectionQuery","variables":,"query":"query IntrospectionQuery  __schema  queryType  name  mutationType  name  types  ...FullType    fragment FullType on __Type  kind name description fields(includeDeprecated: false)  name description args  ...InputValue  type  ...TypeRef   inputFields  ...InputValue  interfaces  ...TypeRef  enumValues(includeDeprecated: false)  name description  possibleTypes  ...TypeRef  fragment InputValue on __InputValue  name description type  ...TypeRef  defaultValue fragment TypeRef on __Type  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name       "

第13个：GET / HTTP/1.1

第14个，探测8161端口，伪造身份验证字段Authorization

GET /admin/ HTTP/1.1
Authorization: Basic YWRtaW46YWRtaW4=（base64解密结果是admin:admin）
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1:8161
Connection: close

第15个：GET /vYyxCPJNGO.jsp
第16个：GET /bal
第17个：伪造Referer字段

GET /ad.php HTTP/1.1
Referer: http://127.0.0.1/
Host: 127.0.0.1

第18个：伪造Referer字段

GET /adminer.php HTTP/1.1
Referer: http://127.0.0.1/
Host: 127.0.0.1

第19-22个：伪造Referer字段，同第17和18个

/_adminer.php
/Adminer.php
/ad.php

第23个：探测8161端口

GET /jobmanager/logs/..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252fetc%252fshells HTTP/1.1
Host: 127.0.0.1:8081

第24个：访问bxss.me域名进行认证

POST /ng/auth HTTP/1.1
Content-Type: application/x-www-form-urlencoded
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip, deflate
Content-Length: 57
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: bxss.me
Connection: close

user_id=009247&token=f61f2d2d-c11e-461d-8469-0c4924bdc4a2

第25个：

POST / HTTP/1.1
Content-Type: application/json
Accept: application/json
Accept-Encoding: gzip, deflate
Content-Length: 737
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

"operationName":"IntrospectionQuery","variables":,"query":"query IntrospectionQuery  __schema  queryType  name  mutationType  name  types  ...FullType    fragment FullType on __Type  kind name description fields(includeDeprecated: false)  name description args  ...InputValue  type  ...TypeRef   inputFields  ...InputValue  interfaces  ...TypeRef  enumValues(includeDeprecated: false)  name description  possibleTypes  ...TypeRef  fragment InputValue on __InputValue  name description type  ...TypeRef  defaultValue fragment TypeRef on __Type  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name       "

第26个：POST数据等等都与第25个相同

POST /graphql

第27个：GET /bal
第28个：GET /adminer.php
第29个：GET /
第30个：GET /Adminer.php，伪造Referer头
第31-32个：同上开始进行目录遍历，伪造Referer头

GET /_adminer.php
GET /ad.php

第33个：GET /vYyxCPJNGO.jsp
第34个：与之前数据包重复

POST / HTTP/1.1
Content-Type: application/json
Accept: application/json
Accept-Encoding: gzip, deflate
Content-Length: 737
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

"operationName":"IntrospectionQuery","variables":,"query":"query IntrospectionQuery  __schema  queryType  name  mutationType  name  types  ...FullType    fragment FullType on __Type  kind name description fields(includeDeprecated: false)  name description args  ...InputValue  type  ...TypeRef   inputFields  ...InputValue  interfaces  ...TypeRef  enumValues(includeDeprecated: false)  name description  possibleTypes  ...TypeRef  fragment InputValue on __InputValue  name description type  ...TypeRef  defaultValue fragment TypeRef on __Type  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name ofType  kind name       "

第35个：与第34个相似，POST /graphql

第36个：GET /
第37个：GET /bal
第38-42个：伪造Referer头

GET /ad.php
GET /Adminer.php
GET /ad.php
GET /_adminer.php
GET /adminer.php

第43-44个：

GET /vYyxCPJNGO.jsp
GET /7DB6s5TmTI.php

第45个：

GET / HTTP/1.1
Max-Forwards: 0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

第46-54个：伪造Referer头

GET /adminer-4.3.1-mysql.php
GET /adminer-4.3.0-mysql-en.php
GET /adminer-4.3.1-mysql-en.php
GET /adminer-4.3.0-en.php
GET /adminer-4.3.1-en.php
GET /adminer-4.3.1.php
GET /adminer-4.3.0-mysql.php
GET /adminer-4.3.0.php
GET /adminer-4.3.1.php

第55个

GET / HTTP/1.1
Max-Forwards: 0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

第56-60个：伪造Referer头

GET /adminer-4.3.1-mysql.php
GET /adminer-4.3.0-mysql-en.php
GET /adminer-4.3.1-mysql-en.php
GET /adminer-4.3.0-mysql.php
GET /adminer-4.3.1-en.php

第61个：

GET /7DB6s5TmTI.php HTTP/1.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

第62-63个：伪造Referer头

GET /adminer-4.3.0.php
GET /adminer-4.3.0-en.php

第64个：

GET / HTTP/1.1
Max-Forwards: 0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36
Host: 127.0.0.1
Connection: close

第65-72个：伪造Referer头

GET /adminer-4.3.0-en.php
GET /adminer-4.3.1-mysql-en.php
GET /adminer-4.3.1-mysql.php
GET /adminer-4.3.1.php
GET /adminer-4.3.1-en.php
GET /adminer-4.3.0-mysql.php
GET /adminer-4.3.0.php
GET /adminer-4.3.0-mysql-en.php

第73个：GET /7DB6s5TmTI.php。

此时AWVS显示页面

暂停扫描任务，下班。

通过发包历史查看请求

参考文章：【技术分享】对AWVS的一次简单分析-2017

Burpsuite支持查看 HTTP history，故无需手动抓包重放，查看历史就能看到扫描器的每个请求。

请求数量：截至到暂停扫描任务，一共发送了17000+个请求。

从请求的URL来看，也是目录枚举爬取+Fuzz扫描的方式。目前看，大多数Web扫描器都是基于这样的一种模式。

0x03 小结

参考文章：【技术分享】对AWVS的一次简单分析-2017

AWVS 可借鉴的内容，参考文章中提到一些。

总体对个人的启发如下，当下可以考虑先编写Golang实现的目录枚举和页面链接提取两个工作，然后考虑对枚举和提取的URL进行mark分类。

  • 不可或缺的目录枚举工作
  • URL的分类和专门扫描工作

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