Tổng hợp bài tập về các lệnh liên quan đến Network Recon - Webservers - Mạng máy tính - Học Viện Kỹ Thuật Mật Mã

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Chia sẻ Báo cáo tài liệu

Môn: Mạng máy tính (Computer network)

Trường: Học viện kỹ thuật mật mã

Thông tin:

10 trang 3 tuần trước

Tác giả:

Profile Mai Hương
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Downloaded by h??ng lê (maihuongbk2010@gmail.com)
Name
Nginx Recon: Basics
URL
https://www.attackdefense.com/challengedetails?cid=537
Type
Network Recon : Webservers
Important Note: This document illustrates all the important steps required to complete this lab.
This is by no means a comprehensive step-by-step solution for this exercise. This is only
provided as a reference to various commands needed to complete this exercise and for your
further research on this topic. Also, note that the IP addresses and domain names might be
different in your lab.
Q1. What is the version of Nginx server?Answer:
1.14.2
Command: nmap -sV 192.152.43.3
Q2. How many directory can you find in root folder of web server using brute_dirs
metasploit module (with default dictionary)?
Answer: 3
lOMoARcPSD|1 6072870
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Commands:
msfconsole
use auxiliary/scanner/http/brute_dirs
set RHOSTS 192.152.43.3
exploit
Q3. How many of the directories from list
/usr/share/metasploit-framework/data/wordlists/directory.txt are present in the root folder
of a web server? List the names.
Answer: 8
Command: dirb http://192.152.43.3 /usr/share/metasploit-framework/data/wordlists/directory.txt
lOMoARcPSD|1 6072870
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Q4. Which directories are allowed & disallowed for the web crawlers?
Answer:
Allowed: /Benefits, /Invitation
Disallowed: /Admin, /Office
Commands:
use auxiliary/scanner/http/robots_txt
set RHOSTS 192.152.43.3
exploit
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Q5. Which folder is protected with HTTP basic authentication?Answer:
Admin
Solution:
Send HTTP GET request to each discovered directory and check the request headers
Command: curl -I http://192.152.43.3/Admin
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Q6. Which directory present in root directory of web server is writable? Use http_put
metasploit module with default dictionary.
Answer: Data
Solution:
Scanning each discovered directory with nikto.
Command: nikto -h http://192.152.43.3/Data
Verifying by using the metasploit module to put file on the web server.
Commands:
msfconsole
use auxiliary/scanner/http/http_put
set RHOSTS 192.152.43.3
set PATH /Data
exploit
lOMoARcPSD|1 6072870
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Deleting uploaded file
Commands:
set ACTION DELETE
exploit
Q7. Which directory present in root directory of web server, allows directory/file listing?
Answer: Office
Solution:
Send HTTP GET request to each discovered directory and checking for 200 OK status
Command: curl -I -L 192.152.43.3/Office
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Q8. We have hidden a flag on the server. It is hidden in the response headers of a
particular directory. Retrieve the flag.
Answer: 9CDFB439C7876E703E307864C9167A15
Commands:
use auxiliary/scanner/http/http_header
set RHOSTS 192.152.43.3
set TARGETURI /Admin/
set HTTP_METHOD GET
exploit
lOMoARcPSD|1 6072870
Downloaded by h??ng lê (maihuongbk2010@gmail.com)
References
1. Nginx (https://www.nginx.com/)
2. Dirb (https://tools.kali.org/web-applications/dirb)
3. Metasploit Module: HTTP Directory Brute Force Scanner
(https://www.rapid7.com/db/modules/auxiliary/scanner//http/brute_dirs)
4. Metasploit Module: HTTP Header Detection
(https://www.rapid7.com/db/modules/auxiliary/scanner/http/http_header)
5. Metasploit Module: HTTP Writable Path PUT/DELETE File Access
(https://www.rapid7.com/db/modules/auxiliary/scanner/http/http_put)
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lOMoARcPSD|16072870 lOMoARcPSD|16072870 lOMoARcPSD|16072870 Name Nginx Recon: Basics URL
https://www.attackdefense.com/chal engedetails?cid=537 Type Network Recon : Webservers
Important Note: This document il ustrates al the important steps required to complete this lab.
This is by no means a comprehensive step-by-step solution for this exercise. This is only
provided as a reference to various commands needed to complete this exercise and for your
further research on this topic. Also, note that the IP addresses and domain names might be different in your lab.
Q1. What is the version of Nginx server?Answer: 1.14.2
Command: nmap -sV 192.152.43.3
Q2. How many directory can you find in root folder of web server using brute_dirs
metasploit module (with default dictionary)? Answer: 3
Downloaded by h??ng lê (maihuongbk2010@gmail.com) lOMoARcPSD|16072870 Commands: msfconsole
use auxiliary/scanner/ht p/brute_dirs set RHOSTS 192.152.43.3 exploit
Q3. How many of the directories from list
/usr/share/metasploit-framework/data/wordlists/directory.txt are present in the root folder
of a web server? List the names. Answer: 8
Command: dirb ht p:/ 192.152.43.3 /usr/share/metasploit-framework/data/wordlists/directory.txt
Downloaded by h??ng lê (maihuongbk2010@gmail.com) lOMoARcPSD|16072870
Q4. Which directories are al owed & disal owed for the web crawlers? Answer:
Al owed: /Benefits, /Invitation Disal owed: /Admin, /Office Commands:
use auxiliary/scanner/ht p/robots_txt set RHOSTS 192.152.43.3 exploit
Downloaded by h??ng lê (maihuongbk2010@gmail.com) lOMoARcPSD|16072870
Q5. Which folder is protected with HTTP basic authentication?Answer: Admin Solution:
Send HTTP GET request to each discovered directory and check the request headers
Command: curl -I http:/ 192.152.43.3/Admin
Downloaded by h??ng lê (maihuongbk2010@gmail.com) lOMoARcPSD|16072870
Q6. Which directory present in root directory of web server is writable? Use http_put
metasploit module with default dictionary. Answer: Data Solution:
Scanning each discovered directory with nikto.
Command: nikto -h http:/ 192.152.43.3/Data
Verifying by using the metasploit module to put file on the web server. Commands: msfconsole
use auxiliary/scanner/ht p/ht p_put set RHOSTS 192.152.43.3 set PATH /Data exploit
Downloaded by h??ng lê (maihuongbk2010@gmail.com) lOMoARcPSD|16072870 Deleting uploaded file Commands: set ACTION DELETE exploit
Q7. Which directory present in root directory of web server, al ows directory/file listing? Answer: Office Solution:
Send HTTP GET request to each discovered directory and checking for 200 OK status
Command: curl -I -L 192.152.43.3/Office
Downloaded by h??ng lê (maihuongbk2010@gmail.com) lOMoARcPSD|16072870
Q8. We have hidden a flag on the server. It is hidden in the response headers of a
particular directory. Retrieve the flag.
Answer: 9CDFB439C7876E703E307864C9167A15 Commands:
use auxiliary/scanner/ht p/ht p_header set RHOSTS 192.152.43.3 set TARGETURI /Admin/ set HTTP_METHOD GET exploit
Downloaded by h??ng lê (maihuongbk2010@gmail.com) lOMoARcPSD|16072870 References
1. Nginx (https://www.nginx.com/)
2. Dirb (ht ps:/ tools.kali.org/web-applications/dirb)
3. Metasploit Module: HTTP Directory Brute Force Scanner
(ht ps:/ www.rapid7.com/db/modules/auxiliary/scanner/ ht p/brute_dirs)
4. Metasploit Module: HTTP Header Detection
(ht ps:/ www.rapid7.com/db/modules/auxiliary/scanner/ht p/http_header)
5. Metasploit Module: HTTP Writable Path PUT/DELETE File Access
(ht ps:/ www.rapid7.com/db/modules/auxiliary/scanner/ht p/http_put)
Downloaded by h??ng lê (maihuongbk2010@gmail.com)
Document Outline

  • Q1. What is the version of Nginx server? Answer: 1
  • Q2. How many directory can you find in root folder
  • Commands:
  • Q3. How many of the directories from list
  • Answer: 8
  • Q4. Which directories are allowed & disallowed for
  • Commands:
  • Q5. Which folder is protected with HTTP basic auth
  • Q6. Which directory present in root directory of w
  • Solution:
  • Commands:
  • Commands:
  • Q7. Which directory present in root directory of w
  • Q8. We have hidden a flag on the server. It is hid
  • Commands:
  • References