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In web penetration testing, one common technique involves manipulating HTTP headers to exploit vulnerabilities. A practical example is modifying the `Origin` header from `target.com` to `attacker.com` to test for potential security flaws. This technique is often used in bug bounty programs to identify vulnerabilities that could allow unauthorized access or data manipulation.
You Should Know:
1. Modifying Headers with cURL:
curl -H "Origin: attacker.com" https://target.com/reset-password
This command sends a request to the target website with a modified `Origin` header.
2. Using Burp Suite for Header Manipulation:
- Intercept the request using Burp Suite.
- Modify the `Origin` header to
attacker.com. - Forward the request and observe the server’s response.
3. Automating Header Manipulation with Python:
import requests
headers = {
'Origin': 'attacker.com',
'Content-Type': 'application/json'
}
response = requests.post('https://target.com/reset-password', headers=headers)
print(response.text)
This script automates the process of sending a request with a modified `Origin` header.
4. Testing for CORS Misconfigurations:
- Use the following command to test for Cross-Origin Resource Sharing (CORS) misconfigurations:
curl -H "Origin: attacker.com" -I https://target.com/reset-password
Check the response headers for `Access-Control-Allow-Origin` to see if the server allows requests from
attacker.com.
5. Exploiting Password Reset Functionality:
- If the website requires a birthday and country to reset the password, try manipulating these parameters:
curl -X POST -d "birthday=1990-01-01&country=US" https://target.com/reset-password
This command attempts to reset the password using manipulated data.
What Undercode Say:
Header manipulation is a powerful technique in web penetration testing, especially in bug bounty programs. By understanding how to modify headers and automate these processes, you can identify and exploit vulnerabilities more effectively. Always ensure you have permission before testing on live systems, and use these techniques responsibly.
Related Commands:
- Linux Command to Monitor Network Traffic:
tcpdump -i eth0 -n -s 0 -w output.pcap
This command captures network traffic on the `eth0` interface and saves it to a file for later analysis.
-
Windows Command to Check Network Connections:
netstat -an
This command displays all active network connections and listening ports on a Windows system.
-
Linux Command to Test Port Connectivity:
nc -zv target.com 80
This command checks if port 80 on `target.com` is open and accepting connections.
Conclusion:
Header manipulation is a critical skill in web penetration testing. By mastering these techniques and using the provided commands, you can enhance your ability to identify and exploit vulnerabilities in web applications. Always remember to follow ethical guidelines and obtain proper authorization before conducting any penetration testing activities.
URLs:
References:
Reported By: Muhammad Mostafa – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
