How to Hack: Google VRP Bug Bounty – From P4 to P3 Priority

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Aryan Rohit, an Indian security researcher, recently achieved a priority bump (P4 → P3) in Google’s Vulnerability Reward Program (VRP). The bug, spotted in just 10 minutes, highlights the importance of persistence and methodology in bug bounty hunting.

You Should Know:

1. Essential Bug Bounty Tools

To replicate such success, you need the right tools:
– Burp Suite (burpsuite) – For intercepting and manipulating HTTP requests.
– OWASP ZAP (owasp-zap) – An alternative to Burp for automated scanning.
– Nmap (nmap -sV <target>) – For network reconnaissance.
– Gobuster (gobuster dir -u <URL> -w <wordlist>) – For directory brute-forcing.

2. Google VRP Methodology

  • Recon Phase:
    subfinder -d google.com | httpx -silent | nuclei -t ~/nuclei-templates/ 
    
  • Testing for Common Bugs:
  • XSS: Inject `` in input fields.
  • IDOR: Manipulate user IDs in API requests (/api/user?id=123 → /api/user?id=124).
  • SSRF: Test with `http://169.254.169.254` (AWS metadata endpoint).

3. Practice Commands for Security Testing

  • Linux Command for Log Analysis:
    grep "error" /var/log/apache2/access.log | awk '{print $1}' | sort | uniq -c 
    
  • Windows Command for Network Checks:
    Test-NetConnection -ComputerName google.com -Port 443 
    

4. Automating Bug Hunting

Use Python to automate repetitive tasks:

import requests 
url = "https://google.com/api/v1/user?id=1" 
response = requests.get(url) 
if response.status_code == 200: 
print("Potential IDOR vulnerability!") 

What Undercode Say:

Bug bounty hunting requires persistence, the right tools, and a structured approach. Google’s VRP rewards critical vulnerabilities, so focus on:
– Reconnaissance (subdomains, endpoints).
– Automation (Nuclei, Burp macros).
– Manual Testing (logic flaws, business logic bugs).

Expected Output:

A well-documented bug report with:

1. Vulnerability Description (clear impact).

2. Steps to Reproduce (detailed PoC).

3. Suggested Fix (mitigation steps).

Prediction:

More researchers will leverage automation and AI-assisted tools (like ChatGPT for payload generation) to find bugs faster, increasing competition in bug bounty programs.

(No relevant URLs extracted from the original post.)

References:

Reported By: Aryan Rohit – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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