From Zero to Hero: How I Landed My First Bug Bounty in Just 2 Months

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Introduction:

The journey into web application penetration testing can seem daunting, but with focused learning, practical application, and persistence, success is achievable in a remarkably short time frame. This article deconstructs the technical roadmap from novice to effective bug hunter, providing the essential commands and methodologies that enable you to scan real targets and submit valid vulnerability reports.

Learning Objectives:

  • Understand the core toolkit and reconnaissance commands used by beginner bug bounty hunters.
  • Learn how to validate and manually test findings from automated scanners.
  • Master the art of crafting a compelling proof-of-concept and a professional bug bounty report.

You Should Know:

  1. The Art of Passive Reconnaissance with Subfinder and Amass
    Before you can test anything, you need to find targets. Passive reconnaissance gathers information without sending packets to the target’s servers, making it the ideal, non-intrusive first step.
subfinder -d target.com -o subdomains.txt
amass enum -passive -d target.com -o amass_subs.txt
cat subdomains.txt amass_subs.txt | sort -u > final_subs.txt

Step-by-step guide:

  1. Install Subfinder and Amass (go install -v github.com/projectdiscovery/subfinder/v2/cmd/subfinder@latest).

2. The `-d` flag specifies the target domain.

  1. The `-o` flag writes the output to a file.
  2. The `cat` command combines the files, and `sort -u` removes duplicates, creating a clean list of subdomains for further investigation.

  3. Probing for Live Hosts and HTTP Services with HTTPx
    A list of subdomains is useless without knowing which are active. HTTPx is a fast tool for probing live hosts and identifying running web services and technologies.

cat final_subs.txt | httpx -silent -tech-detect -title -status-code -o live_targets.txt

Step-by-step guide:

  1. Pipe (|) your list of subdomains from the previous step into HTTPx.
  2. Flags used: `-silent` for clean output, `-tech-detect` to identify technologies (e.g., WordPress, React, Nginx), `-title` to fetch page titles, `-status-code` to get HTTP status codes.
  3. The output file `live_targets.txt` now contains a curated list of active, interesting targets to scan.

3. Automated Vulnerability Scanning with Nuclei

Nuclei uses a vast community-powered database of templates to scan for thousands of known vulnerabilities, misconfigurations, and exposed information.

nuclei -l live_targets.txt -t ~/nuclei-templates/ -o nuclei_findings.txt

Step-by-step guide:

  1. The `-l` flag specifies a list of URLs to scan.
  2. The `-t` flag points to the directory of Nuclei templates (constantly updated via nuclei -update-templates).
  3. Nuclei will run all applicable tests and output the results to nuclei_findings.txt. This file is your primary source for potential vulnerability leads.

4. Manual Verification: Testing for SQL Injection

Automated tools generate hypotheses, not conclusions. Every finding must be manually verified. For a potential SQL injection, use SQLmap or craft manual payloads.

sqlmap -u "http://test.com/vuln.php?id=1" --batch --dbs
 Alternatively, test manually in Burp Suite by sending:
http://test.com/vuln.php?id=1' AND 1=1--
http://test.com/vuln.php?id=1' AND 1=2--

Step-by-step guide:

  1. Observe differences in HTTP responses between the `1=1` (true) and `1=2` (false) payloads. A difference in response length, content, or error messages indicates a potential SQLi flaw.
  2. SQLmap automates the exploitation and data exfiltration process. The `–batch` flag runs non-interactively, and `–dbs` attempts to enumerate available databases.
  3. Never run automated tools like SQLmap without explicit permission, as they can be intrusive.

5. Cross-Site Scripting (XSS) Payload Crafting and Testing

Like SQLi, XSS findings from Nuclei need confirmation. Test with basic payloads and observe if they execute.

 Test in a search field or URL parameter:
<script>alert('XSS')</script>
"><script>alert('XSS')</script>
javascript:alert('XSS')

Step-by-step guide:

  1. Identify a reflection point (e.g., a search query that echoes your input back to the page).

2. Submit a basic payload like ``.

  1. If an alert box doesn’t pop up, use Burp Suite’s Repeater tool to experiment with different encodings and payloads to bypass potential filters.

6. Critical Step: Crafting the Proof-of-Concept (PoC)

A valid bug report requires a clear, reproducible PoC. For an XSS, this is often a simple URL.

 A verified PoC URL for a reflected XSS might look like:
https://target.com/search?q=<svg+onload=alert(document.domain)>

Step-by-step guide:

  1. Create a minimal, working payload that demonstrates the impact.
  2. For stored XSS, provide screenshots of where the payload is stored and executed.
  3. The PoC must work in a default browser configuration to be accepted by most programs.

7. The Professional Report: Your Key to Approval

A poorly written report can get a valid bug rejected. Structure is key.

Report Template:

  • Brief vulnerability description (e.g., “Reflected XSS on target.com/search via `q` parameter”).
  • Summary: 1-2 sentence overview of the issue.
  • Steps to Reproduce: Numbered, detailed steps. (1. Navigate to URL: https://target.com/search?q=<PAYLOAD>…).
  • Proof-of-Concept: The working URL or screenshot.
  • Impact: Clear explanation of the risk (e.g., “Allows an attacker to execute JavaScript in the victim’s browser, potentially stealing cookies or redirecting the user.”).

What Undercode Say:

  • Tooling is a Force Multiplier, Not a Replacement: Success isn’t about running the most tools; it’s about deeply understanding the output of a core few and knowing how to manually verify their results. Automation finds the clues, but the human mind solves the case.
  • The Methodology is the Map: The precise sequence of reconnaissance -> enumeration -> automated scanning -> manual verification -> PoC development -> professional reporting is a replicable blueprint for success. Mastering this workflow is more important than knowing every single tool.

The analysis reveals that the barrier to entry in cybersecurity is not innate talent but access to a structured learning path and the discipline to follow it rigorously. This individual’s success was not accidental; it was the direct result of applying a systematic, tool-assisted methodology to a defined problem space (web apps). This approach democratizes security research, proving that focused, practical skill application can yield tangible results faster than traditional, theory-heavy education paths.

Prediction:

The accessibility of powerful, free security tools will continue to lower the barrier to entry for bug bounty hunting, flooding platforms with more hunters. This will force a evolution in bounty programs: automation will be used for triage of simple flaws, while premiums will skyrocket for complex, critical vulnerabilities that require deep system understanding, logical flaw exploitation, and chain attacks. The future elite hunter will be a specialist in niche domains (API security, cloud infrastructure, CI/CD pipelines) rather than a generalist.

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Reported By: Abdulrazaq O – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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