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If the server pauses for 5 seconds, you have a blind SQLi. Stop. Report it as blind inference. You will get paid.

A good report can increase your payout by 50%. Triage teams are busy; make their job easy.

Enhance Burp with community plugins like Param Miner (to find hidden parameters) and Autorize (to test for authorization flaws). 2. Advanced Reconnaissance: Finding Hidden Attack Surfaces

Clear and impactful (e.g., "Account Takeover via Password Reset Logic Flaw"). Severity: Be honest; don't over-inflate. Description: What is the bug? bug bounty tutorial exclusive

Wayback Machine and other web archives often contain forgotten debug endpoints, old API routes, and JavaScript files that reveal sensitive information. Experienced hunters routinely find six‑figure bounties this way.

Modifying live HTTP/S requests, fuzzing, and web application analysis. Vulnerability Scanner

Look for UUIDs. While they seem unguessable, they are often leaked in other API responses or public profiles. Parameter Pollution If the server pauses for 5 seconds, you have a blind SQLi

Use ffuf to find hidden files and directories ( .env , .git , backup.zip , config.php ) that developers forgot to remove. ffuf -w /path/to/wordlist.txt -u https://example.com Use code with caution. 3. Top Tools of the Trade (Beyond Burp Suite)

# echo_scanner.py (excerpt) # Rule #7: The Cache Poisoning Paradox # If a staging subdomain (e.g., staging-nexus[.]com) uses the same CDN as the production domain, # but has caching rules that are 6 months older, you can inject headers that production sanitizes.

Use public archives, search engine dorks, and Certificate Transparency (CT) logs to find subdomains. subfinder -d target.com -o subdomains.txt Use code with caution. You will get paid

API endpoints are often hidden from public documentation. Use:

: Immunefi is the leader for smart contract and DeFi vulnerabilities, with bounties reaching seven figures .

def test_cache_paradox(target_prod, target_staging): # Step A: Find a dynamic endpoint on staging that mirrors prod. # Step B: Send a malformed 'X-Forwarded-Host' header to staging. # Step C: Watch the CDN cache the poisoned response for prod. # Exclusive insight: Look for 'Age: 0' vs 'Age: >0' mismatches.