Summary
Member-only story Every bug bounty hunter has curl installed. Few use it to its full potential. While Burp Suite and custom scripts get the limelight, curl remains the quiet workhorse — scriptable, lightweight, and available on every target’s infrastructure you’ll ever test. This article goes beyond -X POST -d “data” . We’ll cover real-world workflows: fuzzing, bypassing WAFs, pipeline automation, and creative exploitation techniques that save you time and find bugs others miss. curl : From Recon to Exploitation1. The Recon Foundation Before you fire off exploits, you need surface area. curl shines here because it’s stateless — perfect for shell loops and parallelization. Subdomain Discovery via Certificate Transparency curl -s “https://crt.sh/?q=%25.target.com&output=json” | jq -r ’.[].name_value’ | sort -u This queries crt.sh’s JSON endpoint for all certificates issued to *.target.com . Combine with jq for clean output — no rate limiting, no API key. Header Fingerprinting curl -sI https://www.target.com | grep -i -E “server|x-powered-by|x-frame-options|content-security-policy|set-cookie”