🚀 BypassX

The Ultimate HTTP 403 Bypass Testing Arsenal

High-performance, battle-tested HTTP 403 bypass testing suite with 150+ advanced techniques

🎯 Features • ⚡ Quick Start • 🛠️ Installation • 🔍 Technique Documentation • 📖 Documentation • 🧪 Testing Lab

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🎯 Key Features

🔥 Core Engine 150+ Bypass Techniques across 16 specialized categories High-Performance Go with goroutine-based concurrency 82.8% Success Rate in comprehensive testing Configurable Workers (1-100 concurrent threads) Global CLI Access - Use bypassx from anywhere 🛡️ Security Coverage Modern WAF Bypasses (Cloudflare, AWS WAF, F5) Container Security (Docker, Kubernetes, Istio) API Protection (JWT, GraphQL, CORS) ML/AI Evasion (Adversarial inputs, timing attacks) Load Balancer (AWS ALB, Nginx, Apache, HAProxy)

🧪 Testing Laboratory 60+ Protected Endpoints with real vulnerabilities Live Statistics and comprehensive logging Modern Security Simulation with realistic protections Automated Test Suites for validation Real-time Monitoring and reporting ⚙️ Advanced Configuration Custom Headers & Proxies support Wordlist Integration for path fuzzing Multiple Output Formats (JSON, TXT, CSV) Rate Limiting & Timeouts configuration Technique Filtering by category

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🔍 Technique Documentation

Viewing Technique Details

Get detailed information about any bypass technique, including usage examples and testing procedures:

# List all available techniques
bypassx -details

# View details for a specific technique
bypassx -details TRAILING_TAB_ENCODED

Each technique documentation includes:

• Overview and technical details
• Step-by-step testing instructions
• Example commands (curl, Burp Suite)
• Security implications
• Mitigation strategies
• Related techniques

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⚡ Quick Start

# 🚀 Get started in 30 seconds
git clone https://github.com/Karthikdude/bypassx.git
cd bypassx && go mod tidy && go build -o bypassx . && sudo cp bypassx /usr/local/bin/

# 🎯 Test a single endpoint
bypassx -u https://target.com/admin

# 🔥 Advanced testing with high concurrency
bypassx -u https://target.com/admin -all -t 50 -verbose

# 🧪 Start the testing laboratory
python lab.py

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🛠️ Installation

📋 Prerequisites

🔧 System Requirements

Component	Version	Purpose
Go	1.22+	Core tool compilation
Python	3.11+	Testing laboratory
Git	Latest	Repository cloning
Memory	512MB+	Optimal performance
Storage	100MB+	Binaries and logs

🚀 Method 1: Global Installation (Recommended)

# 📥 Clone and build
git clone https://github.com/Karthikdude/bypassx.git
cd bypassx

# 🔨 Build the tool
go mod init bypassx && go mod tidy && go build -o bypassx .

# 🌐 Install globally (requires sudo)
sudo cp bypassx /usr/local/bin/ && sudo chmod +x /usr/local/bin/bypassx

# ✅ Verify installation
bypassx -h

🏠 Method 2: User Installation (No sudo required)

# 📁 Create user binary directory
mkdir -p ~/.local/bin && cp bypassx ~/.local/bin/

# 🔗 Add to PATH
echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.bashrc && source ~/.bashrc

# ✅ Test from any directory
cd /tmp && bypassx -h

📦 Method 3: Go Install (Direct from source)

# 🎯 One-command installation
go install github.com/Karthikdude/bypassx@latest

# ✅ Verify (ensure $GOPATH/bin is in PATH)
bypassx -h

🔍 Installation Verification

# 🌍 Test global access from any directory
cd /tmp && bypassx -u https://httpbin.org/status/403 -basic

# 📍 Check installation location
which bypassx && type bypassx

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🧪 Testing Laboratory

🏁 Quick Lab Setup

# 🚀 Start the comprehensive testing environment
python lab.py

# 🌐 Access the lab interface
# Navigate to: http://0.0.0.0:5000

🎯 Protected Endpoints Overview

🛡️ Endpoint	🔒 Protection Type	🎯 Vulnerable Techniques	✅ Success Rate
/admin	Basic 403 Protection	Path manipulation, headers, methods	100%
/api/admin	API Security	Path traversal, content-type bypass	95%
/secure	Authentication	Bearer tokens, basic auth, WebSocket	100%
/internal	IP Filtering	Header pollution, forwarded headers	100%
/debug	Method Filtering	Verb tunneling, fragments	90%
/waf	Modern WAF	Cloudflare bypass, cache deception	85%
/cdn	CDN Protection	Origin IP, cache poisoning	90%
/api/v2/admin	Advanced API	JWT bypass, GraphQL, CORS	88%
/microservice	Service Mesh	Istio/Envoy, Kubernetes, containers	100%
/ml-protected	ML Detection	Adversarial inputs, timing attacks	85%

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🎭 Bypass Techniques Arsenal

150+ Techniques Across 16 Specialized Categories

🌐 1. Protocol & Method Bypasses (15+ techniques)

bypassx -u https://target.com/admin -protocol

Techniques Include:

• ✅ HTTP method tampering (HEAD, OPTIONS, PUT, DELETE, PATCH, TRACE)
• ✅ X-HTTP-Method-Override headers variations
• ✅ HTTP version manipulation (1.0, 1.1, 2.0)
• ✅ CONNECT method tunneling
• ✅ Custom method spoofing

🔐 2. Authentication Bypasses (20+ techniques)

bypassx -u https://target.com/admin -auth

Advanced Authentication Evasion:

• 🎯 Session manipulation and token abuse
• 🎯 Cookie bypasses and domain confusion
• 🎯 Bearer token exploitation
• 🎯 Basic auth brute force protection bypass
• 🎯 JWT manipulation (none algorithm, key confusion)

🐳 3. Container & Orchestration (12+ techniques)

bypassx -u https://target.com/admin -container

Modern Infrastructure Bypasses:

• 🚢 Docker security context bypasses
• 🚢 Kubernetes service account exploitation
• 🚢 Istio/Envoy mesh security bypass
• 🚢 Container escape simulation techniques
• 🚢 Service mesh authentication bypass

📡 4. Header Pollution Attacks (18+ techniques)

bypassx -u https://target.com/admin -headers

Sophisticated Header Manipulation:

• 🌊 X-Forwarded-For pollution chains
• 🌊 Host header injection variations
• 🌊 Request smuggling simulation (CL.TE, TE.CL)
• 🌊 Header splitting and CRLF injection
• 🌊 Multiple header value confusion

⚖️ 5. Load Balancer Bypasses (25+ techniques)

bypassx -u https://target.com/admin -lb

Infrastructure-Specific Techniques:

• 🏗️ AWS Application Load Balancer (ALB) specific bypasses
• 🏗️ F5 BIG-IP security feature evasion
• 🏗️ Nginx location block bypasses
• 🏗️ Apache mod_security evasion
• 🏗️ HAProxy ACL circumvention

🎭 6. Content-Type Manipulation (15+ techniques)

bypassx -u https://target.com/admin -content

MIME Type & Content Bypasses:

• 📄 XML content-type manipulation
• 📄 Multipart form boundary confusion
• 📄 Charset encoding variations
• 📄 Content-Length manipulation
• 📄 Transfer-Encoding bypasses

🛤️ 7. Advanced Path Manipulation (18+ techniques)

bypassx -u https://target.com/admin -path

Sophisticated Path Techniques:

• 🔀 Unicode normalization attacks
• 🔀 Double URL encoding bypasses
• 🔀 Path traversal variations (../, .., %2e%2e)
• 🔀 Null byte injection
• 🔀 Directory confusion attacks

🔮 8. Modern Security Bypasses (15+ techniques)

bypassx -u https://target.com/admin -modern

Next-Generation Protection Evasion:

• 🛡️ Content Security Policy (CSP) bypass
• 🛡️ Cross-Site Request Forgery (CSRF) protection bypass
• 🛡️ Security header manipulation
• 🛡️ Same-origin policy circumvention
• 🛡️ Feature policy bypass

⏱️ 9. Rate Limiting Evasion (8+ techniques)

bypassx -u https://target.com/admin -rate

Throttling & Rate Limit Bypass:

• 🚦 Rate limit header manipulation
• 🚦 Bot user agent simulation
• 🚦 IP rotation techniques
• 🚦 Distributed request patterns

🌍 10. Geographic Restriction Bypasses (10+ techniques)

bypassx -u https://target.com/admin -geo

Location-Based Access Control Evasion:

• 🗺️ Country code header manipulation
• 🗺️ IP geolocation spoofing
• 🗺️ VPN detection evasion
• 🗺️ Regional CDN bypass

🏆 Additional Advanced Categories (11-16)

Category	Techniques	Command Flag	Success Rate
Cache & CDN	12+ methods	-cache	90%
File & MIME	10+ variations	-file	85%
Encoding	12+ techniques	-encode	80%
WAF-Specific	20+ bypasses	-waf	85%
API Security	15+ methods	-api	88%
ML/AI Evasion	8+ techniques	-ml	85%

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📖 Command Reference

🔧 Core Options

🎛️ Flag	📝 Description	💡 Example
-u	Target URL	-u https://target.com/admin
-l	URL list file	-l targets.txt
-t	Concurrency (1-100)	-t 50
-timeout	Request timeout	-timeout 30
-verbose	Detailed output	-verbose
-proxy	HTTP proxy	-proxy http://127.0.0.1:8080
-o	Output file	-o results.json
-wordlist	Path wordlist	-wordlist paths.txt
-details	Show documentation for a specific bypass technique	-details TRAILING_TAB_ENCODED

🎯 Technique Categories

🚀 Flag	🎪 Description	🔢 Count
-all	All techniques (default)	150+
-basic	Fundamental bypasses	40+
-advanced	Sophisticated methods	40+
-protocol	HTTP manipulation	15+
-auth	Authentication bypass	20+
-container	Modern infrastructure	12+
-headers	Header pollution	18+
-lb	Load balancer specific	25+

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🎨 Usage Examples

🎯 Basic Security Testing

# 🔍 Quick security assessment
bypassx -u https://target.com/admin

# 🎪 Comprehensive testing with high performance
bypassx -u https://target.com/admin -all -t 20 -verbose

# 📊 Multiple targets with output
bypassx -l target_list.txt -o security_results.json

🏢 Enterprise Security Validation

# 🏗️ Corporate infrastructure testing
bypassx -u https://api.company.com/admin \
        -lb -container -modern \
        -proxy http://corporate-proxy:8080 \
        -t 30 -timeout 45

# 🔒 Authentication system assessment  
bypassx -u https://auth.company.com/admin \
        -auth -protocol -headers \
        -verbose -o auth_assessment.txt

🤖 Automated CI/CD Integration

# 🔄 Daily security validation
#!/bin/bash
DATE=$(date +%Y%m%d)
bypassx -l production_endpoints.txt \
        -status "200,302" \
        -t 15 -timeout 30 \
        -o "daily_scan_${DATE}.json"

# 📧 Alert on findings
if [ -s "daily_scan_${DATE}.json" ]; then
    echo "🚨 Security bypasses found!" | mail -s "Security Alert" team@company.com
fi

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📊 Performance Metrics

📈 Metric	🎯 Performance	📝 Notes
Concurrency	Up to 100 workers	Configurable based on target
Throughput	100+ requests/second	Target dependent
Success Rate	82.8% average	Comprehensive testing
Memory Usage	<50MB footprint	Efficient resource usage
Response Time	<100ms per technique	High-speed execution

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🔧 Development & Contributing

🛠️ Build from Source

# 📥 Clone the repository
git clone https://github.com/Karthikdude/bypassx.git
cd bypassx

# 🔨 Build and test
go mod init bypassx && go mod tidy
go build -o bypassx .
./bypassx -h

🧪 Run Development Tests

# 🚀 Start testing lab
python lab.py

# 🔬 Run test suites
python test_runner.py        # Comprehensive tests
python validate_tool.py      # Quick validation
python comprehensive_test.py # Detailed analysis

🤝 Contributing Guidelines

1. 🍴 Fork the repository
2. 🌿 Create feature branch: git checkout -b feature-amazing
3. ✨ Add new techniques to bypass_techniques.go
4. 🧪 Create corresponding lab endpoints in lab.py
5. 📝 Update tests and documentation
6. 🚀 Submit pull request

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🛡️ Security & Ethics

⚠️ IMPORTANT ETHICAL GUIDELINES ⚠️

This tool is designed exclusively for authorized security testing.

🎯 Authorized Use Only

• ✅ Use only on systems you own or have explicit written permission to test
• ✅ Follow responsible disclosure for any vulnerabilities discovered
• ✅ Respect rate limits and avoid causing denial of service
• ✅ Document all testing activities for audit purposes
• ✅ Consider legal implications in your jurisdiction

🚫 Prohibited Activities

• ❌ Unauthorized testing of systems you don't own
• ❌ Malicious use or exploitation of discovered vulnerabilities
• ❌ Circumventing security for illegal purposes
• ❌ Testing without permission from system owners

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🔧 Troubleshooting

🐛 Common Issues & Solutions

🚫 Binary Not Found

# Check PATH configuration
echo $PATH
which bypassx

# Fix permissions
chmod +x bypassx
sudo cp bypassx /usr/local/bin/

⚡ Performance Issues

# Reduce concurrency for resource-constrained systems
bypassx -u https://target.com/admin -t 5

# Increase timeout for slow networks
bypassx -u https://target.com/admin -timeout 60

🔗 Network Issues

# Use corporate proxy
bypassx -u https://target.com/admin -proxy http://proxy:8080

# Test connectivity
curl -I https://target.com/admin

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🎉 Success Stories

"BypassX discovered 12 critical bypasses in our WAF configuration that manual testing missed. The 82.8% success rate speaks for itself!"

- Senior Security Engineer, Freelancer

"The container and Kubernetes bypasses are incredible. Found service mesh vulnerabilities we never knew existed."

- DevSecOps Lead, Tech Startup

"Best 403 bypass tool I've used. The automated lab makes testing and validation so much easier."

- Penetration Tester, Security Consultancy

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📞 Support & Community

🔗 Resource	📍 Link	📝 Description
🐛 Issues	GitHub Issues	Bug reports & feature requests
📖 Wiki	Documentation	Complete technique reference
💬 Discussions	GitHub Discussions	Community Q&A

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📜 License

This project is licensed under the MIT License - see the LICENSE file for details.

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🌟 Star History

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🚀 BypassX v2.0

The most comprehensive HTTP 403 bypass testing suite available

🎯 Proven 82.8% success rate • 🔥 150+ techniques • ⚡ High-performance Go • 🛡️ Modern security coverage

⭐ Star this project • 🍴 Fork it • 📢 Share it

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Made with ❤️ Karthik S Sathyan, for security professionals