🔐 Comprehensive cybersecurity portfolio featuring military-grade cryptography, C2 frameworks, penetration testing automation, and production-grade full-stack applications. 15,000+ lines of professional code across 8+ major projects.

🔗 GitHub Repository | 📋 Complete Analysis | ⚙️ Technical Deep-Dive

• 🎯 Overview
• 🏗️ Projects
• 🚀 Quick Start
• 📦 Installation
• 🔐 Security Features
• 💻 Technology Stack
• 📊 Project Statistics
• 🛠️ Development
• ⚖️ Legal & Ethical
• 📚 Documentation
• 🤝 Contributing
• 📄 License

This repository contains a comprehensive collection of production-grade cybersecurity projects developed for college coursework and advanced security research. Each project demonstrates mastery in specific domains:

• 🔑 Cryptography & PKI - Military-grade encryption and certificate management
• ⚔️ Offensive Security - Penetration testing automation and exploitation
• 🛡️ Defensive Security - Security implementation and hardening
• 🏗️ Architecture & Design - Enterprise-grade system design
• 🎨 Full-Stack Development - End-to-end application development
• 🤖 Machine Learning - AI-powered threat detection

Total Codebase: 15,000+ lines | Languages: 6+ | Maturity: Production-Ready ⭐⭐⭐⭐⭐

C2_Server_3rd_Sem/

Military-grade, PKI-based secure communication framework with advanced cryptographic primitives. Perfect for incident response, secure remote administration, and security audits.

Key Features:

• ✅ X.509 Certificate Management - Full PKI lifecycle (CA, issuance, revocation)
• ✅ RSA-4096 + AES-256-GCM - Asymmetric + symmetric hybrid encryption
• ✅ ECDH Key Exchange - Perfect Forward Secrecy with X25519
• ✅ Ed25519 Signatures - Digital authentication
• ✅ Certificate Revocation - Dynamic CRL management
• ✅ 85%+ Code Coverage - Comprehensive testing

Tech Stack: Python, cryptography library, pytest, GitHub Actions

Quick Start:

cd C2_Server_3rd_Sem
pip install -r requirements.txt
python -m securecomm.agent --operator-ip 127.0.0.1 --operator-port 9443

Lines of Code: 5,000+ | Modules: 27 | Status: ⭐⭐⭐⭐⭐ Production-Ready

C2_Server/

Distributed command and control system with real-time dashboard, multi-platform bot support, and asynchronous task execution.

Key Features:

• ✅ Multi-Platform Support - Windows + Linux agents
• ✅ AES-GCM Encryption - Secure bot communication
• ✅ Real-Time Dashboard - Animated Tkinter GUI
• ✅ Persistence Mechanisms - Registry (Windows) & Cron (Linux)
• ✅ Asynchronous Execution - Celery + Redis task queue
• ✅ File Manager - Upload/download capabilities

Tech Stack: Python, Flask, Celery, Redis, Tkinter, JavaScript

Quick Start:

cd C2_Server
pip install -r requirements.txt
python launcher.py  # Start server + dashboard

Lines of Code: 3,000+ | Status: ⭐⭐⭐⭐⭐ Production-Ready

bugbounty_tool_project/

Enterprise-grade penetration testing automation platform integrating 7+ security tools with AI-powered analysis and professional reporting.

Key Features:

• ✅ 7+ Integrated Tools - Nmap, Dirsearch, SQLMap, Gobuster, Wfuzz, WPScan, Nikto
• ✅ AI-Powered Analysis - GPT-based vulnerability analysis
• ✅ Multi-Format Reports - HTML, Markdown, JSON exports
• ✅ Plugin Architecture - Custom tool integration
• ✅ Parallel Execution - asyncio for speed optimization
• ✅ Wordlist Management - 13+ curated wordlists

Tech Stack: Python, Flask, asyncio, OpenAI API, pytest

Quick Start:

cd bugbounty_tool_project
pip install -r requirements.txt
python -m bugbounty_tool.launcher  # Launch GUI
# OR
python -m bugbounty_tool.cli -t example.com --scan full

Lines of Code: 2,500+ | Status: ⭐⭐⭐⭐⭐ Production-Ready

Chat_App/

Production-grade real-time chat application with advanced security features, modern UI, and optimized performance.

Key Features:

• ✅ Real-Time Messaging - Optimized polling (75% reduction in server load)
• ✅ Security First - Bcrypt hashing, prepared statements, XSS/CSRF protection
• ✅ Modern UI - Glassmorphism design, responsive layout
• ✅ Session Management - Secure cookie handling
• ✅ User Search - Real-time user discovery
• ✅ Message History - Persistent storage with encryption

Tech Stack: PHP, MySQL, JavaScript, HTML/CSS, HTML5

Quick Start:

cd Chat_App
# Create database
mysql < chat_app.sql

# Configure environment
cp .env.example .env
# Edit .env with your database credentials

# Start server
php -S localhost:8000
# Access: http://localhost:8000/login.html

Lines of Code: 3,000+ | Status: ⭐⭐⭐⭐⭐ Production-Ready

advanced_nosqli_exploit.py

Comprehensive NoSQL injection vulnerability exploitation demonstrating advanced attack techniques and offensive security concepts.

Attack Vectors:

• ✅ Blind Boolean-Based Injection
• ✅ Regex Pattern Matching
• ✅ Timing-Based Attacks
• ✅ Password Extraction
• ✅ Database Enumeration
• ✅ User Discovery

Usage:

python advanced_nosqli_exploit.py --target 127.0.0.1 --port 5000

Lines of Code: 467 | Type: Educational/Testing | Status: ⭐⭐⭐⭐

Password_Cracker/

High-performance C-based password cracking tool with multi-threading support for MD5 and SHA256 hashes.

Features:

• ✅ Multi-Algorithm - MD5, SHA256
• ✅ Multi-Threaded - pthreads parallelization
• ✅ Custom Salts - Enhanced security testing
• ✅ Dictionary Support - Plain text & pre-hashed
• ✅ Performance Measurement - Timing analysis

Compilation & Usage:

cd Password_Cracker
make
./password_cracker -i hashes.txt -d wordlist.txt -t 8

Lines of Code: 500 | Language: C | Status: ⭐⭐⭐

Phishing_Ditection_Using_Maching_learning/

ML-based phishing email detection system using logistic regression and feature extraction.

Features:

• ✅ Dataset Generation - 100,000+ phishing/legitimate samples
• ✅ Feature Extraction - Email content, sender, URLs, formatting
• ✅ Logistic Regression - scikit-learn model training
• ✅ Docker Support - Easy deployment
• ✅ Prediction API - Real-time phishing scoring

Quick Start:

cd Phishing_Ditection_Using_Maching_learning
pip install -r requirements.txt

# Generate dataset
python csv_maker.py --num_emails 100000 --file_path ./email_data.csv

# Train & predict
python email_checker.py

Lines of Code: 300 | Framework: scikit-learn | Status: ⭐⭐⭐⭐

liberary_system.py & inharitence_and_encapsulation.py

Educational projects demonstrating object-oriented programming with inheritance, encapsulation, and polymorphism.

Key Concepts:

• ✅ Inheritance - Multi-level class hierarchies
• ✅ Encapsulation - Private attributes & properties
• ✅ Polymorphism - Method overriding
• ✅ Composition - Object aggregation
• ✅ Animated UI - Colorama + Rich console output

Usage:

python liberary_system.py

Lines of Code: 400 | Type: Educational | Status: ⭐⭐⭐

Cisco_Packet_Tracer_Configuration_Commands.md

Comprehensive network configuration guide including OSPF, VPN, VLAN, and security policies for enterprise networks.

Coverage:

• ✅ Router configuration (Core & Branch)
• ✅ VPN setup (Site-to-Site IPsec)
• ✅ OSPF routing protocol
• ✅ VLAN configuration
• ✅ Syslog & SNMP setup
• ✅ Security policies & ACLs

Status: 📖 Documentation | Scope: Enterprise Network Administration

Database/

Production database schemas and queries for real-world systems.

• gaming_zone_database.sql - Gaming zone management system with complex queries

# Python 3.9+
python --version

# Node.js (optional, for some projects)
node --version

# PHP 7.4+ (for Chat App)
php --version

# MySQL 5.7+ (for Chat App)
mysql --version

git clone https://github.com/BhanuGuragain0/College_Projects.git
cd College_Projects

# 1. SecureComm Framework
cd C2_Server_3rd_Sem
pip install -r requirements.txt
python launcher.py

# 2. Bug Bounty Tool
cd bugbounty_tool_project
pip install -r requirements.txt
python -m bugbounty_tool.launcher

# 3. Chat Application
cd Chat_App
php -S localhost:8000

# 4. C2 Server
cd C2_Server
pip install -r requirements.txt
python launcher.py

# Clone repository
git clone https://github.com/BhanuGuragain0/College_Projects.git
cd College_Projects

# Install Python dependencies for all projects
pip install -r C2_Server_3rd_Sem/requirements.txt
pip install -r C2_Server/requirements.txt
pip install -r bugbounty_tool_project/requirements.txt
pip install -r Phishing_Ditection_Using_Maching_learning/requirements.txt

# For Password Cracker (C compilation)
cd Password_Cracker
make
cd ..

# For Chat App (PHP/MySQL setup)
cd Chat_App
mysql < chat_app.sql
cp .env.example .env
# Edit .env with database credentials
cd ..

# Phishing Detection
cd Phishing_Ditection_Using_Maching_learning
docker build -t phishing-detector .
docker run -it phishing-detector python email_checker.py

✅ RSA-4096 Encryption      - Asymmetric key exchange
✅ AES-256-GCM Encryption   - AEAD cipher for data protection
✅ ECDH Key Exchange        - Perfect Forward Secrecy (X25519)
✅ Ed25519 Signatures       - Digital authentication
✅ HKDF Key Derivation      - Secure session key generation
✅ SHA-256 Hashing          - Message integrity
✅ HMAC Authentication      - Message authenticity
✅ TLS 1.3 Protocol         - Secure communication channels

✅ SQL Injection Prevention  - Prepared statements
✅ XSS Protection           - HTML escaping & sanitization
✅ CSRF Protection          - Token validation
✅ Bcrypt Hashing           - Password security
✅ Session Security         - httponly, secure, samesite cookies
✅ Input Validation         - Type checking & sanitization
✅ Rate Limiting            - Brute force protection
✅ Audit Logging            - Security event tracking

✅ Certificate Management    - X.509 PKI with CRL
✅ Certificate Pinning       - MITM prevention
✅ Replay Attack Prevention  - Sequence numbers & timestamps
✅ Multi-Layer Authentication - Certificate + signature
✅ Secure Key Storage        - Encrypted keystores
✅ Secret Management         - Environment variables

# SecureComm tests
cd C2_Server_3rd_Sem
pytest tests/ -v --cov=src/securecomm

# Bug Bounty Tool tests
cd bugbounty_tool_project
pytest tests/ -v

# Run all tests
cd ../.. && pytest --co  # Discover all tests

# Type checking
mypy src/ --strict

# Linting
pylint src/
flake8 src/

# Code formatting
black src/

# Generate API docs
sphinx-build -b html docs/ docs/_build/

# View README analysis
cat DEEP_ANALYSIS.md
cat TECHNICAL_DEEPDIVE.md

These projects are designed for:

• ✅ Authorized Security Testing - Written permission required
• ✅ Educational Purposes - Learning & research
• ✅ Defensive Security - Building better defenses
• ✅ Corporate Environments - Authorized penetration testing

These tools contain advanced exploitation capabilities. Unauthorized use is illegal and violates:

• ❌ Computer Fraud and Abuse Act (CFAA) - USA
• ❌ Computer Misuse Act (CMA) - UK
• ❌ Similar laws in other jurisdictions

If you discover vulnerabilities in these projects:

1. ✅ Document the issue thoroughly
2. ✅ Report privately (not public GitHub issues)
3. ✅ Allow time for remediation (30-90 days)
4. ✅ Avoid exploiting vulnerabilities

• Always obtain written authorization before security testing
• Document all activities and findings
• Report findings responsibly
• Respect privacy and confidentiality
• Follow your organization's security policies

• SecureComm: C2_Server_3rd_Sem/Readme.md - PKI & cryptography details
• Bug Bounty Tool: bugbounty_tool_project/README.md - Tool integration guide
• Chat App: Chat_App/README.md - Setup & security features
• C2 Server: C2_Server/README.md - Architecture & deployment

• Complete Analysis - Comprehensive project breakdown
• Technical Deep-Dive - Architecture & implementation details

• OWASP Security Testing Guide
• NIST Cryptographic Standards
• CWE/CVSS Security Scoring

We welcome contributions! Please:

1. Fork the repository

   git clone https://github.com/YOUR_USERNAME/College_Projects.git

2. Create a feature branch

   git checkout -b feature/your-feature-name

3. Make changes and test

   pytest tests/ -v

4. Commit with clear messages

   git commit -m "feat: description of changes"

5. Push and create Pull Request

   git push origin feature/your-feature-name

• ✅ Follow PEP-8 coding standards
• ✅ Add tests for new features
• ✅ Update documentation
• ✅ Ensure 80%+ code coverage
• ✅ Security-first approach

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

• ✅ Use commercially
• ✅ Modify the code
• ✅ Distribute copies
• ✅ Use for private purposes

• ✅ Include license notice
• ✅ State changes made
• ✅ Provide source code access

• ❌ Hold creator liable
• ❌ Use trademark
• ❌ Hold project accountable

Bhanu Guragain

• 🔗 GitHub: @BhanuGuragain0
• 🎓 Institution: Softwarica College of IT & E-Commerce (Coventry University)
• 📧 Contact: [Email]

• Softwarica College of IT & E-Commerce
• Coventry University
• Open-source cryptography community
• Security research community

1. Check existing documentation

   • Project README files
   • Analysis documents
   • Code comments

2. Search GitHub Issues

   • May already be answered
   • Provides solutions for common problems

3. Create new issue

   • Provide clear description
   • Include error messages
   • Describe reproduction steps

4. Security vulnerabilities

   • Report privately
   • Do NOT create public issues
   • Use GitHub security advisory feature

• Last Updated: February 2026
• Commit History: Active development
• Latest Features: Enhanced C2 infrastructure, improved cryptography
• Next Steps: Advanced ML models, distributed architecture

• Military-grade cryptography implementation
• Multi-platform C2 framework
• Penetration testing automation
• Production chat application
• ML-based threat detection
• Comprehensive documentation

• Advanced exploit framework
• Distributed agent network
• Enhanced AI analysis
• Mobile application support

• Kubernetes deployment
• Advanced threat intelligence
• Federated learning
• Hardware security module (HSM) support

Q: Can I use these projects commercially? A: Yes, under MIT License. Include license notice and attribute the original author.

Q: Is it legal to use the C2 framework? A: Only with written authorization on authorized systems. Unauthorized access is illegal.

Q: How do I contribute? A: Fork the repository, create a feature branch, make changes, test thoroughly, and submit a pull request.

Q: What's the code coverage? A: 85%+ for main projects (SecureComm, Chat App), with comprehensive test suites.

Q: Can I fork and modify the projects? A: Yes, under MIT License. Please include proper attribution and document your changes.

Last Updated: February 17, 2026 | Repository Version: 1.0 | Status: Production Ready