CTF 101

🔐 1. Cryptography

• Basic ciphers (Caesar, Vigenère, XOR)
• Base64, hex, binary, ROT13 encoding
• Frequency analysis
• Tools: CyberChef, dCode

🌐 2. Web Exploitation

• Understanding HTTP requests/responses
• Simple SQL injection (SQLi)
• Cross-site scripting (XSS)
• Command injection and LFI
• Tools: Burp Suite, browser dev tools

🧱 3. Reverse Engineering

• Analyze simple binary files (ELF, PE)
• Understand control flow
• Use tools like Ghidra or GDB (for advanced beginners)

💻 4. Binary Exploitation

• Buffer overflows (intro level)
• Stack inspection
• Shellcode basics

🕵️ 5. OSINT (Open Source Intelligence)

• Social media sleuthing
• Metadata analysis (EXIF, PDF, DOC)
• Whois, DNS tools

📁 6. Forensics

• File recovery, hex editors, memory dumps
• Analyzing images, network packets
• Tools: Wireshark, binwalk, steghide

🧩 7. Misc / General Skills

• Scripting (Python, Bash)
• Regex
• Basic Linux commands and terminal use
• Steganography (hidden messages in images/audio)