Trianing
1. Cryptography
- picoCTF: Beginner-friendly platform with cryptography challenges ranging from basic encoding to complex RSA.
- CyberChef: A Swiss Army knife of cryptographic utilities and encoders for various encoding and decoding tasks
- CryptoPals: A series of cryptographic challenges that gradually increase in difficulty, perfect for mastering cryptographic concepts.
2. Forensics
- Cyber Skyline: Offers CTF-style forensic challenges for examining digital evidence, file recovery, and metadata analysis.
- Flare-On: A challenge specifically focused on malware forensics and reverse engineering.
- TryHackMe: Has beginner and intermediate forensics modules, including memory and file analysis.
3. Binary Exploitation
picoCTF: Features many binary exploitation challenges suitable for beginners and intermediate learners.
Exploit Education: A platform dedicated to teaching binary exploitation techniques, including stack overflows and shellcode creation.
Microcorruption: An embedded device security CTF that teaches hardware binary exploitation.
4. Web Exploitation
OverTheWire: Great for beginners learning about web security fundamentals and common exploits like SQLi, XSS, and CSRF.
Hack The Box: Advanced challenges that simulate real-world web vulnerabilities in safe environments.
TryHackMe: Web exploitation paths cover topics like SQL injection, broken authentication, and other common web vulnerabilities.
5. Networking / Traffic Analysis
picoCTF: Offers network traffic analysis challenges for identifying malicious packets and traffic anomalies.
Wireshark Labs: A YouTube resource which has tons of tutorials on using WireShark
TryHackMe Networking Labs: Practical labs focused on TCP/IP, packet analysis, and network troubleshooting.
7. Steganography
picoCTF: Features steganography puzzles that involve extracting hidden messages from media files.
TryHackMe: Offers steganography exercises that teach users to uncover hidden messages.
*Some sites appear in multiple categories, indicating that they offer resources across various topics.