- English
- Spanish (Estudio espaรฑol. ยกMucho gusto!)
- Japanses (็งใฏๅๅผทใใพใใใฏใใใพใใฆใ)
- Korean (์ ๋ํ๊ตญ์ด๋ฅผ๊ณต๋ถํด์. ๋ง๋์๋ฐ๊ฐ์ต๋๋ค.)
- Web development
- C/C++/C#
- Windows API C++
- Kernel C++
- Industrial Security(PLC/Modbus)
- Reverse engineering
- Shellcode
- Anonymity
- Active Directory
- Low level C++
- DuplexSpy Remote Access Tool for Windows platform, C# based payload.
- EgoDrop Remote Access Tool for Linux platform, C/C++ based payload.
- pyWinDoor Remote Access Tool for Windows platform, Python based payload.
- Eden-RAT Remote Access Tool for Linux platform, Python based payload.
- LaserGunDDoS Modularized Denial of Service tool.
- Alien (Rewrite version) Webshell management tool.
- Miniluv ARP spoofing and MITM tool.
- GhootenTag XSS attack tool.
- ThornGrid Botnet DDoS/Stress test tool.
- WinPower Remote Access Tool for Windows platform, PowerShell based payload.
- Tuxnet : Remote Access Tool for Unix-like system.
- AngelDust : Remote Access Tool for Windows platform, C/C++/Win32 C++ based payload.

