added ccc ghidra and cicada-3301

README.md

@@ -24,9 +24,11 @@ It consists of tons of rooms, which are virtual classrooms dedicated to particul
 | [Break It](https://tryhackme.com/room/breakit) | bases, cipher, bit shift | Medium | Can you break the code? |
 | [Brooklyn99](https://tryhackme.com/room/brooklynninenine) | security, nmap, gobuster, pentest | Easy | This room is aimed at beginner level hackers but anyone can try to hack this box |
 | [Brute It](https://tryhackme.com/room/bruteit) | security, bruteforce, hash cracking, privilege escalation | Easy | Learn how to brute, hash cracking and privilege escalation in this box |
+| [CC: Ghidra](https://tryhackme.com/room/ccghidra) | security, re, reverse engineering, ghidra | Easy | A crash course on the reverse engineering tool - Ghidra |
 | [CC: Steganography](https://tryhackme.com/room/ccstego) | security, steg, secret, steganography | Easy | A crash course on the topic of steganography |
 | [CC: Pentesting](https://tryhackme.com/room/ccpentesting) | security, pentesting, beginner | Easy | A crash course on various topics in penetration testing |
 | [CTF Collection Vol. 1](https://tryhackme.com/room/ctfcollectionvol1) | capture the flag, stego, crypto, binary | Easy | Sharpening up your CTF skills with the collection. The first volume is designed for beginners |
+| [Cicada-3301 Volume 1](https://tryhackme.com/room/cicada3301vol1) | security, audio, steganography, cryptography | Medium | A basic steganography and cryptography challenge room based on the Cicada-3301 challenges |
 | [Cod caper](https://tryhackme.com/room/thecodcaper) | security, pwn, pwntools, reversing | Easy | A guided room taking you through infiltrating and exploiting a Linux system |
 | [Crypto 101](https://tryhackme.com/room/encryptioncrypto101) | security, crypto, 101, encryption | Easy | An Introduction to cryptography as part of a series on Crypto |
 | [Golden Eye](https://tryhackme.com/room/goldeneye) | hydra, email, enumeration, nmap | Medium | Bond, James Bond. A guided CTF |