Hints
Hint 1Show
After the HTTP Upgrade request, each TCP payload from port 51544 to 8080 carries one WebSocket frame
Hint 2Show
In the first byte the top bit is FIN and the low 4 bits are the opcode. The top bit of the second byte is the mask flag; when set, the 4 bytes after the length are the key
Hint 3Show
Unmask with payload[i] ^ key[i % 4], then join the FIN=0 text frame with the following continuation frames (opcode 0)