base

Info	Details
Category	Misc
Difficulty	Easy

Exploitation Script

from pwn import *
import re

host = "34.159.240.221"
port = 30632

r = remote(host, port)

while True:
    try:
        line = r.recvline().decode().strip()
        print(f"[RECV] {line}")

        if "<<" in line and ">>" in line:
            match = re.search(r'<<(.+?)>>', line)
            if not match:
                continue
            value = match.group(1)

            if "in hex" in line:
                num = int(value)
                hex_value = hex(num)
                print(f"[SEND] {hex_value}")
                r.sendline(hex_value)

            elif "in ASCII" in line:
                if all(c in "01234567 " for c in value.strip()):
                    parts = value.split()
                    try:
                        ascii_str = ''.join([chr(int(p, 8)) for p in parts])
                        print(f"[SEND] {ascii_str}")
                        r.sendline(ascii_str)
                    except Exception as e:
                        print(f"[ERROR] Could not decode octal to ASCII: {e}")
                        break
                else:
                    try:
                        ascii_str = bytes.fromhex(value).decode()
                        print(f"[SEND] {ascii_str}")
                        r.sendline(ascii_str)
                    except Exception as e:
                        print(f"[ERROR] Could not decode hex to ASCII: {e}")
                        break

        elif "flag" in line.lower():
            print(f"[FLAG] {line}")
            break

    except Exception as e:
        print(f"[ERROR] {e}")
        break

r.close()

made by k0d