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This commit is contained in:
Alessandro ZANNI
parent
fde75cbc34
commit
f5c66e9b16
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@ -0,0 +1,444 @@
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#!/usr/bin/env python2
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from impacket import smbserver, ntlm
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from impacket.dcerpc.v5 import transport, scmr
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from impacket.dcerpc.v5.dcomrt import DCOMConnection
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from impacket.dcerpc.v5.dcom import wmi
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from impacket.dcerpc.v5.dtypes import NULL
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from impacket.smbconnection import *
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import argparse
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import time
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import ntpath
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import ConfigParser
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import traceback
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import random
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import sys
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import os
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import string
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PERM_DIR = ''.join(random.sample(string.ascii_letters, 10))
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OUTPUT_FILENAME = ''.join(random.sample(string.ascii_letters, 10))
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BATCH_FILENAME = ''.join(random.sample(string.ascii_letters, 10)) + '.bat'
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SMBSERVER_DIR = ''.join(random.sample(string.ascii_letters, 10))
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DUMMY_SHARE = 'TMP'
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class SMBServer():
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def __init__(self):
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if os.geteuid() != 0:
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exit('[!] Error: ** SMB Server must be run as root **')
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def cleanup_server(self):
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print '[*] Cleaning up..'
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try:
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os.unlink(SMBSERVER_DIR + '/smb.log')
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except:
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pass
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os.rmdir(SMBSERVER_DIR)
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def run(self):
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# Here we write a mini config for the server
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smbConfig = ConfigParser.ConfigParser()
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smbConfig.add_section('global')
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smbConfig.set('global','server_name','server_name')
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smbConfig.set('global','server_os','UNIX')
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smbConfig.set('global','server_domain','WORKGROUP')
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smbConfig.set('global','log_file',SMBSERVER_DIR + '/smb.log')
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smbConfig.set('global','credentials_file','')
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# Let's add a dummy share
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smbConfig.add_section(DUMMY_SHARE)
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smbConfig.set(DUMMY_SHARE,'comment','')
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smbConfig.set(DUMMY_SHARE,'read only','no')
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smbConfig.set(DUMMY_SHARE,'share type','0')
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smbConfig.set(DUMMY_SHARE,'path',SMBSERVER_DIR)
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# IPC always needed
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smbConfig.add_section('IPC$')
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smbConfig.set('IPC$','comment','')
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smbConfig.set('IPC$','read only','yes')
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smbConfig.set('IPC$','share type','3')
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smbConfig.set('IPC$','path')
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self.smb = smbserver.SMBSERVER(('0.0.0.0',445), config_parser = smbConfig)
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print '[*] Creating tmp directory'
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try:
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os.mkdir(SMBSERVER_DIR)
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except Exception, e:
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print '[!]', e
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pass
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print '[*] Setting up SMB Server'
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self.smb.processConfigFile()
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print '[*] Ready to listen...'
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try:
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self.smb.serve_forever()
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except:
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pass
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def stop(self):
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self.cleanup_server()
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self.smb.socket.close()
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self.smb.server_close()
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class RemoteShellsmbexec():
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def __init__(self, share, rpc, mode, serviceName, command):
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self.__share = share
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self.__mode = mode
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self.__output = '\\Windows\\Temp\\' + OUTPUT_FILENAME
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self.__batchFile = '%TEMP%\\' + BATCH_FILENAME
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self.__outputBuffer = ''
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self.__command = command
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self.__shell = '%COMSPEC% /Q /c '
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self.__serviceName = serviceName
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self.__rpc = rpc
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self.__scmr = rpc.get_dce_rpc()
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try:
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self.__scmr.connect()
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except Exception as e:
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print "[!] {}".format(e)
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sys.exit(1)
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s = rpc.get_smb_connection()
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# We don't wanna deal with timeouts from now on.
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s.setTimeout(100000)
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if mode == 'SERVER':
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myIPaddr = s.getSMBServer().get_socket().getsockname()[0]
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self.__copyBack = 'copy %s \\\\%s\\%s' % (self.__output, myIPaddr, DUMMY_SHARE)
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try:
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self.__scmr.bind(scmr.MSRPC_UUID_SCMR)
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resp = scmr.hROpenSCManagerW(self.__scmr)
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self.__scHandle = resp['lpScHandle']
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self.transferClient = rpc.get_smb_connection()
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except Exception as e:
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print "[-] {}".format(e)
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def set_copyback(self):
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s = self.__rpc.get_smb_connection()
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s.setTimeout(100000)
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myIPaddr = s.getSMBServer().get_socket().getsockname()[0]
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self.__copyBack = 'copy %s \\\\%s\\%s' % (self.__output, myIPaddr, DUMMY_SHARE)
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def finish(self):
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# Just in case the service is still created
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try:
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self.__scmr = self.__rpc.get_dce_rpc()
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self.__scmr.connect()
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self.__scmr.bind(svcctl.MSRPC_UUID_SVCCTL)
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resp = scmr.hROpenSCManagerW(self.__scmr)
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self.__scHandle = resp['lpScHandle']
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resp = scmr.hROpenServiceW(self.__scmr, self.__scHandle, self.__serviceName)
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service = resp['lpServiceHandle']
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scmr.hRDeleteService(self.__scmr, service)
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scmr.hRControlService(self.__scmr, service, scmr.SERVICE_CONTROL_STOP)
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scmr.hRCloseServiceHandle(self.__scmr, service)
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except Exception, e:
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pass
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def get_output(self):
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def output_callback(data):
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self.__outputBuffer += data
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if self.__mode == 'SHARE':
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#while True:
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# try:
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self.transferClient.getFile(self.__share, self.__output, output_callback)
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# break
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# except Exception, e:
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# if "STATUS_OBJECT_NAME_NOT_FOUND" in str(e):
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# time.sleep(1)
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# pass
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# else:
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# print str(e)
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# pass
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self.transferClient.deleteFile(self.__share, self.__output)
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else:
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fd = open(SMBSERVER_DIR + '/' + OUTPUT_FILENAME,'r')
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output_callback(fd.read())
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fd.close()
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os.unlink(SMBSERVER_DIR + '/' + OUTPUT_FILENAME)
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def execute_remote(self, data):
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command = self.__shell + 'echo ' + data + ' ^> ' + self.__output + ' 2^>^&1 > ' + self.__batchFile + ' & ' + self.__shell + self.__batchFile
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if self.__mode == 'SERVER':
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command += ' & ' + self.__copyBack
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command += ' & ' + 'del ' + self.__batchFile
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try:
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resp = scmr.hRCreateServiceW(self.__scmr, self.__scHandle, self.__serviceName, self.__serviceName, lpBinaryPathName=command)
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service = resp['lpServiceHandle']
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except:
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return
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try:
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scmr.hRStartServiceW(self.__scmr, service)
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except:
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pass
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scmr.hRDeleteService(self.__scmr, service)
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scmr.hRCloseServiceHandle(self.__scmr, service)
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self.get_output()
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def send_data(self, data):
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self.execute_remote(data)
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result = self.__outputBuffer
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self.__outputBuffer = ''
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return result
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class CMDEXEC:
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KNOWN_PROTOCOLS = {
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'139/SMB': (r'ncacn_np:%s[\pipe\svcctl]', 139),
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'445/SMB': (r'ncacn_np:%s[\pipe\svcctl]', 445),
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}
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def __init__(self, protocols = None, username = '', password = '', domain = '', hashes = '', share = None, command= None):
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if not protocols:
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protocols = CMDEXEC.KNOWN_PROTOCOLS.keys()
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self.__username = username
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self.__password = password
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self.__protocols = [protocols]
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self.__serviceName = self.service_generator()
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self.__domain = domain
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self.__command = command
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self.__lmhash = ''
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self.__nthash = ''
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self.__aesKey = None
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self.__doKerberos = None
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self.__share = share
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self.__mode = 'SHARE'
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if hashes:
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self.__lmhash, self.__nthash = hashes.split(':')
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def service_generator(self, size=6, chars=string.ascii_uppercase):
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return ''.join(random.choice(chars) for _ in range(size))
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def run(self, addr):
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result = ''
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for protocol in self.__protocols:
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protodef = CMDEXEC.KNOWN_PROTOCOLS[protocol]
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port = protodef[1]
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#logging.info("Trying protocol %s..." % protocol)
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#logging.info("Creating service %s..." % self.__serviceName)
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stringbinding = protodef[0] % addr
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rpctransport = transport.DCERPCTransportFactory(stringbinding)
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rpctransport.set_dport(port)
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if hasattr(rpctransport,'preferred_dialect'):
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rpctransport.preferred_dialect(SMB_DIALECT)
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if hasattr(rpctransport, 'set_credentials'):
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# This method exists only for selected protocol sequences.
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rpctransport.set_credentials(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash, self.__aesKey)
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try:
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self.shell = RemoteShellsmbexec(self.__share, rpctransport, self.__mode, self.__serviceName, self.__command)
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result = self.shell.send_data(self.__command)
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except SessionError as e:
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if 'STATUS_SHARING_VIOLATION' in str(e):
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return
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else:
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print "[-] {}".format(e)
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#self.__mode = 'SERVER'
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#serverThread = SMBServer()
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#serverThread.daemon = True
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#serverThread.start()
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#self.shell = RemoteShellsmbexec(self.__share, rpctransport, self.__mode, self.__serviceName, self.__command)
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#self.shell.set_copyback()
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#result = self.shell.send_data(self.__command)
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#serverThread.stop()
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except (Exception, KeyboardInterrupt), e:
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print e
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traceback.print_exc()
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self.shell.finish()
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sys.stdout.flush()
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# sys.exit(1)
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return result
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class WMIEXEC:
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def __init__(self, command = '', username = '', password = '', domain = '', hashes = '', share = None, noOutput=True):
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self.__command = command
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self.__username = username
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self.__password = password
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self.__domain = domain
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self.__lmhash = ''
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self.__nthash = ''
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self.__aesKey = None
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self.__share = share
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self.__noOutput = noOutput
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self.__doKerberos = False
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if hashes:
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self.__lmhash, self.__nthash = hashes.split(':')
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def run(self, addr, smbConnection):
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result = ''
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dcom = DCOMConnection(addr, self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash, self.__aesKey, oxidResolver = True, doKerberos=self.__doKerberos)
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iInterface = dcom.CoCreateInstanceEx(wmi.CLSID_WbemLevel1Login,wmi.IID_IWbemLevel1Login)
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iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
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iWbemServices= iWbemLevel1Login.NTLMLogin('//./root/cimv2', NULL, NULL)
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iWbemLevel1Login.RemRelease()
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win32Process,_ = iWbemServices.GetObject('Win32_Process')
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try:
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self.shell = RemoteShellwmi(self.__share, win32Process, smbConnection)
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result = self.shell.send_data(self.__command)
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except (Exception, KeyboardInterrupt), e:
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traceback.print_exc()
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dcom.disconnect()
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sys.stdout.flush()
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dcom.disconnect()
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return result
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class RemoteShellwmi():
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def __init__(self, share, win32Process, smbConnection):
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self.__share = share
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self.__output = '\\' + OUTPUT_FILENAME
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self.__outputBuffer = ''
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self.__shell = 'cmd.exe /Q /c '
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self.__win32Process = win32Process
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self.__transferClient = smbConnection
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self.__pwd = 'C:\\'
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self.__noOutput = False
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# We don't wanna deal with timeouts from now on.
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if self.__transferClient is not None:
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self.__transferClient.setTimeout(100000)
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else:
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self.__noOutput = True
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def get_output(self):
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def output_callback(data):
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self.__outputBuffer += data
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if self.__noOutput is True:
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self.__outputBuffer = ''
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return
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while True:
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try:
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self.__transferClient.getFile(self.__share, self.__output, output_callback)
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break
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except Exception, e:
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if "STATUS_SHARING_VIOLATION" in str(e):
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time.sleep(1)
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pass
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else:
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#print str(e)
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pass
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self.__transferClient.deleteFile(self.__share, self.__output)
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def execute_remote(self, data):
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command = self.__shell + data
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if self.__noOutput is False:
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command += ' 1> ' + '\\\\127.0.0.1\\%s' % self.__share + self.__output + ' 2>&1'
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obj = self.__win32Process.Create(command, self.__pwd, None)
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self.get_output()
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def send_data(self, data):
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self.execute_remote(data)
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result = self.__outputBuffer
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self.__outputBuffer = ''
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return result
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def _listShares(smb, passwd):
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permissions = dict()
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root = ntpath.normpath("\\{}".format(PERM_DIR))
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for share in smb.listShares():
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share_name = str(share['shi1_netname'][:-1])
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permissions[share_name] = "NO ACCESS"
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try:
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if smb.listPath(share_name, '', passwd):
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permissions[share_name] = "READ"
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except:
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pass
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try:
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if smb.createDirectory(share_name, root):
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smb.deleteDirectory(share_name, root)
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permissions[share_name] = "READ, WRITE"
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except:
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pass
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return permissions
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def upload_file(smbconn, host, src, dst):
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dst = string.replace(dst,'/','\\')
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dst = ntpath.normpath(dst)
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dst = dst.split('\\')
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share = dst[0].replace(':', '$')
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dst = '\\'.join(dst[1:])
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if os.path.exists(src):
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print '[+] Starting upload: %s (%s bytes)' % (src, os.path.getsize(src))
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upFile = open(src, 'rb')
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try:
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smbconn.putFile(share, dst, upFile.read)
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print '[+] Upload complete: %s' % dst
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upFile.close()
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return True
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except Exception as e:
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print '[!]', e
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print '[!] Error uploading file, you need to include destination file name in the path'
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upFile.close()
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else:
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print '[!] Invalid source. File does not exist'
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return False
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def connect(host, port, user, passwd, hash, share, upload_execute, exe_name, src, dst, command, domain="workgroup", execm="smbexec"):
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try:
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smb = SMBConnection(host, host, None, port, timeout=2)
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try:
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smb.login('' , '')
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except SessionError as e:
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if "STATUS_ACCESS_DENIED" in e.message:
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pass
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print "[+] {}:{} is running {} (name:{}) (domain:{})".format(host, port, smb.getServerOS(), smb.getServerName(), domain)
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if upload_execute:
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command = '"%s"' % dst
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if command:
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try:
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lmhash = ''
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nthash = ''
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if hash:
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lmhash, nthash = hash.split(':')
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smb.login(user, passwd, domain, lmhash, nthash)
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if upload_execute:
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if upload_file(smb, host, src, dst):
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print '[!] Do not forget to remove the file: %s ' % dst
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if command:
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if execm == 'smbexec':
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executer = CMDEXEC('{}/SMB'.format(port), user, passwd, domain, hash, share, command)
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result = executer.run(host)
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elif execm == 'wmi':
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executer = WMIEXEC(command, user, passwd, domain, hash, share)
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result = executer.run(host, smb)
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if result: print result
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smb.logoff()
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except SessionError as e:
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print "[-] {}:{} {}".format(host, port, e)
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except Exception as e:
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print "[-] {}:{} {}".format(host, port, e)
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except Exception as e:
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print "[!] {}".format(e)
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