diff --git a/README.md b/README.md
index 9ce3084..f7d6d6d 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 LLMNR/NBT-NS/mDNS Poisoner
 
-(Original work by Laurent Gaffie <lgaffie@trustwave.com> http://www.spiderlabs.com)
+Author: Laurent Gaffie <laurent.gaffie@gmail.com > http://www.spiderlabs.com
 
 
 
diff --git a/Responder.py b/Responder.py
old mode 100644
new mode 100755
diff --git a/fingerprint.py b/fingerprint.py
index 24432a5..29191d0 100644
--- a/fingerprint.py
+++ b/fingerprint.py
@@ -21,7 +21,7 @@ import struct
 import string
 import logging
 
-from utils import *
+#from utils import *
 from odict import OrderedDict
 from packets import SMBHeader, SMBNego, SMBNegoFingerData, SMBSessionFingerData
 
diff --git a/tools/DHCP.py b/tools/DHCP.py
old mode 100644
new mode 100755
diff --git a/tools/FindSQLSrv.py b/tools/FindSQLSrv.py
old mode 100644
new mode 100755
diff --git a/tools/Icmp-Redirect.py b/tools/Icmp-Redirect.py
old mode 100644
new mode 100755
diff --git a/tools/RelayPackets.py b/tools/RelayPackets.py
index 04e8eb0..580d85a 100644
--- a/tools/RelayPackets.py
+++ b/tools/RelayPackets.py
@@ -14,7 +14,8 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-import struct
+import struct, sys
+sys.path.append('../')
 from odict import OrderedDict
 
 class Packet:
@@ -351,4 +352,4 @@ class SMBDCESVCCTLStartService(Packet):
 def ParseAnswerKey(data,host):
     key = data[73:81]
     print "Key retrieved is:%s from host:%s"%(key.encode("hex"),host)
-    return key
\ No newline at end of file
+    return key
diff --git a/tools/SMBRelay.py b/tools/SMBRelay.py
old mode 100644
new mode 100755
index 6dedf5e..e114055
--- a/tools/SMBRelay.py
+++ b/tools/SMBRelay.py
@@ -15,8 +15,10 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import sys, os, struct,re,socket,random, RelayPackets,optparse,thread
+sys.path.append('../')
 from fingerprint import RunSmbFinger
 from odict import OrderedDict
+from utils import longueur
 from socket import *
 from RelayPackets import *
 
@@ -61,7 +63,7 @@ Command  = options.CMD
 Target = options.TARGET
 Responder_IP = options.Responder_IP
 
-print "\nResponder SMBRelay 0.1\nPlease send bugs/comments to: lgaffie@trustwave.com"
+print "\nResponder SMBRelay 0.1\nPlease send bugs/comments to: laurent.gaffie@gmail.com"
 print '\033[31m'+'Use this script in combination with Responder.py for best results (remember to set SMB = Off in Responder.conf)..\nUsernames  to relay (-u) are case sensitive.'+'\033[0m'
 print 'To kill this script hit CRTL-C or Enter\nWill relay credentials for these users: '+'\033[1m\033[34m'+', '.join(UserToRelay)+'\033[0m\n'
 
diff --git a/utils.py b/utils.py
index 2fd0cbd..656bff0 100644
--- a/utils.py
+++ b/utils.py
@@ -21,7 +21,7 @@ import logging
 import socket
 import time
 import settings
-
+import struct
 try:
 	import sqlite3
 except:
@@ -383,3 +383,7 @@ def hexdump(src, l=0x16):
 		res.append(('%08X:  %-'+str(l*(2+1)+1)+'s  |%s|') % (i, hexa, text))
 
 	return '\n'.join(res)
+
+def longueur(payload):
+    length = struct.pack(">i", len(''.join(payload)))
+    return length