diff --git a/packets.py b/packets.py
index 9820e26..79794f5 100644
--- a/packets.py
+++ b/packets.py
@@ -1597,4 +1597,39 @@ class SMB2Session2Data(Packet):
     ])
 
 
+######################FindSMBTime.py##########################
+class SMBHeaderReq(Packet):
+    fields = OrderedDict([
+        ("Proto", "\xff\x53\x4d\x42"),
+        ("Cmd", "\x72"),
+        ("Error-Code", "\x00\x00\x00\x00" ),
+        ("Flag1", "\x10"),
+        ("Flag2", "\x00\x00"),
+        ("Pidhigh", "\x00\x00"),
+        ("Signature", "\x00\x00\x00\x00\x00\x00\x00\x00"),
+        ("Reserved", "\x00\x00"),
+        ("TID", "\x00\x00"),
+        ("PID", "\xff\xfe"),
+        ("UID", "\x00\x00"),
+        ("MID", "\x00\x00"),
+    ])
 
+class SMB2NegoReq(Packet):
+    fields = OrderedDict([
+        ("Wordcount", "\x00"),
+        ("Bcc", "\x62\x00"),
+        ("Data", "")
+    ])
+    
+    def calculate(self):
+        self.fields["Bcc"] = struct.pack("<H",len(str(self.fields["Data"])))
+
+class SMB2NegoDataReq(Packet):
+    fields = OrderedDict([
+        ("StrType","\x02" ),
+        ("dialect", "NT LM 0.12\x00"),
+        ("StrType1","\x02"),
+        ("dialect1", "SMB 2.002\x00"),
+        ("StrType2","\x02"),
+        ("dialect2", "SMB 2.???\x00"),
+    ])
diff --git a/tools/FindSMB2UPTime.py b/tools/FindSMB2UPTime.py
index a01a3ca..1b0d787 100755
--- a/tools/FindSMB2UPTime.py
+++ b/tools/FindSMB2UPTime.py
@@ -21,7 +21,7 @@ import struct
 import socket
 
 sys.path.insert(0, os.path.realpath(os.path.join(os.path.dirname(__file__), '..')))
-from packets import SMB2Header, SMB2Nego, SMB2NegoData
+from packets import SMBHeaderReq, SMB2NegoReq, SMB2NegoDataReq
 
 def GetBootTime(data):
     Filetime = int(struct.unpack('<q',data)[0])
@@ -43,8 +43,8 @@ def run(host):
     s.connect(host)  
     s.settimeout(5) 
 
-    Header = SMB2Header(Cmd="\x72",Flag1="\x18",Flag2="\x53\xc8")
-    Nego = SMB2Nego(Data = SMB2NegoData())
+    Header = SMBHeaderReq(Cmd="\x72",Flag1="\x18",Flag2="\x53\xc8")
+    Nego = SMB2NegoReq(Data = SMB2NegoDataReq())
     Nego.calculate()
 
     Packet = str(Header)+str(Nego)