From b5ae2872356e386d4c2867611af2c19cfc3b3a8d Mon Sep 17 00:00:00 2001
From: Brent Cook <bcook@rapid7.com>
Date: Tue, 13 Sep 2016 18:32:59 -0500
Subject: [PATCH] ensure that default_name, dns_host_name, and dns_domain_name
 are set

---
 lib/rex/proto/smb/client.rb | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/rex/proto/smb/client.rb b/lib/rex/proto/smb/client.rb
index d2affbd5bc..c9ab9d3db4 100644
--- a/lib/rex/proto/smb/client.rb
+++ b/lib/rex/proto/smb/client.rb
@@ -840,7 +840,6 @@ NTLM_UTILS = Rex::Proto::NTLM::Utils
       flags: ntlmssp_flags
     )
 
-
     blob = @ntlm_client.init_context.serialize
 
     native_data = ''
@@ -901,6 +900,14 @@ NTLM_UTILS = Rex::Proto::NTLM::Utils
     # Save the temporary UserID for use in the next request
     temp_user_id = ack['Payload']['SMB'].v['UserID']
 
+    blob_data = NTLM_UTILS.parse_ntlm_type_2_blob(blob)
+    #netbios name
+    self.default_name =  blob_data[:default_name] || ''
+    #dns name
+    self.dns_host_name =  blob_data[:dns_host_name] || ''
+    #dns domain
+    self.dns_domain_name =  blob_data[:dns_domain_name] || ''
+
     type3 = @ntlm_client.init_context([blob].pack('m'))
     type3_blob = type3.serialize
     self.signing_key = @ntlm_client.session_key