From 1284a2168dc20bb082587d5373f0b32f0cfb2917 Mon Sep 17 00:00:00 2001
From: Tal Aloni <tal.aloni.il@gmail.com>
Date: Tue, 30 Jul 2024 22:57:28 +0300
Subject: [PATCH] NTLMAuthenticationClient: Set MechanismListMIC when
 applicable

---
 SMBLibrary/Client/Authentication/NTLMAuthenticationClient.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/SMBLibrary/Client/Authentication/NTLMAuthenticationClient.cs b/SMBLibrary/Client/Authentication/NTLMAuthenticationClient.cs
index 869b9f8..9d563e0 100644
--- a/SMBLibrary/Client/Authentication/NTLMAuthenticationClient.cs
+++ b/SMBLibrary/Client/Authentication/NTLMAuthenticationClient.cs
@@ -5,6 +5,7 @@
  * either version 3 of the License, or (at your option) any later version.
  */
 using SMBLibrary.Authentication.GSSAPI;
+using SMBLibrary.Authentication.NTLM;
 using System.Collections.Generic;
 using Utilities;
 
@@ -108,6 +109,9 @@ namespace SMBLibrary.Client.Authentication
             {
                 SimpleProtectedNegotiationTokenResponse outputToken = new SimpleProtectedNegotiationTokenResponse();
                 outputToken.ResponseToken = authenticateMessageBytes;
+                List<byte[]> mechanismTypeList = new List<byte[]>() { GSSProvider.NTLMSSPIdentifier };
+                byte[] mechListBytes = SimpleProtectedNegotiationTokenInit.GetMechanismTypeListBytes(mechanismTypeList);
+                outputToken.MechanismListMIC = NTLMCryptography.ComputeMechListMIC(m_sessionKey, mechListBytes);
                 return outputToken.GetBytes();
             }
             else