diff --git a/Offensive.md b/Offensive.md
index 6968ae5..52f7275 100644
--- a/Offensive.md
+++ b/Offensive.md
@@ -64,6 +64,10 @@ Some tools can be categorized in more than one category. But because the current
         <td><a href="https://github.com/mdsecactivebreach/sitrep">mdsecactivebreach/sitrep</a></td>
         <td>SitRep is intended to provide a lightweight, extensible host triage alternative.</td>
     </tr>
+    <tr>
+        <td><a href="https://github.com/nccgroup/Carnivore">nccgroup/Carnivore</a></td>
+        <td>Tool for assessing on-premises Microsoft servers authentication such as ADFS, Skype, Exchange, and RDWeb</td>
+    </tr>
     <tr>
         <td><a href="https://github.com/NetSPI/goddi">NetSPI/goddi</a></td>
         <td>goddi (go dump domain info) dumps Active Directory domain information</td>