diff --git a/Offensive.md b/Offensive.md
index 97deee4..fe4ff0e 100644
--- a/Offensive.md
+++ b/Offensive.md
@@ -842,6 +842,10 @@ Some tools can be categorized in more than one category. But because the current
         <td><a href="https://github.com/huntresslabs/evading-autoruns">huntresslabs/evading-autoruns</a></td>
         <td>Slides and reference material from Evading Autoruns presentation at DerbyCon 7 (September 2017)</td>
     </tr>
+    <tr>
+        <td><a href="https://github.com/jason-klein/signed-nsis-exe-append-payload">jason-klein/signed-nsis-exe-append-payload</a></td>
+        <td>Append a custom data payload to a digitally signed NSIS .exe installer</td>
+    </tr>
     <tr>
         <td><a href="https://github.com/jfmaes/SharpNukeEventLog">jfmaes/SharpNukeEventLog</a></td>
         <td>nuke that event log using some epic dinvoke fu</td>