From 4c3c6078a65b829c8cc449a46bd0f28e9ee154b5 Mon Sep 17 00:00:00 2001
From: tc-wleite <wladimir.leite@gmail.com>
Date: Wed, 2 Aug 2023 18:55:04 -0300
Subject: [PATCH] '#1786: Add custom signatures for Matroska files (WEBM, MKV
 and MKA).

---
 .../config/conf/CustomSignatures.xml          | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/iped-app/resources/config/conf/CustomSignatures.xml b/iped-app/resources/config/conf/CustomSignatures.xml
index f60dc816d1..b7b5147675 100644
--- a/iped-app/resources/config/conf/CustomSignatures.xml
+++ b/iped-app/resources/config/conf/CustomSignatures.xml
@@ -1494,5 +1494,30 @@
     	<sub-class-of type="message/x-chat-message"/>
     </mime-type>
 
+    <mime-type type="video/x-matroska">
+        <magic priority="60">
+            <match value="0x1A45DFA3" type="string" offset="0">
+                <match value="matroska" type="string" offset="4:64">
+                </match>
+            </match>
+        </magic>
+        <glob pattern="*.mkv" />
+    </mime-type>
+
+    <mime-type type="audio/x-matroska">
+        <sub-class-of type="video/x-matroska" />
+        <glob pattern="*.mka" />
+    </mime-type>
+
+    <mime-type type="video/webm">
+        <magic priority="60">
+            <match value="0x1A45DFA3" type="string" offset="0">
+                <match value="webm" type="string" offset="4:64">
+                </match>
+            </match>
+        </magic>
+        <glob pattern="*.webm" />
+    </mime-type>
+
 </mime-info>