diff --git a/technologies/gnuboard-detect.yaml b/technologies/gnuboard-detect.yaml
new file mode 100644
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--- /dev/null
+++ b/technologies/gnuboard-detect.yaml
@@ -0,0 +1,35 @@
+id: gnuboard-detect
+
+info:
+  name: Gnuboard CMS Detect
+  author: gy741
+  severity: info
+  description: Detects Gnuboard CMS
+  reference: https://sir.kr/
+  tags: tech,gnuboard
+
+requests:
+  - method: GET
+    path:
+      - "{{BaseURL}}/LICENSE.txt"
+
+    matchers-condition: and
+    matchers:
+      - type: word
+        part: body
+        words:
+          - 'GNU Board'
+          - 'http://sir.kr'
+        condition: and
+
+      - type: word
+        part: header
+        words:
+          - 'text/plain'
+
+    extractors:
+      - type: regex
+        part: body
+        group: 1
+        regex:
+          - '\( GNU Board (.*) \)'