diff --git a/http/osint/user-enumeration/substack.yaml b/http/osint/user-enumeration/substack.yaml
new file mode 100644
index 0000000000..baf9eef9c7
--- /dev/null
+++ b/http/osint/user-enumeration/substack.yaml
@@ -0,0 +1,34 @@
+id: substack
+
+info:
+  name: substack.com User Name Information - Detect
+  author: cheesymoon
+  severity: info
+  description: substack.com user name information check was conducted.
+  classification:
+    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
+    cvss-score: 0
+    cwe-id: CWE-200
+  metadata:
+    max-request: 1
+  tags: osint,substack
+
+self-contained: true
+
+http:
+  - method: GET
+    path:
+      - "https://substack.com/@{{user}}"
+
+    matchers-condition: and
+    matchers:
+      - type: word
+        part: body
+        words:
+          - "No people found for"
+        negative: true
+
+      - type: word
+        part: body
+        words:
+          - 'handle\":\"{{user}}\"'