Created gitlab-enum.yaml

This template is designed to identify accessible GitLab instances by checking the availability of two key endpoints: /explore and /api/v4/projects. It performs HTTP GET requests to these endpoints and validates that they return a status code of 200, indicating that the endpoints are operational.

http/exposed-panels/gitlab-enum.yaml

@@ -0,0 +1,31 @@
+id: gitlab-enum
+
+info:
+  name: GitLab Instance Explore and API Check
+  author: Sujal Tuladhar
+  severity: info
+  description: |
+    This template checks for GitLab instances by verifying if /explore and /api/v4/projects endpoints are accessible with a 200 response.
+  tags: gitlab, api
+
+requests:
+  - method: GET
+    path:
+      - "{{BaseURL}}/explore"
+    matchers:
+      - type: status
+        status:
+          - 200
+    extractors:
+      - type: regex
+        part: body
+        regex:
+          - "(?i)explore GitLab"
+
+  - method: GET
+    path:
+      - "{{BaseURL}}/api/v4/projects"
+    matchers:
+      - type: status
+        status:
+          - 200