Create gitbook-takeover.yaml (#3707)

* Create gitbook-takeover.yaml

* Update gitbook-takeover.yaml

* added missing and condition

Co-authored-by: Sandeep Singh <sandeep@projectdiscovery.io>

takeovers/gitbook-takeover.yaml

@@ -0,0 +1,21 @@
+id: gitbook-takeover
+
+info:
+  name: gitbook takeover detection
+  author: philippedelteil
+  severity: high
+  tags: takeover,gitbook
+  reference:
+    - https://github.com/EdOverflow/can-i-take-over-xyz/issues/259
+    - https://hackerone.com/reports/223625
+requests:
+  - method: GET
+    path:
+      - "{{BaseURL}}"
+
+    matchers:
+      - type: word
+        words:
+          - "If you need specifics, here's the error"
+          - "Domain not found"
+        condition: and