Add find file-write

Co-authored-by: Andrea Cardaci <cyrus.and@gmail.com>

_gtfobins/find.md

@@ -6,4 +6,9 @@ functions:
     - code: ./find . -exec /bin/sh -p \; -quit
   sudo:
     - code: sudo find . -exec /bin/sh \; -quit
+  file-write:
+    - description: DATA is a format string, it supports some escape sequences.
+      code: |
+        LFILE=file_to_write
+        find / -fprintf "$FILE" DATA -quit
 ---