webPromedium

Контрабанда (Smuggling)

hackerlab

Task: Access hidden virtual host on nginx server. Solution: HTTP pipelining attack - send two requests in single TCP connection, first to public site, second to hidden vhost wallets.cdb discovered via email hint in source code.

socket_programming nginx http_request_smuggling http_pipelining virtual_host host_header tcp_connection_reuse hidden_vhost

HTTP Pipelining (multiple requests in single TCP connection)Virtual host enumeration via Host headerHidden virtual host access via connection reuseSource code analysis for domain hints

$ ls tags/ techniques/

socket_programming nginx http_request_smuggling http_pipelining virtual_host host_header tcp_connection_reuse hidden_vhost

HTTP Pipelining (multiple requests in single TCP connection)Virtual host enumeration via Host headerHidden virtual host access via connection reuseSource code analysis for domain hints

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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