This table provides a handy list of techniques that can be used for remote command execution, by language.

##### Table: Remote Command Execution Cheat Sheet
Web Application Environment | Source Code | Additional Information
Java Servlet |
    class Example
         extends HTTPServlet
    {
         .
         .
         .
         void function()
         {
    Runtime r = Runtime.getRuntime();
    Process p = r.exec("<command>",
    <arguments>);
    }
         .
         .
         .
    }
| http://java.sun.com/j2se/1.4/docs/api/java/lang/Runtime.html
Java Server Pages (JSP) |
    <%
         Runtime r =
    Runtime.getRuntime();
         Process p =
    r.exec("<command>",
    <arguments>);
    %>
| http://java.sun.com/j2se/1.4/docs/api/java/lang/Runtime.html
Active Server Pages (ASP) | If Windows Scripting Host is installed on the target system:
    <%
         Set wsh =
    Server.CreateObject("Wscript.shell")
         wsh.run("<command>");
    %>
| http://msdn.microsoft.com/library/default.asp?url=/library/en-us/script56/html/wsMthRun.asp
PERL | In PERL, commands are executed by wrapping them with the backtick symbol (`) $result = `<command>`; or system("<command>"); or open(IN, "<command> |"); | http://www.perldoc.com/perl5.6/pod/perlfunc.html
PHP | <? system("<command>") ?> or <? shell_exec("<command>") ?> | http://www.php.net/manual/en/function.shell-exec.php
MS SQL | EXEC master..xp_cmdshell" <command>" |