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PHP code:

<?
/* PHPÖÐÈçºÎÔö¼ÓÒ»¸öϵͳÓû§
ÏÂÃæÊÇÒ»¶ÎÀý³Ì£¬Ôö¼ÓÒ»¸öÃû×ÖΪjamesµÄÓû§,
rootÃÜÂëÊÇ verygood¡£½ö¹©²Î¿¼
*/
$sucommand = "su --login root --command";
$useradd = "useradd ";
$rootpasswd = "verygood";
$user = "james";
$user_add = sprintf("%s \"%s %s\"",$sucommand,$useradd,$user);
$fp = @popen($user_add,"w");
@fputs($fp,$rootpasswd);
@pclose($fp);
?>



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