build/script/build.php
#!/usr/bin/env php
<?php
$dropper = $argv[1];
$core32 = $argv[2];
$core64 = $argv[3];
$config = $argv[4];
$agent = file_get_contents($dropper).
"BmFyY5JhOGhoZjN1".
"testthat".
pack('V', filesize($config)).
file_get_contents($config).
pack('V', filesize($core32)).
file_get_contents($core32).
pack('V', filesize($core64)).
file_get_contents($core64).
"BmFyY5JhOGhoZjN1".
pack('V', filesize($dropper));
file_put_contents("agent", $agent);
?>