#!/usr/local/bin/perl
use strict;
use warnings;
use YAML;
use Data::Dumper;

my $bin ="\x15\xED\xB0\x44\xB5\xEB\x2B\x05\x74\x1B\xD6\x5C\xBB\xE9 4F\x30\x";

say pack("H*, $bin);



__DATA__
use this instead of STDIN
like this.