Find the relevant text using a regular expression, then go through it two characters at a time and use hex() and chr() to decode (added a closing 00020400 to your data): 
    my $raw = join '', <DATA>;
    $raw =~ s/\n//g;

    if(my($encoded) =
       ($raw =~ /0002000000(.*?)00020400/)) {

        while($encoded =~ /(..)/g) {
            print chr (hex($1)), "\n";
        }
    }

__DATA__
045a010000020000004c45534f4e
4452412043414c4c454420424143
4b2c204920414456495345442054
48415420574500020400

[download]
cracks your 'code': 
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,

[download]

In reply to Re: Reading hex data by saintmike
in thread Reading hex data by borgis

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