This archive includes a presentation and code samples. The presentation is called Parsing Binary File Formats with PowerShell.
You can download it from the following link: https://packetstormsecurity.com/files/download/121014/powershell-parsingbinary.tgz
Source: https://packetstormsecurity.com/files/121014/Parsing-Binary-File-Formats-With-PowerShell.html