Snort 1.7 for Windows – This is a working port of Snort to Windows NT/2000/9x.
You can download it from the following link: https://packetstormsecurity.com/files/download/24266/snort-1.7-win32-static.zip
Source: https://packetstormsecurity.com/files/24266/snort-1.7-win32-static.zip.html