RawCap is a tiny (17 kB) command line sniffer for Windows. You can sniff packets with RawCap without having special network drivers (like WinPcap) installed. No installation is required, just download RawCap.exe and start sniffing!

Program Information Category: Tools and Utilities Type: Free Version: 0.1.3.0 Size: 16.5KB Works on: Windows Product page: here