YAS

YAS (Yet Another Sniffer) is a Scapy-based network analyzer. It bundles some useful functionalities into a single tool, making it easy to extract different information about network traffic.

Features

• Read from and write to .pcap files
• Monitor ARP requests/responses
• Sniff on multiple interfaces
• Extract EAPOL data
• Save detected hosts to a file
• Perform reverse DNS lookup
• Show local access points
• Show packet trace and detailed packets count
• Highlight local Gateway and Domain Controller
• Search for regular expressions
• Monitor HTTP requests
• Sniff in asynchronous mode

Examples of use

Read packets from a .pcap file; show information about Access Points:

./yas.py -r file.pcap -B

Show ARP traffic and reverse DNS lookup; sniff on all interfaces and write capture to .pcap:

./yas.py -a -A -R-w file.pcap

Run sniffer for 10 minutes on selected interface, and write IP addresses of found hosts to a file:

./yas -t 10m -W hosts_file -i wlan0

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License

This software is under MIT License