Cowpatty vs Yersinia: Which Kali Linux Tools tool is Best in 2025?

Cowpatty is a robust open-source wireless network auditing tool for ethical hacking, seamlessly integrated into Kali Linux (version 2024.06.R1). As a WPA/WPA2-PSK dictionary attack tool for cybersecurity, it performs offline passphrase cracking using captured 4-way handshakes, making it a top choice for wireless password cracking in penetration testing. Developed by Joshua Wright, its 77 KB size and genpmk utility enable efficient attacks on pre-shared key (PSK) networks.

Yersinia is an open-source, robust framework for executing layer 2 (Data Link Layer) network attacks, designed to exploit vulnerabilities in various network protocols. Integrated into Kali Linux, Yersinia empowers cybersecurity professionals, penetration testers, and network administrators to analyze and test the security of deployed networks. Named after the plague-causing bacterium Yersinia pestis, it targets protocols like STP, DHCP, CDP, and VLAN, enabling users to simulate attacks such as DHCP starvation, VLAN hopping, and spanning tree manipulation.