Pirni Pro is a new application developed by Axel Moller that allows you to monitor your WiFi network connection, and collect usernames and passwords from your iPhone or iPod Touch.

Pirni is a network sniffer for the iPhone/iPod Touch that includes a native ARP spoofer. This can be used to sniff usernames, passwords and data traffic running over your wireless network. This new version with a graphical interface is very user friendly.

Features:

• ARP spoof the entire network or any computer.
• Watch a live feed over interesting packets collected.
• Manage regular expressions to filter out data, such as site credentials.

Changelog:

v1.1.7-2

• Fixes license-fetch issues – sorry about the mix up.

Pirni Pro is available in Cydia from BigBoss repository for $1.99. A free version is also available in Cydia called Pirni.