Pirni Pro 1.1.7-2 is cracked .deb file and only compatible with jailbroken iPhone only. Network sniffer, native ARP spoofer. Sniff usernames, passwords and data traffic running over your wireless network. You have to install dependencies here before downloading deb file as follow:

Alternate Ways To Install:
Ssh your iPhone. You may see instruction on how to install .deb file via SSH. And make a folder called AutoInstall in/var/root/Media/Cydia/ so you have /var/root/Media/Cydia/AutoInstall which is case sensitive and drop this debs file in the autoinstall folder, reboot and respring your iPhone.