Prisoner's Weapon3: (John the Ripper)

John the Ripper is a fast password cracker, Its primary purpose is to detect weak Unix passwords. supported out of the box are Kerberos AFS and Windows NT/2000/XP/2003 LM hashes, plus several more with contributed patches.

Prisoner's Weapon2: (Hping2)

hping is a TCP/IP packet assembler/analyzer. The interface is inspired to the ping(8) unix command, but hping isn't only able to send ICMP echo requests. It supports TCP, UDP, ICMP and RAW-IP protocols, has a traceroute mode, the ability to send files between a covered channel.

I special like it listen mode and the spoof address scanning! : )

Connecting to the Cisco Router under Linux.

Having Minicom and Cutecom tested,those are the program can communicating with Cisco router and other devices. Minicom it's text based Console and Cutecom it's GUI based.

However one thing I don't like about Cutecom is it recored every command entered in plain text, even include the enable password! : (

Prisoner's Weapon 1: (Nmap)

Nmap sure won my first vote, most people must heard or even using it everyday.It's much more than just a simple scanning tool, actually is a very powerful TCP/IP manipulating tools.

For example, when we try to ping a host had a firwall/IDS on it.Because ping send ICMP Packet and most likely the firewall will block it. So instead ICMP, Nmap can send TCP SYN/ACK or UDP packet. this way firewall may pass it through : )

This just only a example the power of NMAP, Strong recommend to get one in hand! : )

(Anti-Hacker Tool Kit)

Currently I'm reading this great book. Which provides complete details on the latest security tools (Nmap; Kismet; Ethereal...). Explains how to configure them to get the best results.

Strong suggest all the hacker wanna be should get one in hand!!! : )