Covers: theHarvester, Netcraft, metagoofil

Covers: Nmap and fping

Covers: Nmap Scripting Engine and Categories

Covers: Nessus Setup and Usage

Covers: CeWL, rsmangler, Medusa

Covers: Metasploit initialization, searching, and exploiting

Covers: Unshadow, John the Ripper, and Secure Copy

Covers: PHP Shells and Scripting, URL encoding