Bandook is a FWB#++ reverse connection rat (Remote Administration Tool), with a small size server when packed 30 KB, and a long list of amazing features
Main features list of the program:

• Firewall bypass method: FWB#++ (Code injection, API unhook, kernel patch)
• Reverse connection, all traffic through one port
• Safe thread based client
• Persistance (Irremovable)
• Rootkit
• Plugins based server (30 KB packed)
• Very friendly graphical user interface
• Different installation paths
• PNG / JPEG compressions for screencapture and webcam

Managing features:

• Filemanager with all types of functions, including folder mirror, rar folder/files, file search, infect files, multiple files download / upload, download / upload manager
• Registry editor with all type of functions
• Process manager (Shows full path, and modules Manager)
• Windows manager (including a send key Function)
• Services manager

Connection features:

• Socks 4 proxy
• HTTP / HTTPS proxy
• Port redirection
• TCP tunnel
• HTTP web server
• FTP server
• Remote shell
• Flooding (Mailbomb, DDOS attacks)

Spying features:

• Screen manager with screen clicks
• Cam manager that supports system with multiple cams
• Mic manager (Record voice from microphone)
• IMs spy (MSN, YAHOO, AIM)
• Keylogger (live)
• Offline keylogger (Colored HTML), Live passwords, IMs Spy with automatic delivery to FTP
• Cached PWS fetcher [6 embended PWS plugins]
• VNC (Remote desktop live control)
• Site detection: Check all your computers and know which one visits a specific site
• Clipboard manager
• Information about the remote machine
• Cache reader
• Screen recorder (Record the user activities on the screen into AVI movies)

Others:

• Shutdown menu
• Nuclear Fun Agent (Fun)
• Download from web / mass download / selection download
• Visit site

And many others features, try it yourself