Trojans are malicious applications that pose themselves as legitimate software in order to trick users to install them. Once on the victim's machine, it may run any number of malicious process to steal vital information or inflict damage to other software.
From the website: Skydance 3.6 S.G (Gibson-Version) is a DDoS sample for win32 using RAW sockets. Source includes these features:
Communication with ICMP Including a Syn Ack0 flood attack and a simple ping flood attack Can not be found with netstat A (ICMP) Can not be found with usual Port-Scanners (RAW) On win2k/XP-systems communication and attacks are spoofed (IP_HDRINCL :) Server size can be reduced to 17 K Client-source can be ported to UNIX because it is done as console app. (ICMP tunnel) file (<65kb) can be sent within a spoofed ICMP packet, executes it after receive.