A virus is a malicious program that passes from one computer to another in the same way as a biological virus passes from one person to another. Most viruses are
NetBIOS is a Microsoft service that enables applications on different computers to communicate within a LAN. NetBIOS systems identify themselves with a 15-character unique name and use Server Message Block,
BlackIce Defender is a Host-Based Intrusion Detection System (HIDS). It provides a firewall that detects, reports, and blocks all suspected access attempts. When any intrusion is detected, it provides a
Worms are programs that replicate themselves from one system to another without using a host file. Although in most cases worms exist inside files, such as Word or Excel documents,
Whois queries are used to determine the IP address ranges associated with clients. A whois query can be run on most UNIX environments. In a Windows environment, the tools such
A Trojan may infect any system through Trojan vectors. The most common Trojan vectors are as follows: * Email attachments * Social engineering * NetBIOS remote installation * Physical access
In the pre-attack phase, there are seven steps, which have been defined by the EC-Council, as follows: 1. Information gathering 2. Determining network range 3. Identifying active machines 4. Finding