CEH Certified Ethical Hacker Practice Exams, Fourth Edition, 4th Edition

wrapper is used to bind a Trojan and a legitimate program together so the Trojan will be installed when the legitimate program is executed.

crypter is a software tool that uses a combination of encryption and code manipulation to render malware undetectable to AV and other security monitoring products

session splicing is an IDS evasion method.

Spyware is type of malware that covertly collects information about a user.

virus is a malicious computer program with self-replication capabilities that attaches to another file and moves with the host from one computer to another.

worm is a self-replicating, self-propagating, self-contained program that uses networking mechanisms to spread itself.

Trojan is a non-self-replicating

Aircrack is “an 802.11 WEP and WPA-PSK keys cracking program that can recover keys once enough data packets have been captured. It implements the standard FMS attack along with some optimizations like KoreK attacks, as well as the all-new PTW attack

Remember that the initialization vectors within WEP are relatively short (24 bits) and are reused frequently, so any attempt to crack the code requires, in general, around 15,000 or so packets.

Pivoting does refer to connecting to other machines from a compromised system, but is not accomplished with a pivot command.