Industrial Communication Systems

Security in Industrial Communication Systems 22-11

• Trojan horse: A Trojan horse obscures its malicious intent by pretending to have a useful func-

tion. However, aer being activated by the user, a hidden malicious function is performed that

allows a remote adversary to gain unauthorized access to the host that executes the Trojan

horse.

• Logical bomb: A logical bomb is malware that only activates itself aer certain conditions are

met. A special kind of logical bomb is a time bomb where a specic point in time is used as

trigger.

•

Rootkit:

A

rootkit

is

a

special

kind

of

malware

that

infects

the

system

in

a

way

that

it

remains

invisible

at

the

host.

To

achieve

this,

rootkits

typically

replace

core

components

of

the

system

soware

li

ke