Program V:$=$

$\{$goto main;

$1234567$;

Subroutine infect$-$executable :$=$

$\{$Loop:

file:$=$get$-$random executable$-$

if$($first$-$line$-$of$-$file $=12345$

then goto loop

else prepend V to fil

Subroutine do$-$damage;$=$

$\{$whatever damage is to be done

Subroutine trigger$-$pulled:$=$

$\{$return true if some condition

main: main$-$program:$=$

$\{$infect$-$exectutable:

if trigger$-$pulled then do$-$damage:

a$.$If this virus was also a logic bomb,give two example of conditions for the logic bomb

b$.$Explain the lines of code that would implement the logic bomb.

c$.$How many other files does this viurs infect?Explain your answer.

d$.$Will this virus infect a file that is already infected with the virus?Explain your answer

e$.$Explain why it is relatively easy for anti$-$virus software to detect such a virus.

f$.$ ignoring techniques such as polymorphic and metamorphic viruses,explain

this virus can be improved to avoid detection by anti$-$virus software