A Pathology of Computer Viruses by David Ferbrache BSc(Hons) (auth.)

By David Ferbrache BSc(Hons) (auth.)

The 1980's observed the appearance of frequent (and in all probability harmful) trojan horse an infection of either pc and mainframe platforms. the pc protection box has been relatively sluggish to react to this rising state of affairs. it is just during the last years major physique of data at the operation, most likely evolution and prevention of computing device viruses has constructed. A Pathology of desktop Viruses offers a close assessment of the background of the pc virus and an in-depth technical evaluation of the foundations of trojan horse and malicious program operation less than DOS, Mac, UNIX and DEC working platforms. David Ferbrache considers the prospective extension of the risk to the mainframe structures atmosphere and indicates how the possibility could be successfully combatted utilizing an antiviral administration plan. the writer addresses the newest advancements in "stealth" virus operations, in particular the rage for virus authors to undertake wide camouflage and concealment concepts, which enable viruses to sidestep either latest anti-viral software program and to prevent detection via direct commentary of desktop behaviour. A Pathology of desktop Viruses addresses a different desire - that of the pc professional who wishes a resource reference paintings detailing all features of the pc virus threat.

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Extra resources for A Pathology of Computer Viruses

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Theory of Viruses 37 A program infected by a specific virus is: • • • • Benignant if it is not pathogenic and not contagious Trojan horse if is pathogenic but not contagious Carrier if it is not pathogenic but is contagious Virulent if it is pathogenic and contagious For instance, a carrier is incapable of causing injury to the host, but will infect other programs (which may not be carriers after infection). This classification of the characteristics of an infected program is extended to produce a general classification of viruses with respect to a11 programs.

It attacks DOSt Unix, TOPS-20, Apple IIt VMS t MVSt Multics, Mact RSX-11, ITS, TRS-80t and VHS systems. To prevent the spread of this dastardly worm: 1) Dontt use the powerline. 2) Dontt use batteries either, since there are rumors that this virus has invaded most major battery plants and is infecting the positive . poles of the batteries. ) 3) Dontt upload or download files. 4) Dontt store files on ßoppy disks or hard disks. 5) Dontt read messages. Not even this one! 6) Dontt use serial ports, modems, or phone Iines.

4) Dontt store files on ßoppy disks or hard disks. 5) Dontt read messages. Not even this one! 6) Dontt use serial ports, modems, or phone Iines. 7) Dontt use keyboards, screens, or printers. 8) Dontt use switches, CPUs, memories, microprocessors, or mainframes. 9) Dontt use electric Iightst electric or gas heat or airconditioning, running water, writing, fire, c10thingt or the wheel. I'm sure if we are all careful to foUow these 9 easy steps, this virus can be eradicated, and the precious electronic ßuids of our computers can be kept pure.

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