Malicious Process Conscious Operating Systems (mpcos)

Additional principle of operating system is presented in this paper towards making thernoperating system malicious activity conscious. In addition to the existing principles ofrnmodern operating systems that mainly focus on resource management and userrnmanagement, we proposed operating systems should follow principles of preventingrnmalicious code. Exploiting the fact that malicious code/programs still require servicesrnfrom the operating system that is provided via system call, we hypothesized andrndemonstrated that the operating system is the ideal location where malicious codernprevention is made. Since computer security has a human element as well, in ourrnapproach we followed control of malicious activity by forcing them to run with thernconsent of the user. We also suggested a mechanism of pre-evaluation of programs torncategories them as trusted or not. The suggested mechanism uses a lookup file calledrnTALF which consist list of known or trusted application. The operating system therebyrnconsults the TALF prior to letting any application run on the machine. Each applicationrnin the TALF is identified by a locally unique identifier – TAID. In line with TALF, anrnalert system is proposed to bring program execution to the consent of the user.

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