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Полиморфные вирусы После выхода Тодора мир узнал о новом полиморфик- генераторе PE ( ride Polymorphic E gi e), который распространялся в архивах BBS с подробным кодом и документацией по использованию. Благодаря этому, стали появляться вирусы (семейство PE),использующие этот модуль. К концу 1993 года генераторов стало выпускаться очень много. Антивирусы не справлялись с таким потоком, это также обуславливалось улучшением технологии полиморфизма. Рассмотрим примеры. Дешифратор SPE позволял записывать код вируса в исполняемые файлы и организовывал специальный счетчик. При его определенных значениях, вирус стирал содержимое MBR винчестера и перезагружал компьютер. Некоторые генераторы реагировали на команды, введенные пользователем. Например, VICE заражал файлы в каталоге лишь тогда, когда пользователь в него входил. Также дешифратор умел удалять базы антивируса. Генератор SMEG был очень опасен. Этот расшифровщик умел вписывать свой код в исполняемые файлы, а также стирать CMOS и сектора дисков. Процесс происходил каждый понедельник. После экзекуции вирус показывал надпись, сообщающую, что жесткий диск был поврежден. | |
 Набор цветных карандашей STABILO GREENcolors, 12 штук. STABILO GREENcolors - цветные карандаши, сертифицированные FSC. • Изготовлены на 100% из возобновляемой древесины и покрыты лаком на 414 руб Раздел: 7-12 цветов  Тележка, арт. 15-11017. Удобная ручка и проходимые колеса помогут Вашему малышу с легкостью возить всё необходимое для строительства дворцов, замков, дорог и 325 руб Раздел: Тележки  Багетная рама "Emma" (цветной), 40х50 см. Багетные рамы предназначены для оформления картин, вышивок и фотографий. Оформленное изделие всегда становится более выразительным и 698 руб Раздел: Размер 40x50 |  Genetic Engineering and Molecular Studies of Insulin Secreting Cells. Basics, Concepts, and Methods to Improve InsulinIn this book you will gain some knowledge of genetic engineering approaches to improve beta-cell insulin secretion which could be applied to manage models and cases of diabetes mellitus. AYMAN A. Книга по Требованию 2384 руб |  Acceptance of Colorectal Cancer Screening Tests. The Effect of Test Features on the Willingness of Medical Experts and Patients in Germany and the US to UseThe reasons for that can be either personal characteristics, circumstances, and/or test features (attributes). Книга по Требованию 2746 руб |
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 NASBA (molecular biology)NASBA was developed by J Compton in 1991, who defined it as "a primer-dependent technology that can be used for the continuous amplification of nucleic acids in a single mixture at one temperature. " Immediately after the invention of Lambert M. S. Книга по Требованию 1394 руб |  Molecular physicsCrowther J.A. Книга по Требованию 603 руб |
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