viruses trojan horses and worms
Tài liệu Module 09 Viruses and Worms doc
... and infect at later stages Attack Phase: • Some viruses have trigger events to activate and corrupt systems • Some viruses have bugs that replicate and perform activities like file deletion and ... Reproduction is Strictly Prohibited Famous Viruses and Worms EC-Council Copyright © by EC-Council All Rights Reserved Reproduction is Strictly Prohibited Famous Viruses /Worms: I Love You Virus Love Letter ... different from a Virus There is a difference between general viruses and worms A worm is a special type of virus that can replicate itself and use memory, but cannot attach itself to other programs...
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Module V Viruses and Worms.Introduction to VirusComputer viruses are perceived as a threat to potx
... and infect at later stages Attack Phase: • Some viruses have trigger events to activate and corrupt systems • Some viruses have bugs that replicate and perform activities like file deletion and ... Categories: • Viruses and worms • Logic bombs • Trojans Virus Damage Virus damage can be grouped broadly under: Technical Attributes: • The technicalities involved in the modeling and use of virus ... different from a Virus There is a difference between general viruses and worms A worm is a special type of virus that can replicate itself and use memory, but cannot attach itself to other programs...
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Chuong 8 slide về viruses and worms
... www.vncert.gov.vn Module VIRUSES AND WORMS www.vncert.gov.vn Introduction to Virus www.vncert.gov.vn Virus and Worm Statistic 2010 www.vncert.gov.vn Virus History ... Virus: Attach phase www.vncert.gov.vn Why People Create Computer Viruses www.vncert.gov.vn How does a computer get infected by viruses www.vncert.gov.vn Virus Hoaxes www.vncert.gov.vn Indications ... does a Virus Infect www.vncert.gov.vn Virus Hoaxes www.vncert.gov.vn System Sector Viruses www.vncert.gov.vn Macro Viruses www.vncert.gov.vn Stealth Virus www.vncert.gov.vn Bootable CD-ROM Virus...
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Detection of bacteria and enteric viruses from river and estuarine sediment
... (St.F) Table Primer and probe sequences for detection of enteroviruses, human adenoviruses, Bacteroides spp and Cryptosporidium spp Microbes Enteroviruses (Poliovirus) Human adenoviruses Bacteroides ... river and estuarine sediment, and that the sediments may protect the bacteria from rapid decay as suggested by Gerba and McLeod (1976) and Anderson et al (2005) On the contrary, human adenoviruses ... 31 % by Wait and Sobsey (1983), and 18 ± 20 (% ± SD) by Lewis et al (1985), although there are differences in viruses, sediment, extraction and detection methods The relatively high and stable...
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Viruses STRUCTURE, CLASSIFICATION AND PHYSIOLOGY OF VIRUSES
... things (herpes and HIV in humans, for example) Viruses are found everywhere Viruses consist of a core of nucleic acid, either DNA or RNA, and a protective coat of protein molecules and sometimes ... Viruses The Boundary of Life At the boundary of life, between the macromolecules (which are not alive) and the prokaryotic cells (which are), lie the viruses and bacteriophages ... Bacteriophages attack bacteria (prokaryotes) viruses attack eukaryotic cells Viruses and bacteriophages invade cells and use the host cell's machinery to synthesize more of their own macromolecules...
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Báo cáo y học: "Low pH gel intranasal sprays inactivate influenza viruses in vitro and protect ferrets against influenza infection" doc
... inactivate influenza virus Some respiratory viruses are known to be sensitive to low pH [5,6] Rhinoviruses, in particular, are inactivated by acidic conditions, and this is thought to be due to conformational ... review of alternatives was conducted, in line with Procter and Gamble policy of humane treatment and commitment to refinement, reduction and replacement of animal models In this case there were ... infection by these routes are not known Hand transmission is believed to play an important role in influenza infection [20], and since the point of entry for the hand route is self-inoculation of the...
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Understanding the adaptive immune responses against newly emerged viruses, SARS coronavirus and avian h5n1 influenza a virus 1
... Engineering and Biotechnology, India and Dr Q Duong Hong, Institute of Biotechnology, Hanoi, Vietnam, and Falko G Falkner, Baxter Bioscience, Austria for providing H5N1 virus-derived DNA constructs and ... Alexander N Zakhartchouk, University of Saskatchewan, Canada for providing the human adenovirus vector and Mia Brytting, Swedish Institute for Infectious Disease Control and Mikael Berg and Siamak ... lab members from the Singapore Institute of Clinical Sciences for all the help and guidance and Dr Leong Hoe Nam and Dr Ling Khoon Lin from the Singapore General Hospital for kindly providing...
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Understanding the adaptive immune responses against newly emerged viruses, SARS coronavirus and avian h5n1 influenza a virus 2
... MATERIALS AND METHODS 2.1 Antibodies and synthetic peptides 44 2.2 Viruses 45 2.3 Mice and immunization 46 2.4 Subjects 46 2.5 Enzyme-linked immunoabsorbent assay (ELISA) 47 2.6 Isolation and culture ... structural nucleocapsid (NP) and accessory 3a protein in SARSrecovered patients 67 3.2.1 CD4+ and CD8+ T cell response in SARS individuals 71 3.3 Cytokine profile of CD4+ and CD8+ T cell response ... Binding to internal deletion and substitution mutants 6.2 120 Mechanism of inhibition 6.2.1 Virus binding and Hemagglutinin inhibition (HI) assay 6.2.2 Post-attachment and Proteolysis susceptibility...
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Understanding the adaptive immune responses against newly emerged viruses, SARS coronavirus and avian h5n1 influenza a virus 3
... Coronavirus and cause respiratory and enteric diseases in humans and other animals Three serologically distinct groups of coronaviruses have been identified Group I and II contain mammalian viruses, ... M and N, and the set of accessory proteins (namely ORF 3a, 3b, 6, 7a, 7b, 8a, 8b and 9b) The surface S protein is involved in the attachment and entry of the host cell The N together with M and ... the HA and neuraminidase (NA) surface glycoproteins, influenza A viruses currently form 16 HA (H1-H16) and NA (N1-N9) subtypes Over the past century, the only viruses that had infected and circulated...
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Báo cáo khoa học: " Serosurveillance for Japanese encephalitis, Akabane, and Aino viruses for Thoroughbred horses in Korea" docx
... Australia, Japan, New Zealand, India and Ireland Most of the racehorses are vaccinated once a year against Streptococcus equi, JEV and equine influenza virus None of the horses used in this study ... to determine the prevalence of antibodies against JEV, AKAV, and AINV in Thoroughbred horses in Korea Materials and Methods Viruses and cells The strain of JEV used as an antigen for the hemagglutination ... thoroughbred racehorses in several provinces of Korea, between October 2005 and March 2007 The species of racehorse tested in this study was Thoroughbred, and about 70% of the racehorses were produced...
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Viruses and Email Attachments
... infection to almost nothing Remember to check for security updates regularly at Windows Update and Office Update (office.microsoft.com) [ Team LiB ] ...
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Tìm hiểu về an ninh mạng và kỹ thuật tấn công trojan and backdoor
... PHÂN LOẠI TROJAN 15 2.7.1 Command shell Trojan 15 2.7.2 Email Trojans 16 5.7.3 Botnet Trojans 16 5.7.4 Proxy sever Trojans 17 5.7.5 FTP Trojans 17 5.7.6 VNC Trojans 18 5.7.7 HTTP/HTTPS Trojans ... Trojans 18 5.7.8 Remote Access Trojan 18 5.7.9 E-banking Trojans 18 5.7.10 Trojans phá hoại 19 5.7.11 Trojans mã hóa 19 5.8 DÒ TÌM TROJAN 19 5.9 BIỆN PHÁP ĐỐI PHÓ VỚI TROJAN AND BACKDOOR 19 An ninh ... dụng Trojan phổ biến 13 Hình 2.4 Lệnh Netstat –an CMD 14 Hình 2.5 Trojan triển khai 14 Hình 2.6 Phân loại Trojan 15 Hình 2.7 Command shell Trojan 16 Hình 2.8 Email Trojans 16 Hình 2.9 Botnet Trojans...
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Đồ án tìm hiểu về an ninh mạng và kỹ thuật tấn công trojan and backdoor
... CÔNG TROJANS AND BACKDOORS 11 2.1 GIỚI THIỆU TROJAN VÀ BACKDOORS 11 2.2 MỤC ĐÍCH CỦA TROJAN .12 2.3 NHẬN BIẾT MỘT CUỘC TẤN CÔNG BẰNG TROJAN .13 2.4 CÁC PORT SỬ DỤNG BỞI CÁC TROJAN ... 2.5 TROJAN ĐƯỢC TRIỂN KHAI NHƯ THẾ NÀO .15 2.6 SỰ LÂY NHIỄM CỦA TROJAN VÀO HỆ THỐNG CỦA NẠN NHÂN .15 2.7 PHÂN LOẠI TROJAN .16 2.7.1 Command shell Trojan 16 2.7.2 Email Trojans ... Botnet Trojans 17 5.7.4 Proxy sever Trojans .17 5.7.5 FTP Trojans 18 5.7.6 VNC Trojans 18 5.7.7 HTTP/HTTPS Trojans 19 5.7.8 Remote Access Trojan...
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Tài liệu Viruses Worms doc
... are classified as Worms Multipartite Viruses • Viruses that use more than one infection mechanism – File and Boot viruses • Becoming more popular with virus writers Macro Viruses • Infect programming ... Classifications: • • • • • • Boot Sector infectors File infectors Multipartite viruses Macro viruses Scripting viruses Other Boot Sector infectors • Used to be really popular, but with less people ... sprang up again in March of 1995 In mid-April, a new version of the hoax that ment Worms • Worms are a subset of viruses • The differ in the the method of attachment; rather than attaching to a...
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Tài liệu Báo cáo khóa học: Mutations in the hydrophobic core and in the protein–RNA interface affect the packing and stability of icosahedral viruses doc
... against pressure and urea of the MS2 bacteriophage and three temperature sensitive (ts) mutants (Fig 1B) Urea and hydrostatic pressure are utilized to promote capsid dissociation and denaturation, ... form (Figs and 3B,C) and denatured at rather lower urea concentrations (midpoints at % M for the mutants vs % 4.5 M for the WT form) The dissociation and denaturation processes for T45S and M88V ... mM Tris/150 mM NaCl (pH 7.5) Fluorescence data points are the average and standard deviation of three experiments (A and B) and light scattering curves are representative of three measurements...
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