top ten virus

Virus program source code instance analysis-example code of CIH virus [2] can be referred to below Virus program source code instance analysis-CIH virus [2] OriginalAppEXE SEGMENT　　; PE format executable file headerFileHeader:Db 04dh, 05ah, 090 h, 000 h, 003 h, 000 h, 000 h, 000 hDb 004 h, 000 h, 000 h, 000 h, 0ffh, 0

virus Program Source code example Anatomy-CIH virus [5] Push ECXLoop $ 　　 ; destroys the ROM data of additional 000e0000-000e007f segments in the BIOS, a total of 80h bytesXOR Ah, ahmov [EAX], AL 　　 Xchg ecx, eaxLoop $ 　　 ; Displays and activates the BIOS 000E0000-000FFFFF segment data, a total of KB, the segment can be written to information mov eax, 0f5555hPop ecxmov ch, 0aahCall EBXmov byte ptr [eax], 2

At present, the mainstream computers are using 64-bit CPU, the operating system gradually from 32 to 64, most of the new factory PC installed 64-bit Windows 7. When people think that 16-bit programs (mostly DOS programs) will disappear, the virus breaks the peace. October 25, Jinshan poison PA Safety Center monitoring found a 16-bit DOS virus resurrection, easy to cross the mainstream anti-

With unlimited broadband popularity, in order to facilitate BT download, many friends love 24-hour hanging machine. All-weather online, which gives some viruses, trojans "intrusion" system has brought great convenience, they can invade our computer in the middle of the night, wanton abuse. Recently, the author in helping a friend antivirus, encountered a "cannot remove virus", the following will be killing experience with everyone to share. 1.

Today, users are reminded to pay special attention to the following viruses: "Kiss of Death" Variant AA (WORM.DEATH.AA) and "Song of Sadness" Variant A (WIN32.TONE.A). The "Kiss of Death" Variant AA (WORM.DEATH.AA) is an infected virus that infects files on a computer. "Song of Sadness" Variant A (WIN32.TONE.A) is an infected virus that uses infected files to download other viruses. The "Kiss of Death" V

First, prefaceSince the development of malicious programs, its function has been from the original simple destruction, and constantly develop into privacy snooping, information theft, and even now very popular "rip-off" virus, for extortion. As the development of the Times, the authors of the virus often want to use their own technology to obtain ill-gotten gains, becoming more and more utilitarian . And th

Comments: The method of using anti-virus is to use general operations, such as anti-virus software, open the process manager to close unfamiliar processes, and so on. Today, I want to learn about the magical anti-virus Method for my friends, that is, notepad anti-virus. Do not miss out on interested friends. When a co

Virus attackTime limit:2000/1000 MS (java/others) Memory limit:32768/32768 K (java/others)Total submission (s): 20728 Accepted Submission (s): 5058Problem description When the sun's glow is gradually obscured by the moon, the world loses its light, the Earth ushered in the darkest moment .... At such times, people are very excited-we can live to see 500 years of the world's wonders, that is how happy things ah ~ ~But there are always some websites on

Recently, Sunway Mutant virus rampant, many people were forced to format all the partitions, painstakingly saved data destroyed.The characteristics of this virus is: slow response to the system, playing online games will automatically quit, the hard drive EXE file icon will be changed to "Flower", to Dos with Ghost recovery system failure, if not the overall format, reload system can not solve the problem.T

Mobile viruses are now mimicking the common destructive practices of computer viruses, such as: "The Machine", "Terminate the Application", "derivative variant family", "Wireless Intrusion", "camouflage free software" even "steal the information", the virus invades the handset may cause the file, the telephone book, the message, the photograph as well as the telephone itself operation function to lose. Overall, although mobile phone

"Mail Virus" is actually the same as ordinary computer viruses, only because they are transmitted mainly through e-mail, it is called "Mail Virus", because they generally through the mail "attachment" entrainment method to spread, due to ordinary daily work in the use of e-mail frequently, Therefore, the prevention of mail viruses is very important. To deal with the mail

Virus always gives us a headache. Generally, we take measures such as installing anti-virus software and patching the system to prevent computer viruses. In Windows XP, setting Software Restriction Policies can also prevent viruses. A Software Restriction policy is an integral part of a local security policy. This policy allows administrators to identify a specified file or a certain type of file by setting

Php webpage virus cleanup class, php webpage virus cleanup. Php webpage virus cleanup class. php webpage virus cleanup example in this article describes php webpage virus cleanup class. Share it with you for your reference. The specifics are as follows: I believe that many p

I believe anyone who knows the "snow" virus wants to find its exclusive tool. Recently, many computers in the Organization are infected with this virus. Even if Kaspersky is used for antivirus purposes, Kaspersky cannot be started. The main manifestation of this virus is that if the system has anti-virus software insta

Jinshan Poison PA 2008 The official introduction of technical information looks very beautiful, the actual face of the virus, and what? Going to get a virus experience. Virus samples are in a forum to get the little ladybird, the virus almost at the same time with panda incense and AV terminator

"A few days ago, the computer panda incense, just the ' national treasure ' away from a few days, today on the Internet to download a gadget, the machine began to slow down, there are several program icon into ' handsome ' head, eyes more prominent like the appearance of the light bulb, estimated again in the virus, really depressed! The user, Mr. Chen reluctantly said. Jinshan Poison Bully Anti-Virus expe

Text virus (new virus theory) In the past, when talking about viruses, we had to distinguish between text and executable files. In theory, viruses are program code, so only executable files can be infected, images and other data files cannot be infected with viruses. However, I think data files can also be infected with viruses. Virus is code, which is correct. H

"Experimental Purpose"1) Learn about macro viruses2) How to learn macro virus"Experimental principle"Macro viruses are malicious programs written in macro language (VBA) that exist in Word-processing documents, spreadsheets, databases and other data files, such as Office data Processing systems, which use the functions of the macro language to replicate and reproduce themselves in other data documents.There are two types of macros: an inline macro tha

virus Program Source code example Anatomy-CIH virus [2] Originalappexe SEGMENT 　　 ; PE format executable file headerFileheader:DB 04dh, 05ah, 090h, 000h, 003h, 000h, 000h, 000hDB 004h, 000h, 000h, 000h, 0ffh, 0ffh, 000h, 000hDB 0b8h, 000h, 000h, 000h, 000h, 000h, 000h, 000hDB 040h, 000h, 000h, 000h, 000h, 000h, 000h, 000hDB 000h, 000h, 000h, 000h, 000h, 000h, 000h, 000hDB 000h, 000h, 000h, 000h, 000h, 000h

First, virus description: Virus transmission through the U disk, run after copying itself to the system directory and release a gray pigeon Trojan. To enhance concealment, the generated virus files have a recycle Bin and an Ann Two kinds of icons for loading programs. Second, the basic situation of the virus: