To carry on the infection, must leave the trace. Biomedical viruses are the same, so are computer viruses. Detection of computer viruses, it is necessary to go to the site of the virus to check, find abnormal situation, and then identify "in",
>
Excerpt from: ClamAV virus scanner for Http://www.shangshuwu.cn/index.php/Linux security system
ClamAV is a typical anti-virus software with extensive and GPL-license open source code that supports a wide range of platforms, such as Windows,
Diagnostic principle of comparative method:The comparison method is used to compare the original or normal file with the file being detected.Including length, content, memory, interrupt and other comparison methods.Diagnostic principle of checksum
One, beware the Linux virus
At the beginning of Linux, because of its original excellent design, seems to have innate virus immunity, so many people believe that there will be no virus for Linux to appear, but Linux is finally no exception. In the
Description: This guide will show you how to use Qmail/vpopmail/courier-imap/qmail-scanner/igenus to build a messaging system.
1. Foreword
This part of the text is translated from Gentoo forums. You can access the above address to view the
Document directory
How to Write a simple virus program
How to Write a simple virus program
Author: QQ: 273764089Author's mailbox: [email] 273764089@qq.com [/Email]Author blog: http://hqsoft.blogdriver.comReprinted please indicate the source: http:
Boot SectorBoth hard drive, soft drive, and logical drive (After partitioning) have information about the boot sector. See Partition Table, Master Boot Record, and multi-partite virus. Boot Sector or MBR Virus A virus that can affect a fixed boot
Currently, this technology actually hides many xuanjicang, including many technologies. Without special study, it cannot reach the realm of "Ox. Now I have written this article
Article The introduction is quite practical and can reduce your detours
Search method
This method primarily scans for specific strings that each virus contains, and if a particular byte string is found inside a detected object, it indicates that the virus represented by that byte string is found. The virus scanning
Boot sector
The hard drive, the floppy drive, and the logical drive (after partitioning) all have boot sector information stored. Refer to Partition table, Master Boot record, and Multi-partite virus.
Boot sector or MBR virus
A virus that can
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.