Security Testing 简明教程
Security Testing - Malicious Software
Malicious software (malware) is any software that gives partial to full control of the system to the attacker/malware creator.
Malwares
Various forms of malware are listed below −
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Virus − A virus is a program that creates copies of itself and inserts these copies into other computer programs, data files, or into the boot sector of the hard-disk. Upon successful replication, viruses cause harmful activity on infected hosts such as stealing hard-disk space or CPU time.
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Worm − A worm is a type of malware which leaves a copy of itself in the memory of each computer in its path.
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Trojan − Trojan is a non-self-replicating type of malware that contains malicious code, which upon execution results in loss or theft of data or possible system harm.
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Adware − Adware, also known as freeware or pitchware, is a free computer software that contains commercial advertisements of games, desktop toolbars, and utilities. It is a web-based application and it collects web browser data to target advertisements, especially pop-ups.
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Spyware - 间谍软件是一种入侵软件，它匿名监视用户，使用户的计算机面临敏感信息泄露的风险。间谍软件利用用户和应用程序漏洞，通常会附着在免费在线软件下载或用户点击的链接上。
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Rootkit - rootkit 是黑客用来获取计算机/网络管理员级别访问权限的软件，通常通过安装窃取的密码或利用系统漏洞来实现，而且受害者并不知情。