Further penetration into the victim’s network, in particular onto devices that are inaccessible from the internet but accessible from the infected server.Building botnets and carrying out DDoS attacks.Once launched, the shell works like a backdoor: it provides the attackers with access to the server’s file system and databases, and allows them to sniff traffic and execute commands remotely.Ĭybercriminals use web shells for various purposes, including the following: Typically, attackers deliver a web shell to the target server through vulnerabilities in the server itself, or in the sites or web applications linked to it. How and why cybercriminals use web shells These are usually common languages, such as PHP.
One of the best-known and widely used web shells is China Chopper.Ī web shell can be written in any of the programming languages that the target server supports. A web shell can be used for legitimate tasks, but is most often deployed in cyberattacks.
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KasperskyPremium Support and Professional ServicesĪ web shell is a command shell (a program or script for controlling a device through commands) that allows remote control of a web server.KasperskyEndpoint Security for Business Advanced.KasperskyEndpoint Security for Business Select.
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– The articles in the Vulnerabilities and Hackers section is devoted to the topic of software vulnerabilities and how cybercriminals exploit them, as well as legislation and hackers in the broad sense of the word. – In the Spam and Phishing section, you will learn about phishing and spam mailings, how their creators earn money from them, and how this type of threat has evolved since the 1990s to the present day. – The Detectable Objects section gives detailed information about malicious and potentially dangerous programs that we protect users against every single day all around the world, as well as advice on what to do in case of infection. The Knowledge Base now has three main sections: In the Knowledge Base, you will find various articles about common threats, a general classification of malware and unwanted messages, and a brief historical overview of the evolution of these and many other threats.
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