Web shell attacks becoming increasingly popular among cybercriminals

The volume of web shell attacks worldwide is on an upwards trend and gathered significant pace in 2020. This is according to a new report from Microsoft, based on data drawn down from its Microsoft 365 Defender antivirus suite.

“A web shell is typically a small piece of malicious code written in typical web development programming languages (e.g., ASP, PHP, JSP) that attackers implant on web servers to provide remote access and code execution to server functions,” the company explains.

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