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What is Web Shell?

A web shell is a malicious script that allows an attacker to execute commands on a web server. It's often uploaded through a vulnerability like file upload or command injection and provides persistent remote access.

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Related terms

Command InjectionRemote File Inclusion (RFI)Application-Layer AttackJavaScript Obfuscation
Web Server Logs WebSockets Security

Connections

Related reading

  • SAP NetWeaver Under Attack Critical Flaw Lets Hackers Plant Web ShellsNews · Apr 25, 2025

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