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high advisory

Unusual Command Execution via Linux Web Server Processes

This brief details how attackers exploit vulnerable web applications or deploy webshells on Linux systems to achieve persistence by executing unusual shell commands from web server processes, potentially leading to payload downloads, reverse shells, or cron-like task implants.

Apache HTTP Server +40 linux-threat persistence web-exploitation webshell command-execution detection-rule elastic-security
1r 4t
medium advisory

Suspicious Command Execution via Linux Web Server

This brief describes how attackers exploit vulnerabilities in web applications to execute suspicious shell commands via web server processes on Linux, enabling persistence, discovery, credential access, and reverse shell establishment, which can lead to full system compromise and data exfiltration.

Apache HTTP Server +45 webserver command-injection web-shell vulnerability-exploitation persistence linux
1r 14t