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An executable was written and executed by a web server

Synopsis

Field
Value

Activation Period

14 Days

Training Period

30 Days

Test Period

2 Hours

Deduplication Period

1 Day

Required Data

XDR Agent with eXtended Threat Hunting (XTH)

Detector Tags

Webshell Analytics

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Server Software Component: Web Shell (T1505.003)

Severity

Low

Description

Web server process had written an executable file that was executed shortly after.

Attacker's Goals

Gaining the ability to execute commands on the host, as well as persistence.

Investigative actions

  • Investigate the web server access logs for suspicious behavior.

  • Check if the dropped file contains malicious content.

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