An executable was written and executed by a web server

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2026-02-02
Category
Analytics Alert Reference
Index by
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

2 Hours

Deduplication Period

1 Day

Required Data

  • Requires:
    • XDR Agent with eXtended Threat Hunting (XTH)

Detection Modules

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.