Suspicious systemd timer activity

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-18
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Day

Required Data

  • Requires:
    • XDR Agent

Detection Modules

ATT&CK Tactic

ATT&CK Technique

Scheduled Task/Job: Systemd Timers (T1053.006)

Severity

Low

Description

Suspicious systemd timer activity, which may indicate an attempt to establish persistence.

Attacker's Goals

An adversary may use systemd timers to execute malicious code at system startup or on a scheduled basis for persistence.

Investigative actions

Check the systemd timer file change and try to understand the impact of the systemd timers change.