Sudoedit Brute force attempt

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

1 Hour

Deduplication Period

1 Day

Required Data

  • Requires:
    • XDR Agent

Detection Modules

ATT&CK Tactic

Privilege Escalation (TA0004)

ATT&CK Technique

Exploitation for Privilege Escalation (T1068)

Severity

Medium

Description

An unusual amount of sudoedit commands executed in a short period of time.
This may indicate an attempt to exploit CVE-2021-3156.

Attacker's Goals

The attacker may gain higher privileges via exploitation of sudoedit.

Investigative actions

  • Verify that the current version of sudo in not vulnerable to CVE-2021-3156.