Masquerading as the Linux crond process

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

N/A (single event)

Deduplication Period

1 Day

Required Data

  • Requires:
    • XDR Agent

Detection Modules

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Masquerading: Masquerade Task or Service (T1036.004)

Severity

Low

Description

Copies a file and renames it as crond.

Attacker's Goals

Attackers may masquerade as the crond executable.

Investigative actions

  • Verify that this isn't IT activity.
  • Look for other hosts executing similar commands.

Variations

Masquerading as the Linux crond process from a Kubernetes pod

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Masquerading: Masquerade Task or Service (T1036.004)

Severity

Low

Description

Copies a file and renames it as crond.

Attacker's Goals

Attackers may masquerade as the crond executable.

Investigative actions

  • Verify that this isn't IT activity.
  • Look for other hosts executing similar commands.