Rare Unix process divided files by size

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 Hour

Required Data

  • Requires:
    • XDR Agent

Detection Modules

ATT&CK Tactic

Exfiltration (TA0010)

ATT&CK Technique

Data Transfer Size Limits (T1030)

Severity

Informational

Description

A file was divided into sub-files by size limit by a rare process.

Attacker's Goals

This may assist an attacker to exfiltrate sensitive information.

Investigative actions

  • Check if the user normally uses this capability.
  • Check if this capability is used often on this endpoint.