Rare Unix process divided files by size

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
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.