Massive file compression by user

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

3 Hours

Deduplication Period

1 Day

Required Data

  • Requires:
    • XDR Agent with eXtended Threat Hunting (XTH)

Detection Modules

Identity Threat Module

ATT&CK Tactic

Collection (TA0009)

ATT&CK Technique

Severity

Informational

Description

Multiple archive files were created by a user. This might indicate an attempt to stage data before exfiltration.

Attacker's Goals

Stage data on an endpoint in the organization.

Investigative actions

Check for any other suspicious activity related to the host and the user involved in the alert.