Uncommon browser extension loaded

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-07-16
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 with eXtended Threat Hunting (XTH)

Detection Modules

Detector Tags

Chromium Extensions Analytics

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Browser Extensions (T1176)

Severity

Low

Description

An uncommon browser extension was loaded by a Chromium-based browser.

Attacker's Goals

  • Gain persistency on a machine and steal sensitive browsing data.

Investigative actions

  • Investigate the extension and how it was loaded.
  • Check if this extension is currently present at the relevant extensions web store by looking up for its extension ID.