Browser Extension Installed

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

N/A (single event)

Deduplication Period

1 Day

Required Data

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

Detection Modules

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Browser Extensions (T1176)

Severity

Informational

Description

Uncommon browser extension installed.

Attacker's Goals

Establish persistent access to victim systems through Chromium-based browser, steal sensitive data such credentials, cookies hijacking and financial 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.

Variations

Uncommon Browser Extension Installed

Synopsis

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Browser Extensions (T1176)

Severity

Low

Description

Uncommon browser extension installed.

Attacker's Goals

Establish persistent access to victim systems through Chromium-based browser, steal sensitive data such credentials, cookies hijacking and financial 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.