Suspicious AMSI decode attempt

Cortex XDR Analytics Alert Reference by data source

Product
Cortex XDR
Last date published
2024-12-03
Category
Analytics Alert Reference
Order
data source

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Minute

Required Data

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

Detection Modules

Detector Tags

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Deobfuscate/Decode Files or Information (T1140)

Severity

Informational

Description

A script has executed commands that can be used to decode commands or files.

Attacker's Goals

Avoid security mitigations and detections.

Investigative actions

Check the payload for malicious activity.