Possible Screen Capture with Import Utility (via auditd)
This rule detects adversary creating screen capture of a desktop with Import Tool. Highly recommended using rule on servers, due to high use of screenshot utilities on user workstations. ImageMagick must be installed.
SigmalowLinuxv1
sigma
possible-screen-capture-with-import-utility-via-auditd
title: Possible Screen Capture with Import Utility (via auditd)
id: 1d2f0835-743f-54cc-8622-7795382f68d7
status: stable
description: This rule detects adversary creating screen capture of a desktop with Import Tool. Highly recommended using rule on servers, due to high use of screenshot utilities on user workstations. ImageMagick must be installed.
references:
- https://attack.mitre.org/techniques/T1113/
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1113/T1113.md
- https://linux.die.net/man/1/import
- https://imagemagick.org/
author: 'Huntrule Team'
date: 2026-04-26
tags:
- attack.collection
- attack.t1113
logsource:
product: linux
service: auditd
detection:
import:
type: EXECVE
a0: import
import_window_root:
a1: '-window'
a2: 'root'
a3|endswith:
- '.png'
- '.jpg'
- '.jpeg'
import_no_window_root:
a1|endswith:
- '.png'
- '.jpg'
- '.jpeg'
condition: import and (import_window_root or import_no_window_root)
falsepositives:
- Unknown
level: low
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.