Windows Screen Capture with CopyFromScreen

testmedium
log source: windows · ps_scriptauthor frack113date 2021-12-28
01

description

What this is, in brief.

Adversaries may attempt to take screen captures of the desktop to gather information over the course of an operation. Screen capturing functionality may be included as a feature of a remote access tool used in post-compromise operations

02

tags

attack.collectionattack.t1113
03

rule source (YAML)

title: Windows Screen Capture with CopyFromScreen
id: d4a11f63-2390-411c-9adf-d791fd152830
status: test
description: |
    Adversaries may attempt to take screen captures of the desktop to gather information over the course of an operation.
    Screen capturing functionality may be included as a feature of a remote access tool used in post-compromise operations
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1113/T1113.md#atomic-test-6---windows-screen-capture-copyfromscreen
author: frack113
date: 2021-12-28
modified: 2022-07-07
tags:
    - attack.collection
    - attack.t1113
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains: '.CopyFromScreen'
    condition: selection
falsepositives:
    - Unknown
level: medium
regression_tests_path: regression_data/rules/windows/powershell/powershell_script/posh_ps_capture_screenshots/info.yml
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.