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Windows Screen Capture with CopyFromScreen — Sigma Rule

Sigma rule d4a11f63-2390-411c-9adf-d791fd152830. Windows Screen Capture with CopyFromScreen — Sigma Rule. 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

Rule metadata and linked tags

testmediumwindowsps_scriptattack.collectionattack.t1113

Author: frack113. Source status: test; severity: medium. Source dates: 2021-12-28 / 2022-07-07.

{
  "product": "windows",
  "category": "ps_script",
  "definition": "Requirements: Script Block Logging must be enabled"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 3d93ad511172d8adec7fe35fead063d36455998981bc5c782cd3ea65a1b4c2d4

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

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

Original YAML and metadata in JSON

False positives

  • Unknown

Source references

Connected ecosystem references

Exact source-tagged techniques

Telemetry review

Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.

Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.