IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

« PowerShell Suspicious Script with Audio Capture Capabilities Privilege Escalation via Named Pipe Impersonation »

› › ›

PowerShell Suspicious Script with Screenshot Capabilities

edit

IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.

PowerShell Suspicious Script with Screenshot Capabilities

edit

Detects PowerShell Scripts that can take screenshots, which is a common feature in post-exploitation kits and RATs (Remote Access Tools).

Rule type: query

Rule indices:

winlogbeat-*
logs-windows.*

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

https://docs.microsoft.com/en-us/dotnet/api/system.drawing.graphics.copyfromscreen

Tags:

Elastic
Host
Windows
Threat Detection
Collection

Version: 1

Added (Elastic Stack release): 8.0.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule query

edit

event.category:process and powershell.file.script_block_text : (
CopyFromScreen and (System.Drawing.Bitmap or Drawing.Bitmap) )

Threat mapping

edit

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Collection
- ID: TA0009
- Reference URL: https://attack.mitre.org/tactics/TA0009/
Technique:
- Name: Screen Capture
- ID: T1113
- Reference URL: https://attack.mitre.org/techniques/T1113/
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/

« PowerShell Suspicious Script with Audio Capture Capabilities Privilege Escalation via Named Pipe Impersonation »