title: Powershell Keylogging
ruletype: Sigma
author: frack113
date: 2021/07/30
description: Adversaries may log user keystrokes to intercept credentials as the user
  types them.
detection:
  SELECTION_1:
    ScriptBlockText: '*Get-Keystrokes*'
  SELECTION_2:
    ScriptBlockText: '*Get-ProcAddress user32.dll GetAsyncKeyState*'
  SELECTION_3:
    ScriptBlockText: '*Get-ProcAddress user32.dll GetForegroundWindow*'
  condition: (SELECTION_1 or (SELECTION_2 and SELECTION_3))
falsepositives:
- Unknown
id: 34f90d3c-c297-49e9-b26d-911b05a4866c
level: medium
logsource:
  category: ps_script
  definition: EnableScriptBlockLogging must be set to enable
  product: windows
modified: 2021/10/16
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1218/T1218.md
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1056.001/src/Get-Keystrokes.ps1
status: experimental
tags:
- attack.collection
- attack.t1056.001