IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
PowerShell Keylogging Script
editPowerShell Keylogging Script
editDetects the use of Win32 API Functions that can be used to capture user Keystrokes in PowerShell Scripts. Attackers use this technique to capture user input, looking for credentials and/or other valuable data.
Rule type: query
Rule indices:
- winlogbeat-*
- logs-windows.*
Severity: high
Risk score: 73
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Collection
Version: 1
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editevent.category:process and ( powershell.file.script_block_text : (GetAsyncKeyState or NtUserGetAsyncKeyState or GetKeyboardState or Get-Keystrokes) or powershell.file.script_block_text : ((SetWindowsHookA or SetWindowsHookW or SetWindowsHookEx or SetWindowsHookExA or NtUserSetWindowsHookEx) and (GetForegroundWindow or GetWindowTextA or GetWindowTextW or WM_KEYBOARD_LL)) )
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Collection
- ID: TA0009
- Reference URL: https://attack.mitre.org/tactics/TA0009/
-
Technique:
- Name: Input Capture
- ID: T1056
- Reference URL: https://attack.mitre.org/techniques/T1056/
-
Sub-technique:
- Name: Keylogging
- ID: T1056.001
- Reference URL: https://attack.mitre.org/techniques/T1056/001/
-
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/
-
Sub-technique:
- Name: PowerShell
- ID: T1059.001
- Reference URL: https://attack.mitre.org/techniques/T1059/001/