Powershell Keylogging

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About the rule

Rule Type

Standard

Rule Description

Adversaries may log user keystrokes to intercept credentials as the user types them.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "Get-Keystrokes" OR (SCRIPTEXECUTED contains "Get-ProcAddress user32.dll GetAsyncKeyState" AND SCRIPTEXECUTED contains "Get-ProcAddress user32.dll GetForegroundWindow") select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113