The switch to "pwsh.exe" happened at some point pretty early in development, but PSCore had been around for a while already. PS C:\Program Files\PowerShell\6> $()Īlso beware of older PowerShell Core versions with the executable name "powershell.exe" (confusingly the same as Windows PowerShell). PS C:\Program Files\PowerShell\6> ls pwsh.* PS C:\> cd (Split-Path -Parent (Get-Command -Name pwsh).Path) Just click or tap on the field, then enter powershell. For HackTheBox, you may find some part of an intended path, or you may find some history from the box’s creator who didn’t think or know to clear history.To find where the PowerShell Core executable is, if it's installed, you can, if it's in $Env:Path, use the command: In Windows 10, its even simpler, since by default, you have a search field in the taskbar. Most of the things an attacker does in PowerShell, unless they get RDP access, are not going to be recorded. For a blue teamer, this could be useful if you are very lucky, but you’re much better off enabling script-block logging for PowerShell. For the forensic analyst, having a history of a subject’s actions can be invaluable, and having it in a file is gold. Usefulnessįor the red-teamer, this is a really interesting way to get information about the commands the user has been running, and files they interact with, and maybe even passwords. So if I manage to get remote code execution on a host and have it run a Nishang Reverse Shell or Meterpreter, nothing done there is recorded in the file. Edit the PATH environment variable and add the path to the folder where PowerShell is located. Click on 'Environment Variables' at the bottom. \ConsoleHost_history.txt cd $env:APPDATA\Microsoft\Windows\PowerShell\PSReadLine\ Search for 'environment variables' in the Windows search bar and open the respective Control Panel item. PS C:\Users\sansforensics408\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine> type. PS C:\> cd $ env : APPDATA \Microsoft\Windows\PowerShell\PSReadLine\ PS C:\Users\sansforensics408\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine> lsĭirectory: C:\Users\sansforensics408\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine What the History File RecordsĮverything I type into a PowerShell window. You can modify the options with the Set-PSReadlineOption commandlet. MaximumHistor圜ount - The max number of entries to record. HistorySaveStyle - Options are SaveIncrementally, which saves after each command SaveAtExit, which appends on exiting PowerShell, or SaveNothing, which turns off the history file.You can get the location by running Get-PSReadlineOption and looking at the options. The default location for this file is $env:APPDATA\Microsoft\Windows\PowerShell\PSReadLine\ConsoleHost_history.txt. This setting gives the user the ability to start a new session with the history from the previous session. Starting in PowerShell v5 on Windows 10, the default option is to save history to a file. It can save this in memory, or to a file. To do this, it records what is typed into the console. It is responsible for, among other things, letting us hit up arrow to see previous commands from a PowerShell window. A full list of the features are available on its GitHub page. The PSReadline module started as a stand-alone module, but became the default command line editing experience starting in PowerShell v3. But did you know that the PowerShell equivalent is enabled by default starting in PowerShell v5 on Windows 10? This means this file will become more present over time as systems upgrade. I came across a situation where I discovered a user’s PSReadline ConsoleHost_history.txt file, and it ended up giving me the information I needed at the time.
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