New Rule : PowerShell Console History File Access - proc_creation #5253
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Apr 16, 2025
rules/windows/file/file_access/file_access_win_powershell_console_history_file_access.yml
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rules/windows/process_creation/proc_creation_win_powershell_console_history_file_access.yml
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Summary of the Pull Request
Add a new rule concerning access to the PowerShell console history file.
A red team has been seen using this technique with the following command
cmd.exe /q /c powershell.exe "type C:\Users\*\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\ConsoleHost_history.txt" > output_filein order to try to retrieve plaintext passwords that may have been used in PowerShell commands.Changelog
new: Possible PowerShell Console History File Access Attempt - proc_creation
Example Log Event
Fixed Issues
SigmaHQ Rule Creation Conventions