Privilege Escalation (TA0004)(external, opens in a new tab or window)
text code block:event.category:process and host.os.type:windows and powershell.file.script_block_text:( "Invoke-TokenManipulation" or "ImpersonateNamedPipeClient" or "NtImpersonateThread" or ( "STARTUPINFOEX" and "UpdateProcThreadAttribute" ) or ( "AdjustTokenPrivileges" and "SeDebugPrivilege" ) or ( ("DuplicateToken" or "DuplicateTokenEx") and ("SetThreadToken" or "ImpersonateLoggedOnUser" or "CreateProcessWithTokenW" or "CreatePRocessAsUserW" or "CreateProcessAsUserA") ) ) and not ( user.id:("S-1-5-18" or "S-1-5-19" or "S-1-5-20") and file.directory: "C:\\ProgramData\\Microsoft\\Windows Defender Advanced Threat Protection\\Downloads" ) and not powershell.file.script_block_text : ( "sentinelbreakpoints" and "Set-PSBreakpoint" and "PowerSploitIndicators" ) and not ( powershell.file.script_block_text : "New-HPPrivateToastNotificationLogo" and file.path : "C:\Program Files\HPConnect\hp-cmsl-wl\modules\HP.Notifications\HP.Notifications.psm1" )
Install detection rules in Elastic Security
Detect PowerShell Script with Token Impersonation Capabilities in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).