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(opens in a new tab or window).