inpoutx64.sys
Kernel level port access driver file version info
Driver on Windows LOLDrivers vulnerable driver 1 Sigma rule names it
A known vulnerable driver
T1068Exploitation for Privilege Escalation
3 known samples
1.2 x64 built by: WinDDK · its entry
2d83ccb1ad9839c9f5b3f10b1f856177df1594c66cbbc7661677d4b462ebf44d1.2 x64 built by: WinDDK · its entry
f581decc2888ef27ee1ea85ea23bbb5fb2fe6a554266ff5a1476acd1d29d53af1.2 x64 built by: WinDDK · its entry
f8965fdce668692c3785afa3559159f9a18287bc0d53abb21902895a8ecf221bFrom LOLDrivers (Apache 2.0). A driver is known by its hash: a sample under another name is the same driver. In Ceplin, "<sha256>".whatis() says which sample a hash is.
Is it the real inpoutx64.sys?
Productinpoutx64 Driver Version 1.2, Highresolution Enterprises [www.highrez.co.uk]
DescriptionKernel level port access driver
From the file’s version info, as recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look.
What detects it
Sigma names inpoutx64.sys in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.