CmdID

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NisSrv.exe

Microsoft Network Realtime Inspection Service file version info

Program on Windows 9 known copies with hashes 3 Sigma rules name it

Opens CmdID with your command. It is read in your browser and sent nowhere.

Is it the real NisSrv.exe?

file version info and known copies
Installed inC:\Program Files\Windows Defender\
C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2001.10-0\
C:\ProgramData\Microsoft\Windows Defender\platform\4.18.2003.8-0\
Signed byMicrosoft Windows Publisher
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionMicrosoft Network Realtime Inspection Service

9 known copies

4.18.2009.7 (WinBuild.160101.0800) · C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2009.7-0\NisSrv.exe · signed by Microsoft Windows Publisher

5b33bb9040f40e2d5022e37f725471f39f14dd4a63ee945537bc0b899b583ce5

4.18.2008.9 (WinBuild.160101.0800) · C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2008.9-0\NisSrv.exe · signed by Microsoft Windows Publisher

7771f332ffb71b2c9668de3c5aa14617e26d00a21c931deb2dce0776ca3ee02a

4.18.2007.8 (WinBuild.160101.0800) · C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2007.8-0\NisSrv.exe · signed by Microsoft Windows Publisher

3ab68ddd04335ed4f5a69ec3adb56cc80e2f2ab849394c07a21d66bdcbd67ff5

4.18.2006.10 (WinBuild.160101.0800) · C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2006.10-0\NisSrv.exe · signed by Microsoft Windows Publisher

2c46ef7000a25019beb431dc24dceb95eb0d7e76927f5efdcaff6eaf65e47e0d

4.18.2005.5 (WinBuild.160101.0800) · C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2005.5-0\NisSrv.exe · signed by Microsoft Windows Publisher

e64cdb010582a84a9a62be84fc0a103ae3d5463474fa82735c69e052a5816a84

4.18.2004.6 (WinBuild.160101.0800) · C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2004.6-0\NisSrv.exe · signed by Microsoft Windows Publisher

c0327f8a52a181d3efdb773d045e460e09d1ce32ef41f5b49e726a8151037d25

4.18.2003.8 (WinBuild.160101.0800) · C:\ProgramData\Microsoft\Windows Defender\platform\4.18.2003.8-0\NisSrv.exe · signed by Microsoft Windows Publisher

80b5d7927e0983c81ae45b41883e4a3ce4af78ab676f4443007c5818b19b2e64

4.18.2001.10 (WinBuild.160101.0800) · C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.2001.10-0\NisSrv.exe · signed by Microsoft Windows Publisher

a9c1546530183f9af38f38adaa531df514e1e35eb62fc289d7f7af27551d1979

4.18.1807.16384 (WinBuild.160101.0800) · C:\Program Files\Windows Defender\NisSrv.exe · signed by Microsoft Windows

1fe1f4b5a65aedbbd3676959e5b10d744faba59727f6f58dc141b5211f1f6974

From the file’s version info and the copies 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. In Ceplin, "<sha256>".whatis() says which known copy a hash is.

What detects it

Sigma process creation rules that name NisSrv.exe
highPotential Mpclient.DLL Sideloading Via Defender BinariesBhabesh Raj

Sigma names NisSrv.exe in 3 rules in all, for every kind of event; this is the process creation rule CmdID evaluates.