seclogon.dll
Secondary Logon Service DLL file version info
Library on Windows 1 known copy with hashes 1 Sigma rule names it
Is it the real seclogon.dll?
Original name
SECLOGON.EXE in the file’s header: a renamed copy still carries itInstalled in
C:\Windows\system32\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionSecondary Logon Service DLL
1 known copy
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\seclogon.dll · signed by Microsoft Windows
39a114eb591e243e0429da7279413f046626de7b52e057ddbcd26a0a1bf327fbFrom 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 names seclogon.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.