What is Advapi logon process?
What is Advapi logon process?
The logon process is marked as “advapi”, which means that the logon was a Web-based logon through the IIS web server and the advapi process. If you are not hosting IIS websites, this might mean that the computer is infected.
Which of the following SID is identified as null SID?
S-1-0-0
S-1-0-0 (Null SID): Assigned when the SID value is unknown, or for a group without any members. S-1-1-0 (World): This is a group of every user.
What is Advapi?
It stands for Advanced Windows 32 Base API as it can be read on clicking with secondary (right) pointing device (mouse) button on file %SystemRoot%\System32\advapi32.
Is Ntlmssp secure?
Is NTLM secure? NTLM is generally considered insecure because it uses outdated cryptography that is vulnerable to several modes of attacks. NTLM is also vulnerable to the pass-the-hash attack and brute-force attacks.
Why does my RDSH logon attempt report a null Sid?
When either set of credentials is used, the logon attempt registered in the Windows Security Even Log as a denied attempt with Event ID 4625 reporting a NULL SID. Troubleshooting: The RDSH has already been disjoined and rejoined to the domain.
What does the event ID 4625 mean in the logon screen?
Event ID: 4625. “An account failed to log on”. Logon Type: 3. “Network (i.e. connection to shared folder on this computer from elsewhere on network)”. Security ID: NULL SID. “A valid account was not identified”. Sub Status: 0xC0000064.
What happens when I change the SID on my account?
The new SID does not match the old one; so none of the user’s access from her old account is transferred to the new account. Her two accounts represent two completely different security principals.
What is the identifier authority value in the SID for Windows Server?
The identifier authority value in the SID for a specific Windows Server account or group is 5 (NT Authority). >Holds the most important information in a SID, which is contained in a series of one or more subauthority values.
