What is logon process Ntlmssp?

Logon Type 3 is network logon. NTLMSSP (NT LAN Manager Security Support Provider) is a security support provider that is available on all versions of DCOM. It uses the Microsoft Windows NT LAN Manager (NTLM) protocol for authentication.

What is the event ID for user logon?

ID 4624
Introduction. Event ID 4624 (viewed in Windows Event Viewer) documents every successful attempt at logging on to a local computer. This event is generated on the computer that was accessed, in other words, where the logon session was created.

What is Caller process ID?

Caller Process ID [Type = Pointer]: hexadecimal Process ID of the process that attempted the logon. Process ID (PID) is a number used by the operating system to uniquely identify an active process.

What is Caller Process name?

Caller Process Name: Identifies the program executable that processed the logon. This is one of the trusted logon processes identified by 4611.

What is Ntlmssp used for?

NTLMSSP (NT LAN Manager (NTLM) Security Support Provider) is a binary messaging protocol used by the Microsoft Security Support Provider Interface (SSPI) to facilitate NTLM challenge-response authentication and to negotiate integrity and confidentiality options.

What is go Ntlmssp?

Golang package that provides NTLM/Negotiate authentication over HTTP. Protocol details from https://msdn.microsoft.com/en-us/library/cc236621.aspx Implementation hints from http://davenport.sourceforge.net/ntlm.html. This package only implements authentication, no key exchange or encryption.

What is Avapi?

Advapi is the logon process IIS uses for handling Web logons. Logon type 8 indicates a network logon that uses a clear-text password, which is the case when someone uses basic authentication to log on to IIS.

What is Ntlmssp?

What is logon process name Advapi?

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.

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 NTLM is generally considered insecure because it uses outdated cryptography that is vulnerable to several modes of attacks.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.

When reviewing an event with an event ID of 4624 What is the significance of a Type 2 logon?

Both network and interactive logons are recorded by event ID 4624. The logon type fields shown in the chart below are useful because they help you to identify how the user logged on. Logon type 2 indicates an interactive logon at the console. Type 3 indicates a network logon.

How do I disable Ntlmssp?

You can also disable NTLMv1 through the registry. To do it, create a DWORD parameter with the name LmCompatibilityLevel and the value 0-5 in the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa. Value 5 corresponds to the policy option “Send NTLMv2 response only. Refuse LM NTLM”.