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.
What is a logon Type 3?
Logon type 3: Network. A user or computer logged on to this computer from the network. The description of this logon type clearly states that the event logged when somebody accesses a computer from the network. Commonly it appears when connecting to shared resources (shared folders, printers etc.).
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 are the 3 types of logs available through the event viewer?
Types of Event Logs They are Information, Warning, Error, Success Audit (Security Log) and Failure Audit (Security Log).
What are the different types of logs?
Types of logs
- Gamma ray logs.
- Spectral gamma ray logs.
- Density logging.
- Neutron porosity logs.
- Pulsed neutron lifetime logs.
- Carbon oxygen logs.
- Geochemical logs.
What is the difference between event 540 and logon type 8?
Event 540 gets logged when a user elsewhere on the network connects to a resource (e.g. shared folder) provided by the Server service on this computer. The Logon Type will always be 3 or 8, both of which indicate a network logon. Logon type 3 is what you normally see. Logon Type 8 means network logon with clear text authentication.
One of the most common sources of logon events with logon type 3 is connections to shared folders or printers. But other over-the-network logons are classed as logon type 3 as well such as most logons to IIS. (The exception is basic authentication which is explained in Logon Type 8 below.)
What is NTLMSSP Type 3 event ID 540?
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. The Event ID 540 means the mydomainusername passed the NLM authentication of database server computer.
What is a 4 logon Type 4 event?
Logon type 4 events are usually just innocent scheduled tasks startups but a malicious user could try to subvert security by trying to guess the password of an account through scheduled tasks. Such attempts would generate a logon failure event where logon type is 4.
