事件 ID 4625 的多个未知用户名登录尝试。有没有办法缩小来源?

事件 ID 4625 的多个未知用户名登录尝试。有没有办法缩小来源?

我们发现了大量来自不属于我们域的用户的登录尝试。以下是示例日志文件。我们无法缩小这些登录的来源范围。遗憾的是,没有显示任何计算机源。

还有其他方法可以缩小这些登录的来源吗?

ERROR EX 1

An account failed to log on.

Subject:    Security ID:        NULL SID    Account Name:       -   Account Domain:     -
    Logon ID:       0x0

Logon Type:         3

Account For Which Logon Failed:     Security ID:        NULL SID    Account
Name:       ITUSER  Account Domain:     

Failure Information:    Failure Reason:     Unknown user name or bad
password.   Status:         0xC000006D  Sub Status:     0xC0000064

Process Information:    Caller Process ID:  0x0     Caller Process Name:    -

Network Information:    Workstation Name:       Source Network Address: -
    Source Port:        -

Detailed Authentication Information:    Logon Process:      NtLmSsp 
    Authentication Package: NTLM    Transited Services: -   Package Name
(NTLM only):    -   Key Length:     0

This event is generated when a logon request fails. It is generated on
the computer where access was attempted.

The Subject fields indicate the account on the local system which
requested the logon. This is most commonly a service such as the
Server service, or a local process such as Winlogon.exe or
Services.exe.

The Logon Type field indicates the kind of logon that was requested.
The most common types are 2 (interactive) and 3 (network).

The Process Information fields indicate which account and process on
the system requested the logon.

The Network Information fields indicate where a remote logon request
originated. Workstation name is not always available and may be left
blank in some cases.

The authentication information fields provide detailed information
about this specific logon request.
    - Transited services indicate which intermediate services have participated in this logon request.
    - Package name indicates which sub-protocol was used among the NTLM protocols.
    - Key length indicates the length of the generated session key. This will be 0 if no session key was requested.

错误示例 2

An account failed to log on.

Subject:    Security ID:        NULL SID    Account Name:       -   Account Domain:     -
    Logon ID:       0x0

Logon Type:         3

Account For Which Logon Failed:     Security ID:        NULL SID    Account
Name:       LURRUTI     Account Domain:     

Failure Information:    Failure Reason:     Unknown user name or bad
password.   Status:         0xC000006D  Sub Status:     0xC0000064

Process Information:    Caller Process ID:  0x0     Caller Process Name:    -

Network Information:    Workstation Name:       Source Network Address: -
    Source Port:        -

Detailed Authentication Information:    Logon Process:      NtLmSsp 
    Authentication Package: NTLM    Transited Services: -   Package Name
(NTLM only):    -   Key Length:     0

This event is generated when a logon request fails. It is generated on
the computer where access was attempted.

The Subject fields indicate the account on the local system which
requested the logon. This is most commonly a service such as the
Server service, or a local process such as Winlogon.exe or
Services.exe.

The Logon Type field indicates the kind of logon that was requested.
The most common types are 2 (interactive) and 3 (network).

The Process Information fields indicate which account and process on
the system requested the logon.

The Network Information fields indicate where a remote logon request
originated. Workstation name is not always available and may be left
blank in some cases.

The authentication information fields provide detailed information
about this specific logon request.
    - Transited services indicate which intermediate services have participated in this logon request.
    - Package name indicates which sub-protocol was used among the NTLM protocols.
    - Key length indicates the length of the generated session key. This will be 0 if no session key was requested.

答案1

在域控制器上启用 Netlogon 调试日志记录将帮助您追踪来源。

https://support.microsoft.com/en-us/help/109626/enabling-debug-logging-for-the-netlogon-service

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