package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)EventCode\s*=\s*4625|Caller Process Name.*svchost.exe`)
var str = `02/11/2020 11:51:38 AM
LogName=Security
SourceName=Microsoft Windows security auditing.
EventCode=4625
EventType=0
Type=Information
ComputerName=MelissaNBT3RG22
TaskCategory=Logon
OpCode=Info
RecordNumber=40702
Keywords=Audit Failure
Message=An account failed to log on.
Subject:
Security ID: S-1-5-18
Account Name: MELISSANBT3RG22$
Account Domain: WORKGROUP
Logon ID: 0x3E7
Logon Type: 2
Account For Which Logon Failed:
Security ID: S-1-0-0
Account Name: MNesavich
Account Domain: MELISSANBT3RG22
Failure Information:
Failure Reason: Unknown user name or bad password.
Status: 0xC000006D
Sub Status: 0xC000006A
Process Information:
Caller Process ID: 0x848
Caller Process Name: C:\Windows\System32\svchost.exe
Network Information:
Workstation Name: MELISSANBT3RG22
Source Network Address: 127.0.0.1
Source Port: 0
Detailed Authentication Information:
Logon Process: User32
Authentication Package: Negotiate
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.`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/