JPCERT/CC has released LogonTracer v1.5, the latest version of the event log analysis tool. While this tool was initially focused on post-incident investigation, we have received many requests for updates for the purpose of real-time log analysis. This time, we made some updates to enable such functions. This article will introduce the details of the update. Further information can be found at the following page: https://github.com/JPCERTCC/LogonTracer/releases/tag/v1.5.0 Support for Elasticsearch LogonTracer...
List of “LogonTracer”
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JPCERT/CC released a new version of LogonTracer, a tool to support event log analysis. https://github.com/JPCERTCC/LogonTracer/releases/tag/v1.4.0 This article introduces some of the new features of the tool. Dark mode Dark mode has been added to LogonTracer in this update, which appears on the menu bar. Figure 1 shows the LogonTracer screen when the dark mode is on. Figure 1: LogonTracer (dark mode) Please note that each colour represents the following item...
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In the recent article, we introduced the concept and the use of "LogonTracer", a tool to support Windows event log analysis. This article presents how unauthorised logon attempts can be identified using this tool. Please refer to the Wiki for LogonTracer installation. Points for Investigation LogonTracer serves as a tool to support the log analysis rather than to detect unauthorised logon itself. For an effective investigation using this tool, we...
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Hello again, this is Shusei Tomonaga from the Analysis Center. Event log analysis is a key element in security incident investigation. If a network is managed by Active Directory (hereafter, AD), can be identified by analysing AD event logs. For such investigation, it is quite difficult to conduct detailed analysis in AD event viewer; it is rather common to export the logs to text format or import them into SIEM/log...
