From the Cortex® XDR™ management console you can view the sequence (or timeline) of events and alerts that are involved in any particular threat.
The Timeline provides a forensic timeline of the sequence of events, alerts, and informational BIOCs involved in an attack. While the Causality View of an alert surfaces related events and processes that Cortex XDR identifies as important or interesting, the Timeline displays all related events, alerts, and informational BIOCs over time.
Cortex XDR presents the Timeline in four parts:
CGO (and process instances that are part of the CGO)
Cortex XDR displays the Causality Group Owner (CGO) and the host on which the CGO ran in the top left of the timeline. The CGO is the parent process in the execution chain that Cortex XDR identified as being responsible for initiating the process tree. In the example above,
wscript.exeis the CGO and the host it ran on was
HOST488497. You can also click the blue corner of the CGO to view and filter related processes from the Timeline. This will add or remove the process and related events or alerts associated with the process from the Timeline.
By default, Cortex XDR displays a 24-hour period from the start of the investigation and displays the start and end time of the CGO at either end of the timescale. You can move the slide bar to the left or right to focus on any time-gap within the timescale. You can also use the time filters above the table to focus on set time periods.
Depending on the type of activities involved in the CI chain of events, the activity section can present any of the following three lanes across the page:
Related events, alerts, and informational BIOCs
Cortex XDR displays up to 100,000 alerts, BIOCs (triggered and informational), and events. Click on a node in the activity area of the Timeline to filter the results you see here. Similar to other pages in Cortex XDR, you can create filters to search for specific events.
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