TA0040 · IMPACT
Service Exhaustion Flood
Adversaries may target the different network services provided by systems to conduct a denial of service (DoS). Adversaries often target the availability of DNS and web services, however others have been targeted as well.
Detect it with
Detection of Endpoint DoS can sometimes be achieved before the effect is sufficient to cause significant impact to the availability of the service, but such response time typically requires very aggressive monitoring and responsiveness.
Why it matters on shift
Service Exhaustion Flood is one of the concrete ways adversaries achieve impact. Recognising it in telemetry lets you name the technique in your ticket and pivot to what came before and after.
What to look for next
After impact, the next tactic is usually Impact. Search your telemetry for the transition before closing the ticket.
Kill-chain context