Splunk
SPLK-5002 · Question #80
The SOC notices over the course of an investigation there are numerous logs like the following: 14-Apr-2024 20:16:49.083 client 15.111.116.918*18345 UDP: query: reallybad.c2.com IN A response…
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Custom Content Development
Question
The SOC notices over the course of an investigation there are numerous logs like the following:
14-Apr-2024 20:16:49.083 client 15.111.116.918*18345 UDP: query:
reallybad.c2.com IN A response: SERVFAIL +E What detection should be created to alert on this behavior for the future?
Options
- AExcessive Endpoint Failures
- BExcessive Network Failures
- CExcessive Authentication Failures
- DExcessive DNS Failures
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Topics
#DNS detection#SERVFAIL#C2 communication#detection creation