Cryptocurrency miner attempted to boost CPU performance
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Goal
Detect cryptocurrency miners modifying CPU settings to boost performance.
Strategy
Some cryptocurrency miners use model-specific registers to boost performance, and therefore profit. Legitimate use of this feature is rare.
Triage and response
- Review the process tree to determine why MSRs were used. The activity is likely malicious if the parent process is not expected.
- Use host metrics to verify if cryptocurrency mining is taking place. This will be indicated by an increase in CPU usage.
- Follow your organization’s internal processes for investigating and remediating compromised systems.
Requires Agent version 7.35 or later