Possible CONFICKER DNS Response
This is Trend Micro detection for packets passing through DNS network protocols that can be used as Command and Control Communication. This also indicates a malware infection. Below are some indicators of an infected host:
Attack Phase: Command and Control Communication
Protocol: DNS
Risk Type: MALWARE
Threat Type: Malicious Behavior
Confidence Level: High
Severity: Low(Outbound)| Low(Inbound)
DDI Default Rule Status: Disable
Event Class: Callback
Event Sub Class: DNS
Behavior Indicator: Callback
APT Related: YES
If scanning fails to detect a malware infection: