DDI RULE 4381
May 12, 2020
DESCRIPTION NAME:
Possible Pseudorandom Subdomain Attack - DNS (Response)
CONFIDENCE LEVEL: LOW
SEVERITY INBOUND:
SEVERITY OUTBOUND:
Informational
Low
Medium
High
OVERVIEW
TECHNICAL DETAILS
Protocol: DNS
Risk Type: OTHERS
(Note: OTHERS can be network connections related to hacking attempts, exploits, connections done by grayware, or suspicious traffic.)
Threat Type: Suspicious Behavior
Confidence Level: Low
Severity: Low(Inbound)
DDI Default Rule Status: Enable
Event Class: Suspicious Traffic
Event Sub Class: DNS
Behavior Indicator: Suspicious Traffic
APT Related: NO
SOLUTION
Network Content Inspection Pattern Version: 1.14139.00
Network Content Inspection Pattern Release Date: 23 Apr 2020
Network Content Correlation Pattern Version: 1.14057.00
Network Content Correlation Pattern Release Date: 23 Apr 2020
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