""ET INFO Observed DNS Query to Dynamic DNS Service Domain (duia .ro)""
SID: 2039614
Revision: 1
Class Type: misc-activity
Metadata: affected_product Any, attack_target Client_and_Server, created_at 2022_11_01, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2022_11_01
Reference:
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: 53
Flow:
Contents:
-
Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|04|duia|02|ro|00|"
Within: 7
PCRE:
Special Options:
-
nocase
-
fast_pattern