""ET INFO Commonly Abused Domain in DNS Lookup (rf .gd)""
SID: 2048582
Revision: 1
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2023_10_17, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Informational, updated_at 2023_10_17, reviewed_at 2024_03_18
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: "|02|rf|02|gd|00|"
Within: 7
PCRE:
Special Options:
-
fast_pattern
-
nocase