""ET INFO DNS Query to .onion proxy Domain (onion.guide)""
SID: 2024662
Revision: 4
Class Type: misc-activity
Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2017_09_05, deployment Perimeter, performance_impact Low, signature_severity Informational, tag DNS_Onion_Query, updated_at 2023_06_23
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: "|05|onion|05|guide|00|"
Within: 7
PCRE:
Special Options:
- nocase