""ET INFO External IP Address Lookup Service in DNS Lookup (invertexto .com)""
SID: 2046671
Revision: 1
Class Type: misc-activity
Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2023_06_28, deployment Perimeter, performance_impact Low, signature_severity Informational, tag External_IP_Lookup_Service, updated_at 2023_06_28, reviewed_at 2023_10_06
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: "|0a|invertexto|03|com|00|"
Within: 7
PCRE:
Special Options:
-
fast_pattern
-
nocase