""ET INFO External IP Check Domain in DNS Lookup (api .ipapi .com)""
SID: 2047064
Revision: 1
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2023_08_07, deployment Perimeter, performance_impact Low, confidence Low, signature_severity Informational, updated_at 2023_08_07, reviewed_at 2024_03_05
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: "|03|api|05|ipapi|03|com|00|"
Within: 15
PCRE:
Special Options:
-
fast_pattern
-
nocase