""ET INFO URL Shortening Service Domain in DNS Lookup (n9 .cl)""
SID: 2038606
Revision: 2
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2022_08_24, deployment Perimeter, signature_severity Informational, updated_at 2023_04_28
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|n9|02|cl|00|"
Within: 7
PCRE:
Special Options:
-
nocase
-
fast_pattern