""ET INFO URI Shortening Service Domain in DNS Lookup (cli .re)""
SID: 2049840
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2023_12_26, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2023_12_26, reviewed_at 2024_03_25
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|cli|02|re|00|"
Within: 8
PCRE:
Special Options:
-
fast_pattern
-
nocase