""ET INFO URL Shortening Service Domain in DNS Lookup (shorturl .at)""
SID: 2050132
Revision: 1
Class Type: misc-activity
Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2024_01_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_01_17
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: "|08|shorturl|02|at|00|"
Within: 13
PCRE:
Special Options:
-
fast_pattern
-
nocase