""ET INFO URL Shortening Service Domain in DNS Lookup (zws .im)""
SID: 2046818
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2023_07_13, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2023_07_13, reviewed_at 2024_02_13
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|zws|02|im|00|"
Within: 8
PCRE:
Special Options:
-
fast_pattern
-
nocase