""ET INFO URL Shortener Service Domain in DNS Lookup (s .id)""

SID: 2034852

Revision: 3

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2021_12_31, 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: "|01|s|02|id|00|"

Within: 7

PCRE:

Special Options:

  • nocase

  • fast_pattern

source