""ET TROJAN DNS Query to Ducktail APT Domain (mountainseagroup3 .top)""

SID: 2051142

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2024_02_28, deployment Perimeter, signature_severity Major, tag Ducktail, updated_at 2024_02_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: "|11|mountainseagroup3|03|top|00|"

Within: 7

PCRE:

Special Options:

  • fast_pattern

  • nocase

source