""ET TROJAN Symbiote CnC Domain in DNS Lookup (bancodobrasil .dev)""

SID: 2036952

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2022_06_09, deployment Perimeter, malware_family Symbiote, performance_impact Low, signature_severity Major, updated_at 2022_06_09

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: "|0d|bancodobrasil|03|dev|00|"

Within: 7

PCRE:

Special Options:

  • nocase

  • fast_pattern

source