""ET TROJAN OldGremlin/TA801 Domain in DNS Lookup (diadok .net)""

SID: 2055280

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2024_08_15, deployment Perimeter, malware_family OldGremlin, malware_family TA801, signature_severity Major, updated_at 2024_08_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

  • [Link](https://habr.com/ru/companies/f_a_c_c_t/articles/836264/)

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: "|06|diadok|03|net|00|"

Within: 12

PCRE:

Special Options:

  • fast_pattern

  • nocase

source