""ET TROJAN OldGremlin/TA801 Domain in DNS Lookup (diadok-documentscdn .c688de .com)""

SID: 2055284

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:

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: "|13|diadok-documentscdn|06|c688de|03|com|00|"

Within: 32

PCRE:

Special Options:

  • fast_pattern

  • nocase

source