""ET TROJAN Cuba Ransomware Related Domain in DNS Lookup (chatgpt4beta .com)""

SID: 2045120

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_20, deployment Perimeter, malware_family Cuba_Ransomware, performance_impact Low, signature_severity Major, tag Ransomware, updated_at 2023_04_20, reviewed_at 2023_08_21

Reference:

• Link

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: "|0c|chatgpt4beta|03|com|00|"

Within: 18

PCRE:

Special Options:

• nocase

• fast_pattern

source