""ET TROJAN Observed GandCrab Payment Domain (gandcrab in DNS Lookup)""

SID: 2025496

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_16, deployment Perimeter, malware_family GandCrab, performance_impact Moderate, signature_severity Major, updated_at 2018_10_17

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: "|10|gandcrab"

Within: 7

PCRE: "/^[a-z0-9]{8}/R"

Special Options:

  • nocase

  • fast_pattern

source