""ET TROJAN ABUSE.CH Ransomware Domain Detected (TorrentLocker C2)""

SID: 2022721

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_04_09, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2019_08_28, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

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: "|09|feellgood|03|org|00|"

  • Value: "|00 01 00 01|"

Within: 4

PCRE: "/[a-z]{4,11}\x09feellgood\x03org\x00/"

Special Options:

  • fast_pattern

source