""ET INFO HTTP Request to Lockbit Ransomware Payment Domain""

SID: 2030166

Revision: 4

Class Type: bad-unknown

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_05_14, deployment Perimeter, malware_family LockBit, performance_impact Low, confidence High, signature_severity Minor, tag Ransomware, updated_at 2023_05_22, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "Host|3a 20|"

  • Value: "lockbit-decryptor.com|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

  • http_header

  • fast_pattern

source