""ET TROJAN Iron/Maktub Locker Ransomware CnC Checkin""

SID: 2025486

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 2018_04_12, deployment Perimeter, malware_family Iron_Locker, signature_severity Major, tag Ransomware, updated_at 2018_04_12, 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: "POST"

  • Value: "{|22|encry|22 3a 22|" Depth: 10

  • Value: "|22|randk|22 3a 22|"

  • Value: "|22|guid|22 3a 22|"

  • Value: "|22|start|22 3a 22|"

  • Value: "|22|market|22 3a 22|"

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

source