""ET CURRENT_EVENTS Generic Korean Bank Credential Theft 2023-01-09""

SID: 2043247

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_01_09, deployment Perimeter, signature_severity Major, updated_at 2023_01_09

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: "/lobby/"

  • Value: "act=login&device_key=" Depth: 21

  • Value: "&device_id="

  • Value: "&device_pwd="

  • Value: ".kr/|0d 0a|"

Within:

PCRE: "/^Referer\x3a\x20[^\r\n]+.kr\//Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

source