""ET TROJAN Fullz House Credit Card Skimmer JavaScript Inbound""

SID: 2030981

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_10_06, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, tag CardSkimmer, updated_at 2020_10_06

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "var SendFlag = []|3b 0a|function Base64Function(e) {|0d|" Depth: 49

  • Value: "|0a|function SendData(vals){|0a|"

  • Value: "var b = document.createElement|28 22|img|22 29 3b|b.width = |22|1px|22 3b|b.height = |22|1px|22 3b 20|b.id = img_id|3b|b.src = atob|28 22|"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

source