""ET TROJAN Cobalt Strike Beacon (WooCommerce Profile)""

SID: 2031881

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_03_09, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, tag c2, updated_at 2021_03_09, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".js"

  • Value: "Cookie|3a 20|woocommerce_cart_hash="

Within:

PCRE: "/^woocommerce_cart_hash=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/C"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source