""ET TROJAN SIDESHOW CnC Authentication Over HTTP""

SID: 2044600

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_03_14, deployment Perimeter, deployment SSLDecrypt, updated_at 2023_03_14

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "1" Depth: 1

  • Value: "=pAJ9dk4OVq85jxKWoNfw1AG2C&"

  • Value: "="

Within:

PCRE: "/[0-9a-f]{16}$/Ui"

Special Options:

  • http_uri

  • http_uri

  • fast_pattern

  • http_uri

source