""ET TROJAN Higaisa CnC (ipconfig)""

SID: 2030265

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_06_08, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_11_12

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: "inter.php" Depth: 9

  • Value: "&test=" Depth: 6

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"

Within:

PCRE: "/inter.php$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_header

source