""ET TROJAN DirectsX CnC Checkin""

SID: 2026916

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_02_15, deployment Perimeter, malware_family DirectsX, performance_impact Low, signature_severity Major, updated_at 2019_02_15

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: "AAAAAAAAAAAAAA"

  • Value: "X-MU-Session-ID|3a 20|"

Within:

PCRE: "/^\/(?:[A-Z0-9+/]{4})*(?:[A-Z0-9+/]{2}==|[A-Z0-9+/]{3}=|[A-Z0-9+/]{4})$/Ui"

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

source