""ET TROJAN OrbitalBeam CnC Token Response""

SID: 2050009

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_01_11, deployment Perimeter, performance_impact Significant, confidence High, signature_severity Critical, updated_at 2024_01_11

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "Connection|3a 20|close|0d 0a|"

  • Value: "Content-Type|3a 20|text/plain|0d 0a|"

  • Value: "Token|3a 20|" Depth: 7

Within:

PCRE: "/^(?:[a-zA-Z0-9\x2f\x2b]{100,})/R"

Special Options:

  • http_header

  • http_header

  • file_data

  • fast_pattern

source