""ET TROJAN OrbitalBeam CnC Response (Info)""

SID: 2050011

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: "Content-Length|3a 20|38|0d 0a|"

Within:

PCRE: "/^(?:(?:[a-z0-9]{8})\x2d(?:[a-z0-9]{4})\x2d(?:[a-z0-9]{4})\x2d(?:[a-z0-9]{4})\x2d(?:[a-z0-9]{12}))\x3a\d$/"

Special Options:

  • http_header

  • http_header

  • fast_pattern

  • http_header

  • file_data

source