""ET TROJAN UPDATE Protocol Trojan Communication detected on http ports 2""

SID: 2014232

Revision: 4

Class Type: trojan-activity

Metadata: created_at 2012_02_16, updated_at 2012_09_19

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: "/update?id="

  • Value: "X-Status|3A|"

  • Value: "X-Size|3A|"

  • Value: "X-Sn|3A|"

Within:

PCRE:

Special Options:

  • nocase

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

  • fast_pattern

source